Autonomous System
AS400233 — COSA-CITYHALL - City of San Angelo(US)
Last fetched
AS400233 is an Autonomous System operated by COSA-CITYHALL - City of San Angelo and registered in US. As of Thu, 21 May 2026 06:24:47 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS400233 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
1 distinct peers via BGP. The first 1 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS22645 | LEARN-COMMODITY - LEARN | US |
Blast radius
Approximate count of dependent hostnames if AS400233 disappeared from the routing table.
~10 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:24:47 GMT.
MOAS / hijack watch
Prefixes routed by AS400233 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 AS400233 is unique to AS400233 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS400233.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS400233"})-[: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.