- Registered on
- 22 Jul 2002 (23 years old)
- Registered to
- cz.cznet (ripe)
- Network status
- Active, Allocated under RIPE
- Network type
- Eyeball
- Prefixes Originated
- 67 IPv4, 5 IPv6
Upstreams
Rankings
| Prefix | Description | |
|---|---|---|
|
5.23.39.0/24 | Gi Group Holding S.p.A |
|
37.188.128.0/17 | O2 Czech Republic, a.s. |
|
|
80.188.0.0/17 | O2 Czech Republic, a.s. |
|
|
80.188.0.0/16 | O2 Czech Republic, a.s. |
|
|
80.188.40.0/24 | O2 Czech Republic, a.s. |
|
|
80.188.128.0/17 | O2 Czech Republic, a.s. |
|
|
80.188.222.0/24 | O2 Czech Republic, a.s. |
|
|
81.90.160.0/20 | O2 Czech Republic, a.s. |
|
|
81.90.168.0/24 | Elsat spol. s r.o. |
|
|
81.90.168.0/21 | O2 Czech Republic, a.s. |
|
|
81.90.170.0/24 | O2 Czech Republic, a.s. |
|
|
81.90.173.0/24 | O2 Czech Republic, a.s. |
|
|
83.69.32.0/19 | O2 Czech Republic, a.s. |
|
|
83.208.0.0/16 | O2 Czech Republic, a.s. |
|
|
83.208.0.0/18 | O2 Czech Republic, a.s. |
|
|
83.208.64.0/18 | O2 Czech Republic, a.s. |
|
|
83.208.128.0/19 | O2 Czech Republic, a.s. |
|
|
83.208.220.0/22 | O2 Czech Republic, a.s. |
|
|
85.70.0.0/16 | O2 Czech Republic, a.s. |
|
|
85.70.0.0/15 | O2 Czech Republic, a.s. |
|
|
85.70.0.0/17 | O2 Czech Republic, a.s. |
|
|
85.70.128.0/17 | O2 Czech Republic, a.s. |
|
|
85.71.0.0/16 | O2 Czech Republic, a.s. |
|
|
85.71.224.0/19 | O2 Czech Republic, a.s. |
|
|
85.160.0.0/15 | O2 Czech Republic, a.s. |
|
|
85.193.0.0/18 | O2 Czech Republic, a.s. |
|
|
88.83.160.0/19 | O2 Czech Republic, a.s. |
|
|
88.83.175.0/24 | O2 Czech Republic, a.s. |
|
|
88.100.0.0/15 | O2 Czech Republic, a.s. |
|
|
88.100.0.0/14 | O2 Czech Republic, a.s. |
|
|
88.102.0.0/16 | O2 Czech Republic, a.s. |
|
|
90.176.32.0/19 | O2 Czech Republic, a.s. |
|
|
90.176.64.0/18 | O2 Czech Republic, a.s. |
|
|
90.176.128.0/17 | O2 Czech Republic, a.s. |
|
|
90.176.170.0/24 | XDSL NETWORK-ADSL |
|
|
90.177.0.0/16 | O2 Czech Republic, a.s. |
|
|
90.178.0.0/15 | O2 Czech Republic, a.s. |
|
|
90.180.0.0/14 | O2 Czech Republic, a.s. |
|
|
90.181.0.0/16 | O2 Czech Republic, a.s. |
|
|
90.182.0.0/16 | O2 Czech Republic, a.s. |
|
|
90.182.108.0/24 | O2 Czech Republic, a.s. |
|
|
90.183.0.0/16 | O2 Czech Republic, a.s. |
|
91.191.64.0/18 | CETIN Networks, s.r.o. |
|
91.193.132.0/22 | Burza cennych papiru Praha, a.s. |
|
|
91.213.10.0/24 | CGI IT Czech Republic s.r.o. |
|
|
91.232.82.0/24 | ABIS Czech, a.s. |
|
|
92.243.192.0/19 | O2 Czech Republic, a.s. |
|
|
109.80.0.0/15 | O2 Czech Republic, a.s. |
|
|
109.81.112.0/20 | - |
|
|
109.81.160.0/20 | - |
|
|
160.218.0.0/16 | O2 Czech Republic, a.s. |
|
161.195.144.0/24 | Aramark Services, Inc. |
|
|
185.61.228.0/22 | O2 Czech Republic, a.s. |
|
|
185.143.112.0/22 | K-net Technical International Group, s.r.o. |
|
193.17.13.0/24 | Enterprise Services France SAS |
|
|
193.84.12.0/22 | Frenstat p.R. |
|
|
193.84.12.0/23 | Frenstat p.R. |
|
|
193.84.14.0/23 | Frenstat p.R. |
|
|
194.50.248.0/23 | Banka CREDITAS a.s |
|
|
194.165.47.0/24 | Ing. Jiri Orsag, CSc. |
|
|
194.228.0.0/16 | O2 Czech Republic, a.s. |
