Autonomous System
AS4373 — OCLC-AS - Online Computer Library Center(US)
Last fetched
AS4373 is an Autonomous System operated by OCLC-AS - Online Computer Library Center and registered in US. As of Thu, 21 May 2026 00:59:12 GMT, it announces 19 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS4373 announces 19 distinct routed prefixes. The 19-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
4 distinct peers via BGP. The first 4 are listed below.
Blast radius
Approximate count of dependent hostnames if AS4373 disappeared from the routing table.
~22,743 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 00:59:12 GMT.
MOAS / hijack watch
Prefixes routed by AS4373 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 AS4373 is unique to AS4373 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS4373.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS4373"})-[: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.