Autonomous System
AS39251 — NETGUARD(BG)
Last fetched
AS39251 is an Autonomous System operated by NETGUARD and registered in BG. As of Thu, 21 May 2026 10:59:51 GMT, it announces 76 routed IP prefixes and peers with 15 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS39251 announces 76 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 77.76.16.0/24
- 77.76.16.0/20
- 85.130.72.0/24
- 85.130.73.0/24
- 85.130.72.0/22
- 85.130.74.0/24
- 85.130.75.0/24
- 85.217.254.0/24
- 85.217.255.0/24
- 91.92.72.0/24
- 91.92.73.0/24
- 91.92.74.0/24
- 91.92.75.0/24
- 91.92.72.0/21
- 91.92.76.0/24
- 91.92.78.0/24
- 91.92.79.0/24
- 91.92.80.0/24
- 91.92.81.0/24
- 91.92.80.0/22
- 91.92.82.0/24
- 91.92.83.0/24
- 91.92.84.0/24
- 91.92.85.0/24
- 91.92.86.0/24
Peering ecosystem
15 distinct peers via BGP. The first 15 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | US |
| AS211288 | NETASSIST | BG |
| AS47624 | LINKPLUS-NET | BG |
| AS39401 | LINKPLUS | BG |
| AS20818 | NSS | BG |
| AS12615 | GCN-AS GCN AD - Sofia, Bulgaria | BG |
| AS8866 | VIVACOM-AS BULGARIA | BG |
| AS8280 | SYNAPSECOM-AS SYNAPSECOM TELECOMS S.A. | GR |
| AS8262 | EVOLINK-AS | BG |
| AS8218 | NEO-ASN Zayo Europe | FR |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS3303 | SWISSCOM Swisscom Switzerland Ltd | CH |
| AS3257 | GTT-BACKBONE GTT | US |
| AS1299 | TWELVE99 Arelion, fka Telia Carrier | SE |
Blast radius
Approximate count of dependent hostnames if AS39251 disappeared from the routing table.
~84 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:59:51 GMT.
MOAS / hijack watch
Prefixes routed by AS39251 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 AS39251 is unique to AS39251 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS39251.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS39251"})-[: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.