|
|
194.228.0.0/17 | O2 Czech Republic, a.s. |
|
|
194.228.72.0/22 | O2 Czech Republic, a.s. |
|
|
194.228.128.0/17 | O2 Czech Republic, a.s. |
|
|
195.5.186.0/24 | Agrofert JSC |
|
|
217.117.208.0/20 | O2 Czech Republic, a.s. |
|
|
217.194.160.0/20 | O2 Czech Republic, a.s. |
|
|
2001:67c:dd4::/48 | ITIXO s.r.o. |
|
|
2001:41d8::/32 | O2 Czech Republic, a.s. |
|
|
2a00:1028::/29 | O2 Czech Republic, a.s. |
|
|
2a00:1028::/32 | O2 Czech Republic, a.s. |
|
|
2a02:9b8::/31 | O2 Czech Republic, a.s. |
Network Policy
Click here to learn more about what this graph means and what makes up a network policy
Chart Display Options
Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✔ |
|
|
AS174 | Cogent Communications, LLC | ✔ | ✔ |
|
|
AS39392 | SH.cz s.r.o. | ✔ | ✘ |
|
|
AS199490 | INTERCONNECT s.r.o. | ✔ | ✘ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS1299 | Arelion (fka. Telia Carrier) | ✔ | ✔ |
|
AS16246 | O2 Czech Republic, a.s. | ✔ | ✔ |
|
AS174 | Cogent Communications, LLC | ✔ | ✔ |
|
AS42908 | O2 Czech Republic, a.s. | ✔ | ✔ |
|
AS6939 | Hurricane Electric LLC | ✔ | ✔ |
|
AS6461 | Zayo Bandwidth | ✔ | ✔ |
|
AS211274 | Quadruple a.s. | ✔ | ✔ |
|
AS43037 | Seznam.cz, a.s. | ✔ | ✔ |
|
AS206613 | Tipsport.net a.s. | ✔ | ✔ |
|
AS215711 | The Ministry of Agriculture of the Czech Republic | ✔ | ✔ |
|
AS35096 | Alef Nula a.s. | ✔ | ✘ |
|
AS197353 | NN Management Services, s.r.o. | ✔ | ✘ |
|
AS203411 | FORTUNA GAME a.s. | ✔ | ✘ |
|
AS28952 | O2 Business Services, a.s | ✔ | ✔ |
 |
AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
|
AS208950 | Ezpada s.r.o | ✔ | ✘ |
|
AS8218 | Zayo Europe | ✔ | ✔ |
 |
AS205233 | KBC GLOBAL SERVICES NV | ✔ | ✘ |
 |
AS33891 | Core-Backbone GmbH | ✔ | ✔ |
|
AS24940 | Hetzner Online GmbH | ✔ | ✔ |
|
AS208712 | CENDIS, s.p. | ✔ | ✔ |
|
AS198282 | CAH Building s.r.o. | ✔ | ✔ |
|
AS38952 | MAFRA, a.s. | ✔ | ✘ |
|
AS204372 | PPF banka a.s. | ✔ | ✘ |
|
AS208906 | SYNOT ICT Services, a.s. | ✔ | ✔ |
|
AS49580 | Monet +, a.s. | ✔ | ✘ |
|
AS197920 | SKODA ICT s.r.o. | ✔ | ✘ |
|
AS198605 | AVAST Software s.r.o. | ✔ | ✔ |
|
AS43866 | Altron a.s. | ✔ | ✘ |
|
AS15380 | Air Navigation Services of the Czech Republic, state ... | ✔ | ✔ |
|
AS43757 | ICZ a.s. | ✔ | ✔ |
|
AS204172 | TTC TELEKOMUNIKACE s.r.o. | ✔ | ✘ |
|
AS25321 | Brink's Cash Solutions (CZ), a.s. | ✔ | ✘ |
|
AS39453 | Ustav zdravotnickych informaci a statistiky Ceske republiky | ✔ | ✘ |
|
AS206683 | Moravskoslezske inovacni centrum Ostrava, a.s. | ✔ | ✘ |
 |
AS13105 | INFORM LLC | ✔ | ✘ |
|
AS21241 | Global Payments Europe, s.r.o. | ✔ | ✘ |
|
AS199059 | Maurice Ward & Co., s.r.o. | ✔ | ✘ |
|
AS25238 | MONETA Money Bank, a.s. | ✔ | ✔ |
|
AS204907 | Air Bank a.s. | ✔ | ✘ |
 |
AS49544 | i3D.net B.V | ✔ | ✔ |
|
AS201163 | Komercni banka, a.s. | ✔ | ✘ |
 |
AS8220 | COLT | ✔ | ✔ |
 |
AS1764 | Next Layer Telecommunications | ✔ | ✔ |
|
AS62083 | Fio banka, a.s. | ✔ | ✘ |
|
AS21942 | ERR_AS_NAME_NOT_FOUND | ✔ | ✘ |
|
AS60068 | Datacamp Limited (CDN77 / DataPacket) | ✔ | ✔ |
|
AS59747 | NIX.CZ z.s.p.o. | ✔ | ✔ |
