Autonomous System
AS55 — UPENN - University of Pennsylvania(US)
Last fetched
AS55 is an Autonomous System operated by UPENN - University of Pennsylvania and registered in US. As of Thu, 21 May 2026 16:21:26 GMT, it announces 6 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS55 announces 6 distinct routed prefixes. The 6-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
2 distinct peers via BGP. The first 2 are listed below.
Blast radius
Approximate count of dependent hostnames if AS55 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS55 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 AS55 is unique to AS55 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS55.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS55"})-[: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.