Autonomous System
AS399433 — AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas(US)
Last fetched
AS399433 is an Autonomous System operated by AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas and registered in US. As of Thu, 21 May 2026 10:22:30 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS399433 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 |
|---|---|---|
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
Blast radius
Approximate count of dependent hostnames if AS399433 disappeared from the routing table.
No dependent hostnames recorded for this network.Snapshot Thu, 21 May 2026 10:22:30 GMT.
MOAS / hijack watch
Prefixes routed by AS399433 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 AS399433 is unique to AS399433 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS399433.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS399433"})-[: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.