- Registered on
- 22 Oct 2001 (24 years old)
- Registered to
- ch.cern (ripe)
- Network status
- Active, Allocated under RIPE
- Network type
- Content
- Prefixes Originated
- 20 IPv4, 2 IPv6
Upstreams
Rankings
| Prefix | Description | |
|---|---|---|
|
192.16.155.0/24 | CH-1211 Geneva 23, Switzerland |
|
|
192.16.160.0/22 | CH-1211 Geneva 23, Switzerland |
|
|
192.65.183.0/24 | CH-1211 Geneva 23 - Switzerland |
|
|
192.91.236.0/22 | CH-1211 Geneva 23, Switzerland |
|
|
192.91.246.0/24 | CH-1211 Geneva 23, Switzerland |
|
|
128.141.0.0/16 | CERN Campus dynamic addresses |
|
128.142.0.0/16 | RIPE Network Coordination Centre |
|
|
137.138.0.0/16 | CERN Campus Network |
|
|
185.249.56.0/22 | CERN - European Organization for Nuclear Research |
|
|
188.184.0.0/16 | - |
|
|
188.185.0.0/16 | - |
|
|
192.16.156.0/22 | CH-1211 Geneva 23, Switzerland |
|
|
192.16.164.0/23 | RIPE Network Coordination Centre |
|
|
192.16.166.0/24 | RIPE Network Coordination Centre |
|
|
192.65.184.0/21 | RIPE Network Coordination Centre |
|
|
192.65.192.0/22 | RIPE Network Coordination Centre |
|
|
192.65.196.0/23 | RIPE Network Coordination Centre |
|
|
192.91.240.0/22 | RIPE Network Coordination Centre |
|
|
192.91.244.0/23 | CH-1211 Geneva 23, Switzerland |
|
|
194.12.128.0/18 | CH-1211 Geneva 23, Switzerland |
|
|
2001:1458::/32 | CERN - European Organization for Nuclear Research |
|
|
2001:1459::/32 | CERN - European Organization for Nuclear Research |
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 | |
|---|---|---|---|---|
|
AS174 | Cogent Communications, LLC | ✔ | ✔ |
|
|
AS29222 | Infomaniak Network SA | ✔ | ✔ |
|
|
AS25091 | IP-Max SA | ✔ | ✔ |
|
|
AS6730 | Sunrise GmbH | ✔ | ✔ |
|
|
AS21320 | GEANT Vereniging | ✔ | ✔ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS25091 | IP-Max SA | ✔ | ✔ |
|
AS29222 | Infomaniak Network SA | ✔ | ✔ |
|
AS21320 | GEANT Vereniging | ✔ | ✔ |
|
AS174 | Cogent Communications, LLC | ✔ | ✔ |
|
AS20940 | Akamai International B.V. | ✔ | ✔ |
 |
AS48751 | United Nations Logistics Base | ✔ | ✘ |
|
AS28810 | World Health Organization (WHO) | ✔ | ✘ |
|
AS6939 | Hurricane Electric LLC | ✔ | ✘ |
|
AS21449 | Etat de Genève (Canton of Geneva) | ✔ | ✔ |
|
AS6730 | Sunrise GmbH | ✔ | ✔ |
|
AS12654 | RIPE NCC - RIS | ✔ | ✔ |
|
AS20965 | GEANT Vereniging | ✔ | ✔ |
 |
AS2907 | Science Information Network | ✔ | ✘ |
|
AS25152 | RIPE NCC - K-root | ✔ | ✔ |
|
AS293 | ESnet | ✔ | ✔ |
 |
AS6509 | CANARIE Inc | ✔ | ✔ |
|
AS13030 | Init7 (Switzerland) Ltd. | ✔ | ✔ |
|
AS559 | SWITCH | ✔ | ✔ |
|
AS1103 | SURF B.V. | ✔ | ✔ |
 |
AS2027 | MilkyWan | ✔ | ✔ |
|
AS15576 | NTS workspace AG | ✔ | ✔ |
|
AS30781 | Free Pro SAS | ✘ | ✔ |
 |
AS4455 | IX Reach Ltd | ✔ | ✘ |
Downstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
|
AS20940 | Akamai International B.V. | ✔ | ✔ |
|
|
AS21449 | Etat de Genève (Canton of Geneva) | ✔ | ✔ |
|
|
AS48751 | United Nations Logistics Base | ✔ | ✘ |
|
|
AS12654 | RIPE NCC - RIS | ✘ | ✔ |
|
|
AS28810 | World Health Organization (WHO) | ✔ | ✘ |
|
|
AS25152 | RIPE NCC - K-root | ✔ | ✔ |
aut-num: AS513 as-name: CERN remarks: import: from AS174 accept ANY import: from AS293 accept ANY import: from AS297 accept ANY import: from AS559 accept ANY import: from AS1103 accept AS1103 import: from AS1297 accept ANY import: from AS2200 accept ANY import: from AS2603 accept ANY import: from AS2697 accept AS2697 import: from AS3303 accept AS-SWCMGLOBAL import: from AS6509 accept ANY import: from AS6730 accept ANY import: from AS6830 accept AS-AORTA import: from AS6830 accept ANY import: from AS6853 accept AS-EQUANT-SOUTHEUR import: from AS6939 accept AS6939 import: from AS8674 accept AS-NETNOD-ANYCAST import: from AS9885 accept AS9885 import: from AS10764 accept ANY import: from AS11344 accept AS11344 import: from AS11537 accept ANY import: from AS12333 accept AS-DFI import: from AS12350 accept AS-VTX import: from AS12654 accept AS12654 import: from AS13030 accept AS13030 import: from AS13238 accept AS13238 import: from AS15169 accept AS-GOOGLE import: from AS15547 accept AS15547 import: from AS17579 accept AS17579 import: from AS20932 accept AS-IP-MAN import: from AS20965 accept ANY import: from