|
AS4455 | IX Reach Ltd | ✔ | ✘ |
|
AS50698 | TETA s.r.o. | ✔ | ✔ |
|
AS40994 | Alwyzon (Hohl IT) | ✔ | ✔ |
 |
AS34170 | Aztelekom LLC | ✔ | ✔ |
|
AS49121 | Infinity Telecom, s.r.o. | ✔ | ✔ |
|
AS32590 | Valve Corporation | ✔ | ✔ |
 |
AS199524 | Gcore S.A. | ✔ | ✔ |
|
AS21430 | WIA spol. s.r.o. | ✔ | ✘ |
|
AS2852 | CESNET z.s.p.o. | ✔ | ✘ |
|
AS39392 | SH.cz s.r.o. | ✔ | ✘ |
 |
AS14840 | BR.DIGITAL | ✘ | ✔ |
|
AS2571 | DHL Information Services (Europe) s.r.o | ✔ | ✘ |
|
AS8801 | Rocket Fibre Ltd | ✔ | ✔ |
 |
AS24482 | SG.GS | ✔ | ✔ |
|
AS42473 | Anexia Cloud Solutions GmbH | ✔ | ✔ |
|
AS36236 | NetActuate, Inc | ✔ | ✔ |
|
AS1820 | WNET TELECOM USA Corp. | ✔ | ✔ |
|
AS199490 | INTERCONNECT s.r.o. | ✔ | ✘ |
|
AS15169 | Google LLC | ✔ | ✔ |
|
AS6663 | Türk Telekom International | ✔ | ✔ |
 |
AS21215 | UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd | ✔ | ✘ |
|
AS198101 | Kooperativa pojistovna, a.s., Vienna Insurance Group | ✔ | ✔ |
|
AS47927 | WIFIWEB s.r.l. | ✘ | ✔ |
|
AS22356 | Durand do Brasil Ltda | ✘ | ✔ |
|
AS263444 | Open X Tecnologia Ltda | ✘ | ✔ |
|
AS48451 | Prazska energetika, a.s. | ✔ | ✔ |
|
AS1239 | Sprint Wireline (Cogent) | ✔ | ✘ |
|
AS51184 | Fonira Telekom GmbH | ✔ | ✔ |
|
AS29208 | Quantcom, a.s. | ✔ | ✘ |
|
AS6855 | Slovak Telekom, a.s. | ✔ | ✘ |
Downstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
|
AS16246 | O2 Czech Republic, a.s. | ✔ | ✔ |
|
|
AS42908 | O2 Czech Republic, a.s. | ✔ | ✔ |
|
|
AS43037 | Seznam.cz, a.s. | ✔ | ✔ |
|
|
AS211274 | Quadruple a.s. | ✔ | ✔ |
|
|
AS206613 | Tipsport.net a.s. | ✔ | ✔ |
|
|
AS28952 | O2 Business Services, a.s | ✔ | ✔ |
|
|
AS35096 | Alef Nula a.s. | ✔ | ✘ |
|
|
AS203411 | FORTUNA GAME a.s. | ✔ | ✘ |
|
|
AS197353 | NN Management Services, s.r.o. | ✔ | ✘ |
|
|
AS215711 | The Ministry of Agriculture of the Czech Republic | ✔ | ✔ |
|
|
AS208950 | Ezpada s.r.o | ✔ | ✘ |
|
|
AS205233 | KBC GLOBAL SERVICES NV | ✔ | ✘ |
|
|
AS204372 | PPF banka a.s. | ✔ | ✘ |
|
|
AS38952 | MAFRA, a.s. | ✔ | ✘ |
|
|
AS198282 | CAH Building s.r.o. | ✔ | ✔ |
|
|
AS208712 | CENDIS, s.p. | ✔ | ✔ |
|
|
AS208906 | SYNOT ICT Services, a.s. | ✔ | ✔ |
|
|
AS197920 | SKODA ICT s.r.o. | ✔ | ✘ |
|
|
AS49580 | Monet +, a.s. | ✔ | ✘ |
|
|
AS198605 | AVAST Software s.r.o. | ✔ | ✔ |
|
|
AS43866 | Altron a.s. | ✔ | ✘ |
|
|
AS13105 | INFORM LLC | ✔ | ✘ |
|
|
AS21241 | Global Payments Europe, s.r.o. | ✔ | ✘ |
|
|
AS206683 | Moravskoslezske inovacni centrum Ostrava, a.s. | ✔ | ✘ |
|
|
AS199059 | Maurice Ward & Co., s.r.o. | ✔ | ✘ |
|
|
AS39453 | Ustav zdravotnickych informaci a statistiky Ceske republiky | ✔ | ✘ |
|
|
AS25238 | MONETA Money Bank, a.s. | ✔ | ✔ |
|
|
AS204907 | Air Bank a.s. | ✔ | ✘ |
|
|
AS25321 | Brink's Cash Solutions (CZ), a.s. | ✔ | ✘ |
|
|
AS15380 | Air Navigation Services of the Czech Republic, state ... | ✔ | ✔ |
|
|
AS204172 | TTC TELEKOMUNIKACE s.r.o. | ✔ | ✘ |
|
|
AS201163 | Komercni banka, a.s. | ✔ | ✘ |
|
|
AS62083 | Fio banka, a.s. | ✔ | ✘ |
|
|
AS59747 | NIX.CZ z.s.p.o. | ✔ | ✔ |
|
|
AS21942 | ERR_AS_NAME_NOT_FOUND | ✔ | ✘ |
