Autonomous System

AS239 — UTORONTO-AS - University of Toronto(CA)

Last fetched Wed, 20 May 2026 21:51:17 GMT

AS239 is an Autonomous System operated by UTORONTO-AS - University of Toronto and registered in CA. As of Wed, 20 May 2026 21:51:17 GMT, it announces 18 routed IP prefixes and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.

Nutrition Label

Routing footprint

AS239 announces 18 distinct routed prefixes. The 18-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
AS26677	REGIONIVESC - Region IV Education Service Center	CA

Blast radius

Approximate count of dependent hostnames if AS239 disappeared from the routing table.

~144 hostnames depend on this network.Sampled from 10 prefixes, snapshot Wed, 20 May 2026 21:51:17 GMT.

MOAS / hijack watch

Prefixes routed by AS239 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 AS239 is unique to AS239 in the current routing snapshot.

Threat posture

Pivot deeper into the graph from AS239.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS239"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.