AS21320 accept ANY import: from AS21357 accept not any import: from AS22335 accept ANY import: from AS24167 accept AS24167 import: from AS24904 accept AS24904 import: from AS25091 accept ANY import: from AS25152 accept AS25152 import: from AS28810 accept AS28810 import: from AS29222 accept AS29222:AS-INFOMANIAK import: from AS30781 accept AS-JAGUAR import: from AS32361 accept AS32361 import: from AS33845 accept AS-SWISSGOV import: from AS43115 accept AS43115 import: from AS43142 accept AS-ADELINOVIUS import: from AS48751 accept AS48751 import: from AS57859 accept ANY import: from AS59624 accept AS59624 remarks: export: to AS174 announce AS-CERNEXT export: to AS293 announce AS-CERNEXT export: to AS297 announce AS-CERNEXT export: to AS559 announce AS-CERNEXT export: to AS1103 announce AS-CERNEXT export: to AS1297 announce AS-CERNEXT export: to AS2200 announce AS-CERNEXT export: to AS2603 announce AS-CERNEXT export: to AS2697 announce AS-CERNEXT export: to AS3303 announce AS-CERNEXT export: to AS6509 announce AS-CERNEXT export: to AS6730 announce AS-CERNEXT export: to AS6830 announce AS-CERNEXT export: to AS6853 announce AS-CERNEXT export: to AS6939 announce AS-CERNEXT export: to AS8674 announce AS-CERNEXT export: to AS9885 announce AS-CERNEXT export: to AS10764 announce AS-CERNEXT export: to AS11344 announce community(513:11344) export: to AS11537 announce AS-CERNEXT export: to AS12333 announce AS-CERNEXT export: to AS12350 announce AS-CERNEXT export: to AS12654 announce ANY export: to AS13030 announce AS-CERNEXT export: to AS13238 announce AS-CERNEXT export: to AS15169 announce AS-CERNEXT export: to AS15547 announce AS-CERNEXT export: to AS17579 announce AS-CERNEXT export: to AS20932 announce AS-CERNEXT export: to AS20965 announce AS-CERNEXT export: to AS21320 announce AS-CERNEXT export: to AS21357 announce community(513:21357) export: to AS22335 announce AS-CERNEXT export: to AS24167 announce AS-CERNEXT export: to AS24904 announce AS-CERNEXT export: to AS25091 announce AS-CERNEXT export: to AS25152 announce {0.0.0.0/0} export: to AS28810 announce {0.0.0.0/0} export: to AS29222 announce AS-CERNEXT export: to AS30781 announce AS-CERNEXT export: to AS32361 announce AS-CERNEXT export: to AS33845 announce AS-CERNEXT export: to AS43115 announce AS-CERNEXT export: to AS43142 announce AS-CERNEXT export: to AS48751 announce ANY export: to AS59624 announce AS-CERNEXT remarks: mp-import: afi ipv6.unicast from AS174 accept ANY mp-import: afi ipv6.unicast from AS293 accept ANY mp-import: afi ipv6.unicast from AS297 accept ANY mp-import: afi ipv6.unicast from AS559 accept ANY mp-import: afi ipv6.unicast from AS1103 accept ANY mp-import: afi ipv6.unicast from AS2200 accept ANY mp-import: afi ipv6.unicast from AS2603 accept ANY mp-import: afi ipv6.unicast from AS6509 accept ANY mp-import: afi ipv6.unicast from AS6730 accept ANY mp-import: afi ipv6.unicast from AS6830 accept ANY mp-import: afi ipv6.unicast from AS6853 accept AS-EQUANT-SOUTHEUR mp-import: afi ipv6.unicast from AS6939 accept AS6939 mp-import: afi ipv6.unicast from AS8674 accept AS-NETNOD-ANYCAST mp-import: afi ipv6.unicast from AS9885 accept ANY mp-import: afi ipv6.unicast from AS11344 accept AS11344 mp-import: afi ipv6.unicast from AS12654 accept AS12654 mp-import: afi ipv6.unicast from AS13030 accept AS13030 mp-import: afi ipv6.unicast from AS13238 accept AS13238 mp-import: afi ipv6.unicast from AS15169 accept AS-GOOGLE mp-import: afi ipv6.unicast from AS15547 accept AS15547 mp-import: afi ipv6.unicast from AS17579 accept AS17579 mp-import: afi ipv6.unicast from AS20932 accept AS-IP-MAN mp-import: afi ipv6.unicast from AS20965 accept ANY mp-import: afi ipv6.unicast from AS21320 accept ANY mp-import: afi ipv6.unicast from AS24167 accept AS24167 mp-import: afi ipv6.unicast from AS24904 accept AS24904 mp-import: afi ipv6.unicast from AS25091 accept ANY mp-import: afi ipv6.unicast from AS25152 accept AS25152 mp-import: afi ipv6.unicast from AS30781 accept AS-JAGUAR mp-import: afi ipv6.unicast from AS43115 accept ANY mp-import: afi ipv6.unicast from AS57859 accept ANY mp-import: afi ipv6.unicast from AS59624 accept AS59624 remarks: mp-export: afi ipv6.unicast