|
|
AS2571 | DHL Information Services (Europe) s.r.o | ✔ | ✘ |
|
|
AS43757 | ICZ a.s. | ✔ | ✔ |
aut-num: AS5610 as-name: O2-CZECH-REPUBLIC remarks: Za Brumlovkou 2 remarks: Prague 4 remarks: Czech Republic remarks: ================================================== remarks: in case of routing or peering problem remarks: please contact router@o2.cz remarks: Abuse contact abuse@o2.cz remarks: ================================================== remarks: ================== UP-STREAM PROVIDERS ================== remarks: = remarks: == UPSTREAM PROVIDER - Telia == import: from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0}; export: to AS1299 announce AS-CTIOL AND NOT {0.0.0.0/0}; remarks: = remarks: == UPSTREAM PROVIDER - Cgent == import: from AS174 action pref = 200; accept ANY AND NOT {0.0.0.0/0}; export: to AS174 announce AS-CTIOL AND {194.228.8.0/23} AND NOT {0.0.0.0/0}; remarks: = remarks: ============ IPv6 UP-STREAM PROVIDERS ============ remarks: == UPSTREAM PROVIDER - Telia == remarks: = mp-import: afi ipv6.unicast from AS1299 action pref = 200; accept ANY AND NOT {0.0.0.0/0}; mp-export: afi ipv6.unicast to AS1299 2001:2000:3080:2460::1 at 2001:2000:3080:2460::2 announce AS-CTIOL AND NOT {0.0.0.0/0}; remarks: = remarks: == UPSTREAM PROVIDER - Cogent == remarks: = mp-import: afi ipv6.unicast from AS174 action pref = 200; accept ANY AND NOT {0.0.0.0/0}; mp-export: afi ipv6.unicast to AS174 2001:2000:3080:129::1 at 2001:2000:3080:129::2 announce AS-CTIOL AND NOT {0.0.0.0/0}; remarks: ========================= NIX PEERING =================== import: from AS-TO2-NIX-PEER action pref = 100;accept PeerAS export: to AS-TO2-NIX-PEER announce AS-CTIOL remarks: = remarks: ===================== IPv6 NIX PEERING =============== mp-import: afi ipv6.unicast from AS-TO2-NIX-PEER action pref = 100;accept PeerAS mp-export: afi ipv6.unicast to AS-TO2-NIX-PEER announce AS-CTIOL remarks: = remarks: ========================= NIX SECURE PEERING =================== import: from AS112 action pref = 100;accept ANY import: from AS2852 action pref = 100;accept ANY import: from AS6881 action pref = 100;accept ANY import: from AS25192 action pref = 100;accept ANY import: from AS25234 action pref = 100;accept ANY import: from AS29208 action pref = 100;accept ANY import: from AS43037 action pref = 100;accept ANY import: from AS47200 action pref = 100;accept ANY remarks: = export: to AS112 announce AS-O2CZSEC export: to AS2852 announce AS-O2CZSEC export: to AS6881 announce AS-O2CZSEC export: to AS25192 announce AS-O2CZSEC export: to AS25234 announce AS-O2CZSEC export: to AS29208 announce AS-O2CZSEC export: to AS43037 announce AS-O2CZSEC export: to AS47200 announce AS-O2CZSEC remarks: = remarks: ===================== IPv6 NIX SECURE PEERING =============== mp-import: afi ipv6.unicast from AS112 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS2852 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS6881 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS25192 