Autonomous System
AS20911 — NETSURF-AS-BG - Net-Surf.net Ltd.(BG)
Last fetched
AS20911 is an Autonomous System operated by NETSURF-AS-BG - Net-Surf.net Ltd. and registered in BG. As of Sun, 06 Sep 2026 16:18:20 GMT, it announces 177 routed IP prefixes and peers with 18 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS20911 announces 177 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 45.90.90.0/24
- 45.90.90.0/23
- 45.90.91.0/24
- 46.229.192.0/24
- 46.229.192.0/23
- 46.229.193.0/24
- 46.229.194.0/24
- 46.229.195.0/24
- 46.229.196.0/24
- 46.229.197.0/24
- 46.229.196.0/22
- 46.229.198.0/24
- 46.229.199.0/24
- 46.229.192.0/20
- 46.229.200.0/24
- 46.229.201.0/24
- 46.229.200.0/22
- 46.229.202.0/24
- 46.229.203.0/24
- 46.229.204.0/24
- 46.229.205.0/24
- 46.229.206.0/24
- 46.229.207.0/24
- 78.90.248.0/24
- 78.90.249.0/24
Peering ecosystem
18 distinct peers via BGP. The first 18 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | US |
| AS206499 | LOCIX - LOCIX LIMITED | GB |
| AS20764 | RASCOM-AS - CJSC RASCOM | RU |
| AS208972 | gibirnet-tr - GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | TR |
| AS24482 | SGGS-AS-AP - SG.GS | SG |
| AS34019 | HIVANE - Hivane Association | FR |
| AS34549 | MEER-AS - meerfarbig GmbH & Co. KG | DE |
| AS37721 | Virtual Technologies & Solutions - Virtual Technologies & Solutions | BF |
| AS401753 | BIXCE - BIXCE Inc | VG |
| AS44901 | belcloud - Belcloud LTD | BG |
| AS50673 | Serverius-as - Serverius Holding B.V. | NL |
| AS57344 | TELEHOUSE-AS - Telehouse EAD | BG |
| AS57463 | NetIX - NetIX Communications JSC | BG |
| AS58057 | SECUREBIT - Securebit AG | CH |
| AS59900 | Balkan-Internet-Exchange - Balkan Internet Exchange Ltd | BG |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS8431 | AS8431 - TEA Ltd. | BG |
| AS9002 | RETN-AS - RETN Limited | GB |
Blast radius
Count of dependent hostnames if AS20911 disappeared from the routing table.
2,544 hostnames depend on this network.Exact count across all 177 announced prefixes. Snapshot Sat, 04 Jul 2026 07:00:28 GMT.
MOAS / hijack watch
Prefixes routed by AS20911 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS20911 is unique to AS20911 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS20911.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS20911"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.