to AS174 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS293 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS297 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS559 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS1103 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS2200 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS2603 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS6509 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS6730 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS6830 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS6853 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS6939 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS8674 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS9885 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS11344 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS12654 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS13030 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS13238 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS15169 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS15547 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS17579 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS20932 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS20965 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS21320 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS24167 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS24904 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS25091 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS25152 announce {::0/0} mp-export: afi ipv6.unicast to AS30781 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS43115 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS57859 announce AS-CERNEXT mp-export: afi ipv6.unicast to AS59624 announce AS-CERNEXT remarks: --------- Community Definition ----------- remarks: 513:21357 Prefix to be announced to Akamai remarks: 513:11344 Prefix to be announced to GCC remarks: ------------------------------------------ admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: LEGACY mnt-by: RIPE-NCC-LEGACY-MNT notify: extip@cern.ch org: ORG-CEOf1-RIPE mnt-by: CERN-MNT created: 2001-10-22T15:20:40Z last-modified: 2022-02-17T12:19:18Z 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-CEOf1-RIPE org-name: CERN - European Organization for Nuclear Research country: CH org-type: LIR address: Dummy address for ORG-CEOf1-RIPE # Email removed, Log into bgp.tools to see whois emails abuse-c: CERN513 mnt-ref: RIPE-NCC-HM-MNT mnt-ref: CERN-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: CERN-MNT created: 2004-04-17T11:02:00Z last-modified: 2021-06-29T07:00:23Z 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: 2026-03-11T03:23:48Z UTC
Member of the following AS-SETs
| - | Member |
|---|---|
| RIPE | as20932:as-peering |
| RIPE | as24904:as-cixp-peers |
| RADB | as-startapna |
| RIPE | as25091:as-downstreams |
| RIPE | as-scheringnrns |
| RADB | as-startapme |
| RIPE | as-green-ipv6-peers |
| ARIN | as293:as-from-starlight-to-esnet |
| RIPE | as25091:as-peers |
| RIPE | as-cernext |
| LEVEL3 | as-sprint-origins |
| ALTDB | as51202:as-all |
| RADB | as-startapru |
| RIPE | as-fibrelac:as-cixp-standard |
| RIPE | as-national |
| RIPE | as-gblxeu |
| RIPE | as-opentransit |
| RADB | as-startapla |
| RADB | as-startapap |
| RADB | as-startapca |
| RIPE | as-ris-rrc04 |
| RIPE | as15547:as-peers |
| RIPE | as513:as-cern-isp |
| LEVEL3 | as-level3-customers-eu |
| RIPE | as-swcmchpeers |
| RIPE | as513:as-cern-nren |
| RADB | as-10099 |
| RADB | as-hurricanev6 |
| RIPE | as-renater |
| RIPE | as-global |
| RIPE | as-liecomtel-peers |
| RIPE | as-cernusa |
| RIPE | as-telecom-peers |
| RIPE | as3303:as-swcmpeers |
| RIPE | as-cern |
| RIPE | as-cixp-rs-as57859 |
| LEVEL3 | as-level3-origins-eu |
| RIPE | as-transroute-spec |
| RADB | as-startapcn |
| RIPE | as-level3-ipv6 |
- PeeringDB AS-SET:
- AS-CERNEXT
- Suggested Prefix Limits
-
IPv4: 100
IPv6: 30
Internet Exchange Points
| Name | IPv4 | IPv6 | Link Speed | |
|---|---|---|---|---|
|
CIXP | 192.65.185.3 | 2001:7f8:1c:24a:201::1 | 10 gbps |