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS25234 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS29208 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS43037 action pref = 100;accept ANY mp-import: afi ipv6.unicast from AS47200 action pref = 100;accept ANY remarks: = mp-export: afi ipv6.unicast to AS112 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS2852 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS6881 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS25192 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS25234 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS29208 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS43037 announce AS-O2CZSEC mp-export: afi ipv6.unicast to AS47200 announce AS-O2CZSEC remarks: = remarks: = remarks: ============ IPv6 Peering ============ remarks: = remarks: = remarks: == Mafra == mp-import: afi ipv6.unicast from AS38952 accept AS38952 mp-export: afi ipv6.unicast to AS38952 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == GE Money Bank == mp-import: afi ipv6.unicast from AS25238 accept AS25238 mp-export: afi ipv6.unicast to AS25238 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == Internet Home (LOSAN) == mp-import: afi ipv6.unicast from AS41824 accept AS41824 mp-export: afi ipv6.unicast to AS41824 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == eHAMnet, s.r.o. == mp-import: afi ipv6.unicast from AS44712 accept AS44712 mp-export: afi ipv6.unicast to AS44712 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == Autocont == mp-import: afi ipv6.unicast from AS197376 accept AS197376 mp-export: afi ipv6.unicast to AS197376 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == CUZK == mp-import: afi ipv6.unicast from AS28892 accept AS28892 mp-export: afi ipv6.unicast to AS28892 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == DataSpring s.r.o. == mp-import: afi ipv6.unicast from AS201730 accept AS201730 mp-export: afi ipv6.unicast to AS201730 announce ANY AND NOT {0.0.0.0/0}; remarks: = remarks: == Prazska plynarenska == mp-import: afi ipv6.unicast from AS62102 accept AS62102 mp-export: afi ipv6.unicast to AS62102 announce {0.0.0.0/0}; remarks: = remarks: == XLNET s.r.o. == mp-import: afi ipv6.unicast from AS57560 accept AS57560 mp-export: afi ipv6.unicast to AS57560 announce ANY remarks: = remarks: == Jan Ryznar == mp-import: afi ipv6.unicast from AS203645 accept AS203645 mp-export: afi ipv6.unicast to AS203645 announce ANY remarks: = remarks: == DHL == mp-import: afi ipv6.unicast from AS2571 accept AS2571 mp-export: afi ipv6.unicast to AS2571 announce ANY remarks: = remarks: == TS Bohemia == mp-import: afi ipv6.unicast from AS205724 accept AS205724 mp-export: afi ipv6.unicast to AS205724 announce ANY remarks: = remarks: =================== DIRECT PEERING PARTNERS ============= import: from AS24971 accept AS-MASTERCZ-CZNIX export: to AS24971 announce AS-CTIOL remarks: = remarks: == CETIN == import: from AS28725 accept AS28725 export: to AS28725 announce ANY remarks: = import: from AS39392 accept