| Prefix | Description | |
|---|---|---|
|
194.141.0.0/24 | NREN - Bulgaria |
|
194.141.0.0/16 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.2.0/24 | NREN - Bulgaria |
|
194.141.3.0/24 | NREN - Bulgaria |
|
194.141.4.0/24 | NREN - Bulgaria |
|
194.141.5.0/24 | NREN - Bulgaria |
|
194.141.6.0/24 | NREN - Bulgaria |
|
194.141.8.0/24 | NREN - Bulgaria |
|
194.141.9.0/24 | NREN - Bulgaria |
|
194.141.12.0/24 | NREN - Bulgaria |
|
194.141.15.0/24 | NREN - Bulgaria |
|
194.141.16.0/22 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.22.0/24 | NREN - Bulgaria |
|
194.141.24.0/21 | NREN - Bulgaria |
|
194.141.32.0/22 | NREN - Bulgaria |
|
194.141.37.0/24 | NREN - Bulgaria |
|
194.141.38.0/23 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.40.0/24 | NREN - Bulgaria |
|
194.141.41.0/24 | NREN - Bulgaria |
|
194.141.43.0/24 | NREN - Bulgaria |
|
194.141.44.0/23 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.47.0/24 | NREN - Bulgaria |
|
194.141.51.0/24 | NREN - Bulgaria |
|
194.141.52.0/22 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.56.0/23 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.64.0/23 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.66.0/24 | NREN - Bulgaria |
|
194.141.67.0/24 | NREN - Bulgaria |
|
194.141.68.0/24 | NREN - Bulgaria |
|
194.141.69.0/24 | NREN - Bulgaria |
|
194.141.72.0/22 | NREN - Bulgaria |
|
194.141.76.0/23 | NREN - Bulgaria |
|
194.141.78.0/24 | NREN - Bulgaria |
|
194.141.79.0/24 | NREN - Bulgaria |
|
194.141.84.0/24 | NREN - Bulgaria |
|
194.141.86.0/24 | NREN - Bulgaria |
|
194.141.104.0/21 | NREN - Bulgaria |
|
194.141.112.0/24 | NREN - Bulgaria |
|
194.141.113.0/24 | NREN - Bulgaria |
|
194.141.116.0/23 | NREN - Bulgaria |
|
194.141.116.0/22 | NREN - Bulgaria |
|
194.141.118.0/24 | NREN - Bulgaria |
|
194.141.119.0/24 | NREN - Bulgaria |
|
194.141.221.0/24 | NREN - Bulgaria |
|
194.141.222.0/24 | NREN - Bulgaria |
|
194.141.225.0/24 | NREN - Bulgaria |
|
194.141.226.0/24 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.227.0/24 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.228.0/22 | Bulgarian Research and Education Network Association (BREN) |
|
194.141.232.0/21 | NREN - Bulgaria |
|
194.141.240.0/24 | NREN - Bulgaria |
|
194.141.241.0/24 | NREN - Bulgaria |
|
194.141.242.0/24 | NREN - Bulgaria |
|
194.141.243.0/24 | NREN - Bulgaria |
|
194.141.245.0/24 | Bulgarian Research and Education Network Association (BREN) |
|
2001:4b58::/32 | Bulgarian Research and Education Network Association (BREN) |
|
2001:4b58:8::/48 | Bulgarian Research and Education Network Association (BREN) |
|
2001:4b58:22::/48 | ISTF (NREN - Bulgaria) |
|
2001:4b58:37::/48 | Bulgarian Research and Education Network Association (BREN) |
|
2001:4b58:38::/48 | ISTF (NREN - Bulgaria) |
|
2001:4b58:86::/48 | Bulgarian Research and Education Network Association (BREN) |


| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS8262 | Evolink EAD | ✔ | ✔ |
|
AS21320 | GEANT Vereniging | ✔ | ✔ |
|
AS8717 | A1 Bulgaria EAD | ✔ | ✘ |
|
AS8866 | Vivacom Bulgaria EAD | ✔ | ✘ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() |
AS8262 | Evolink EAD | ✔ | ✔ |
![]() |
AS21320 | GEANT Vereniging | ✔ | ✔ |
![]() |
AS5421 | Sofia University "St. Kliment Ohridski" | ✔ | ✔ |
![]() |
AS6939 | Hurricane Electric LLC | ✔ | ✘ |
![]() |
AS5405 | Inter.link GmbH | ✔ | ✔ |
![]() |
AS137409 | GSL Networks Pty LTD | ✔ | ✔ |
![]() |
AS28949 | Technical University of Sofia | ✔ | ✘ |
![]() |
AS8866 | Vivacom Bulgaria EAD | ✔ | ✘ |
![]() |
AS8717 | A1 Bulgaria EAD | ✔ | ✔ |
![]() |
AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
![]() |
AS3303 | Swisscom (Schweiz) AG | ✔ | ✔ |
![]() |
AS20965 | GEANT Vereniging | ✔ | ✔ |
![]() |
AS8745 | Bulgarian Academy of Sciences | ✔ | ✔ |
![]() |
AS48155 | University of Ruse "Angel Kanchev" | ✔ | ✔ |
![]() |
AS49544 | i3D.net B.V | ✔ | ✔ |
![]() |
AS49704 | PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | ✔ | ✔ |
![]() |
AS41352 | D. A. Tsenov Svishtov Academy of Economics | ✔ | ✔ |
![]() |
AS6205 | HizliNet Teknoloji A.S. | ✔ | ✘ |
![]() |
AS208972 | GIBIRNet Iletisim | ✔ | ✘ |
![]() |
AS216265 | ARISTO NETWORKS LTD | ✔ | ✘ |
![]() |
AS47174 | Technical University of Varna | ✔ | ✘ |
![]() |