AS-SUPERNETWORK export: to AS39392 announce AS-CTIOL remarks: = remarks: == Google == import: from AS15169 accept AS15169 export: to AS15169 announce AS-CTIOL mp-import: afi ipv6.unicast from AS15169 accept AS15169 mp-export: afi ipv6.unicast to AS15169 announce AS-CTIOL remarks: = remarks: ==== CZECH CUSTOMERS WITH INTERNATIONAL CONNECTIVITY ==== remarks: ======== remarks: IH-LOSAN import: from AS41824 accept AS-LOSAN export: to AS41824 announce ANY; remarks: = remarks: ==================== CZECH CUSTOMERS ==================== remarks: ======== remarks: Maurice Ward & Co., s.r.o. import: from AS199059 accept AS199059 export: to AS199059 announce {0.0.0.0/0} remarks: ======== remarks: ARIBA import: from AS131306 accept AS131306 export: to AS131306 announce {0.0.0.0/0}; remarks: ======== remarks: G4S Cash Solutions (CZ), a.s. import: from AS42969 accept AS42969 export: to AS42969 announce {0.0.0.0/0}; remarks: ======== remarks: SYCHROVNET import: from AS47114 accept AS47114 export: to AS47114 announce {0.0.0.0/0}; import: from AS198813 accept AS198813 export: to AS198813 announce {0.0.0.0/0}; remarks: ======== remarks: Rudolf NET import: from AS197393 accept AS197393 export: to AS197393 announce {0.0.0.0/0}; remarks: ======== remarks: GE Capital (Czech) Holding import: from AS25238 accept AS25238 export: to AS25238 announce {0.0.0.0/0} and ANY; remarks: ======== remarks: MUZO import: from AS21241 accept AS21241 export: to AS21241 announce ANY; remarks: ======== remarks: Seznam import: from AS43037 accept AS43037 export: to AS43037 announce ANY; remarks: ======== remarks: DHL import: from AS2571 action pref = 800; accept AS2571 export: to AS2571 announce ANY; remarks: ======== remarks: Mafra import: from AS38952 action pref = 850; accept AS38952 export: to AS38952 announce ANY; remarks: ======== remarks: VLP import: from AS50695 action pref = 850; accept AS50695 export: to AS50695 announce ANY AND {0.0.0.0/0}; remarks: ======== remarks: Air Navigation Services of the Czech Republic import: from AS15380 action pref = 830; accept AS15380 export: to AS15380 announce ANY; remarks: ======== remarks: GROUP 4 Secure Solutions a.s import: from AS25321 action pref = 830; accept AS25321 export: to AS25321 announce {0.0.0.0/0}; remarks: ======== remarks: GE Capital (Czech) Holdings import: from AS25238 action pref = 80; accept AS25238 export: to AS25238 announce ANY; remarks: ======== remarks: CZ.CTNET Autonomous Sytem import: from AS20884 action pref = 80; accept AS-CTNET export: to AS20884 announce ANY; remarks: ======== remarks: Logica import: from AS48405 action pref = 80; accept AS48405 export: to AS48405 announce ANY; remarks: ======== remarks: LUKOIL import: from AS13105 action pref = 80; accept AS13105 export: to AS13105 announce ANY; remarks: ======== remarks: INTACTO GAMES a.s. import: from AS51134 action pref = 80; accept AS51134 export: to AS51134 announce ANY AND {0.0.0.0/0}; remarks: ======== remarks: OMEGA tech s.r.o. import: from AS196845 action pref = 80; accept AS196845 export: to AS196845 announce ANY; remarks: ======== remarks: FDLNet import: from AS198002 action pref = 850; accept AS198002 export: to AS198002 announce ANY; remarks: ======== remarks: Autocont import: from AS197376 action pref = 850; accept AS197376 export: to AS197376 announce ANY; remarks: ======== remarks: BAJA Group s.r.o. import: from AS57564 action pref = 850; accept AS57564 export: to AS57564 announce ANY; remarks: ======== remarks: Cesky urad zememericky a katastralni import: from AS28892 action pref = 850; accept AS28892 export: to AS28892 announce ANY; remarks: ======== remarks: VITKOVICE IT SOLUTIONS a.s. import: from AS56973 action pref = 850; accept AS56973 export: to AS56973 announce {0.0.0.0/0}; remarks: ======== remarks: Monet import: from AS49580 action pref = 850; accept AS49580 export: to AS49580 announce ANY; remarks: ======== remarks: Hela PC import: from AS197879 action pref = 850; accept AS197879 export: to AS197879 announce ANY; remarks: ======== remarks: Ceskomoravska rozvojova a zarucni banka import: from AS56891 action pref = 850; accept AS56891 export: to AS56891 announce {0.0.0.0/0}; remarks: ======== remarks: ING Bank import: from AS21205 action pref = 850; accept AS21205 export: to AS21205 announce ANY; remarks: ======== remarks: INTERNETHOME (Mirovka.net) import: from AS56442 action pref = 850; accept AS56442 export: to AS56442 announce {0.0.0.0/0}; remarks: ======== remarks: Martin Vicenik import: from AS34955 action pref = 850; accept AS34955 export: to AS34955 announce ANY; remarks: ======== remarks: ING POJISTOVNA import: from AS197353 action pref = 850; accept AS197353 export: to AS197353 announce ANY; remarks: ======== remarks: CCS Ceska spolecnost pro platebni karty s.r.o import: from AS198103 action pref = 850; accept AS198103 export: to AS198103 announce ANY; remarks: ======== remarks: SYCHROVNET import: from AS47114 action pref = 850; accept AS47114 export: to AS47114 announce {0.0.0.0/0}; remarks: ======== remarks: ALTRON import: from AS43866 action pref = 850; accept AS43866 export: to AS43866 announce ANY; remarks: ======== remarks: AVX CZ import: from AS50975 action pref = 850; accept AS50975 export: to AS50975 announce ANY; remarks: ======== remarks: K2 connect solution s.r.o. import: from AS197083 action pref = 850; accept AS197083 export: to AS197083 announce ANY; remarks: ======== remarks: GOLDWARE CZ, s.r.o. import: from AS198657 action pref = 850; accept AS198657 export: to AS198657 announce ANY; remarks: ======== remarks: eHAMnet, s.r.o. import: from AS44712 action pref = 850; accept AS44712 export: to AS44712 announce ANY; remarks: ======== remarks: Internethome. import: from AS51154 action pref = 850; accept AS-IHOLM AND AS57560 export: to AS51154 announce ANY remarks: ======== remarks: DataSpring s.r.o. import: from AS201730 action pref = 850; accept AS201730 export: to AS201730 announce ANY remarks: ======== remarks: Prazska plynarenska import: from AS62102 action pref = 850; accept AS62102 export: to AS62102 announce {0.0.0.0/0}; remarks: ======== remarks: XLNET s.r.o. import: from AS57560 action pref = 850; accept AS57560 export: to AS57560 announce ANY remarks: ======== remarks: ON-SEMICONDUCTOR-INC import: from AS21942 action pref = 800; accept AS21942 export: to AS21942 announce ANY; remarks: ======== remarks: Komercni banka, a. s. import: from AS201163 action pref = 800; accept AS201163 export: to AS201163 announce ANY; remarks: ======== remarks: FIO banka, a. s. import: from AS62083 action pref = 800; accept AS62083 export: to AS62083 announce {0.0.0.0/0}; remarks: ======== remarks: AVG - Avast import: from AS206334 action pref = 800; accept AS206334 export: to AS206334 announce ANY; remarks: ======== remarks: SAP SE PRG import: from AS203080 action pref = 800; accept AS203080 export: to AS203080 announce {0.0.0.0/0}; remarks: ======== remarks: TS Bohemia import: from AS205724 action pref = 800; accept AS205724 export: to AS205724 announce ANY; remarks: ======== remarks: CSOB import: from AS205233 action pref = 800; accept AS205233 export: to AS205233 announce ANY; remarks: ======== remarks: TTC TELEKOMUNIKACE s.r.o. import: from AS204172 action pref = 800; accept AS204172 export: to AS204172 announce ANY; remarks: ======== remarks: MSIC-AS import: from AS206683 action pref = 800; accept AS206683 export: to AS206683 announce ANY; remarks: ======== remarks: ==================== CZECH CUSTOMERS IPv6==================== remarks: == CSOB == remarks: = mp-import: afi ipv6.unicast from AS205233 action pref = 200; accept ANY AND NOT {0.0.0.0/0}; mp-export: afi ipv6.unicast to AS205233 announce AS-CTIOL AND NOT {0.0.0.0/0}; remarks: ==================== END ==================== org: ORG-STaN1-RIPE admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: AS5610-MTN created: 2002-07-22T13:51:41Z last-modified: 2024-06-12T11:51:47Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** organisation: ORG-STaN1-RIPE org-name: O2 Czech Republic, a.s. country: CZ org-type: LIR address: Dummy address for ORG-STaN1-RIPE # Email removed, Log into bgp.tools to see whois emails abuse-c: AR14410-RIPE mnt-ref: RIPE-NCC-HM-MNT mnt-ref: AS5610-MTN mnt-by: RIPE-NCC-HM-MNT mnt-by: AS5610-MTN created: 2004-04-17T11:04:17Z last-modified: 2020-12-16T12:31:56Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************Last Update: 2026-03-11T03:23:47Z UTC
Member of the following AS-SETs
| - | Member | ASN Count |
|---|---|---|
| RIPE | as-seabonecusteu | 76220 |
| RIPE | as24971:as-mai-nix-peer | 88460 |
| RIPE | as-seabone-v6 | 71200 |
| RIPE | as5578:as-sixpeers | 51 |
| RIPE | as8251:as-nix-peerings | 49 |
| RIPE | as42000:as-nixcz-peerings | 80 |
| RIPE | as-ctiol | 218 |
| LEVEL3 | as-level3-origins-eu | 0 |
| RIPE | as12570:as-nix-peers | 13 |
| RIPE | as-o2czsec | 93 |
- PeeringDB AS-SET:
- RIPE::AS-CTIOL
- Suggested Prefix Limits
Internet Exchange Points
| Name | IPv4 | IPv6 | Link Speed | |
|---|---|---|---|---|
  |
NIX.SK | 194.30.187.161 | 2001:7f8:91::2f:2 | n/a |
|
NIX.CZ | 91.210.16.161 | 2001:7f8:14::29:2 | n/a |