AS8860 | Delta HighTech Ltd. | ✔ | ✔ |
![]() |
AS206375 | NETSPEED INTERNET A.S. | ✔ | ✘ |
![]() |
AS21215 | UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd | ✔ | ✘ |
![]() |
AS199524 | Gcore S.A. | ✔ | ✔ |
![]() |
AS48678 | PENTECH BILISIM TEKNOLOJILERI SANAYI VE TICARET LIMIT... | ✔ | ✔ |
![]() |
AS200533 | Civil association Init Lab | ✔ | ✔ |
![]() |
AS44901 | Belcloud LTD | ✔ | ✘ |
![]() |
AS42295 | TBISS Ltd | ✔ | ✔ |
![]() |
AS8280 | SYNAPSECOM S.A. Provider of Telecommunications and In... | ✔ | ✔ |
![]() |
AS211288 | Netassist International EOOD | ✘ | ✔ |
![]() |
AS32590 | Valve Corporation | ✔ | ✘ |
![]() |
AS8772 | NetAssist LLC | ✔ | ✘ |
![]() |
AS57344 | Telehouse EAD | ✔ | ✘ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
|
AS5421 | Sofia University "St. Kliment Ohridski" | ✔ | ✔ |
|
AS48155 | University of Ruse "Angel Kanchev" | ✔ | ✔ |
|
AS28949 | Technical University of Sofia | ✔ | ✘ |
|
AS49704 | PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | ✔ | ✘ |
|
AS41352 | D. A. Tsenov Svishtov Academy of Economics | ✔ | ✘ |
|
AS47174 | Technical University of Varna | ✔ | ✘ |
aut-num: AS6802 org: ORG-UBAa1-RIPE as-name: UNICOM-B-AS descr: NREN - Bulgaria import: from AS5421 action pref=300; accept AS5421 import: from AS8262 action pref=200; accept ANY import: from AS8745 action pref=300; accept AS8745 import: from AS8866 action pref=200; accept ANY import: from AS20965 action pref=100; accept ANY import: from AS28949 action pref=300; accept AS28949 import: from AS41352 action pref=300; accept AS41352 import: from AS47174 action pref=300; accept AS47174 import: from AS48155 action pref=300; accept AS48155 import: from AS49704 action pref=300; accept AS49704 export: to AS5421 announce ANY export: to AS8262 announce AS-ISTF export: to AS8745 announce ANY export: to AS8866 announce AS-ISTF export: to AS20965 announce AS-ISTF export: to AS28949 announce ANY export: to AS41352 announce ANY export: to AS47174 announce ANY export: to AS48155 announce ANY export: to AS49704 announce ANY default: to AS20965 action pref=100; networks ANY remarks: ========================================================= remarks: BGP COMMUNITY SUPPORT FOR AS6802 TRANSIT CUSTOMERS remarks: --------------------------------------------------------- remarks: Communities applied at ingress remarks: Community Action remarks: --------- ------ remarks: 6802:200 Added to routes learned from AS8262 and AS8866 remarks: 6802:300 Added to routes learned from AS6802's customers remarks: --------------------------------------------------------- remarks: Communities accepted from customers remarks: Community Action remarks: --------- ------ remarks: 6802:x0 Prepend 6802 x times (x = 1,2,3,4,5,6,7,8,9) remarks: ....... on routes announced to AS20965 remarks: ========================================================= admin-c: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: AS6802-MNT created: 1970-01-01T00:00:00Z last-modified: 2024-07-12T13:22:19Z 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-UBAa1-RIPE org-name: Bulgarian Research and Education Network Association (BREN) country: BG org-type: LIR address: Dummy address for ORG-UBAa1-RIPE # Email removed, Log into bgp.tools to see whois emails abuse-c: AR14227-RIPE mnt-ref: AS6802-MNT mnt-ref: RIPE-NCC-HM-MNT mnt-by: RIPE-NCC-HM-MNT mnt-by: AS6802-MNT created: 2004-04-17T11:01:24Z last-modified: 2024-01-17T15:30:14Z 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: 2026-03-11T03:23:52Z UTC
| - | Member | ASN Count |
|---|---|---|
| RIPE | as-spnet | 245 |
| RIPE | as-retn-actual-v4 | 12735 |
| RIPE | as47697:as-bix-bg-l3 | 81 |
| LEVEL3 | as-level3-transits | 1364 |
| RIPE | as-evolink | 135 |
| RIPE | as-bg | 36 |
| RIPE | as-netissat | 18 |
| RADB | as-bg | 36 |
| LEVEL3 | as-level3-origins-eu | 0 |
| RADB | as-hurricanev6 | 20659 |
| RIPE | as-spnetbtc | 9 |
| RIPE | as-btc-up | 2397 |
| RIPE | as-netissat-local | 10 |
| RIPE | as8717:as-a1bg | 257 |
| RIPE | as-istf | 10 |
| RIPE | as-retn-actual-v6 | 3924 |
IPv4: 300
IPv6: 100
| Name | IPv4 | IPv6 | Link Speed | |
|---|---|---|---|---|
![]() ![]() |
BIX.BG | 193.169.199.125 | 2001:7f8:58::1a92:0:1 | 100 gbps |
![]() ![]() |
BIX.BG | 193.169.199.126 | 2001:7f8:58::1a92:0:2 | 10 gbps |