Autonomous System

AS239

Last fetched Sun, 11 Oct 2026 22:52:11 GMT

AS239 is operated by UTORONTO-AS - University of Toronto, registered in CA, and announces 18 prefixes to 2 BGP neighbours. AS239 has a reputation score of 11.6 (NEUTRAL); 64 of its 331,264 announced IPv4 addresses appear on threat feeds.

Nutrition Label

Routing footprint

Announced prefixes: 18
BGP neighbours: 2
RPKI ROAs: 0
MOAS conflicts: 0
CAIDA AS-rank: 13,066
Customer-cone ASNs: 1
Facilities: 9
Internet exchanges: 1
Customer degree: 0
Peer degree: 7
Provider degree: 1

Infrastructure presence

Internet exchanges (1 total)

TorIX

Facilities (9 total)

Upstreams

The networks that most often share an observed BGP path with AS239.

AS26677 · 3 shared paths
AS49432 · 2 shared paths
AS6939 · 2 shared paths
AS215510 · 1 shared path
AS6461 · 1 shared path

Blast radius

Announced IPv4 addresses: 331,264
Threat-listed addresses: 64
Threat density: 0.0193 %
Routed prefixes: 15

How much of the internet this network is responsible for, and how much of that address space currently appears on a threat feed. Coverage: computed.

Peering ecosystem

A sample of 2 of this network’s 2 BGP neighbours.

HURRICANE - Hurricane Electric LLC · AS6939
ORION-ASN - ORION · AS26677

Reputation

11.6reputation score (NEUTRAL)

AS239 (UTORONTO-AS - University of Toronto, CA) has a reputation score of 66.7 (NEUTRAL).

Threat density: 82.1/100
Graph metrics: 55.0/100
Historical behaviour: 85.0/100
Prefix age: 20.0/100

These are reputation signals about the network as a whole, not a threat-feed verdict about a specific address.

Registration

Registered to: University of Toronto
RIR: ARIN
Registered: Tue, 20 Sep 1988 04:00:00 GMT
Abuse contact: eis.net.eng@utoronto.ca

This is the abuse contact WhisperGraph holds for the network.

Threat-feed evidence

Pivot from AS239 into the prefixes, peers and country it routes for.

Queries

This ASN's full card — routing footprint, peers, conflicts and RIR facts.


MATCH (a:ASN {name: $asn})
OPTIONAL MATCH (a)-[:HAS_NAME]->(an:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(co:COUNTRY)
OPTIONAL MATCH (a)-[:REGISTERED_BY]->(org:ORGANIZATION)
WITH a,
     collect(an.name) AS operatorNames,
     collect(co.name) AS countries,
     collect(org.name) AS organizations
OPTIONAL MATCH (a)-[:ROUTES]->(prefix:ANNOUNCED_PREFIX)
WITH a, operatorNames, countries, organizations,
     collect(prefix.name)[0..25] AS samplePrefixes
OPTIONAL MATCH (a)-[:BGP_NEIGHBOR]-(peer:ASN)
OPTIONAL MATCH (peer)-[:HAS_NAME]->(peern:ASN_NAME)
WITH a, operatorNames, countries, organizations, samplePrefixes,
     collect({asn: peer.name, operator: peern.name})[0..25] AS samplePeers
OPTIONAL MATCH (a)<-[:CONFLICTS_WITH]-(conflict:ANNOUNCED_PREFIX)
WITH a, operatorNames, countries, organizations, samplePrefixes, samplePeers,
     collect(conflict.name)[0..25] AS sampleConflicts
OPTIONAL MATCH (a)-[:HAS_SIGNAL]->(sig:THREAT_SIGNAL_TYPE)
WITH a, operatorNames, countries, organizations, samplePrefixes, samplePeers, sampleConflicts,
     collect(DISTINCT sig.name) AS signals
OPTIONAL MATCH (a)-[:IX_MEMBER]->(ix:INTERNET_EXCHANGE)
WITH a, operatorNames, countries, organizations, samplePrefixes, samplePeers, sampleConflicts, signals,
     collect({id: ix.id, name: ix.name})[0..25] AS sampleExchanges
OPTIONAL MATCH (a)-[:AS_PRESENT_AT]->(fac:FACILITY)
WITH a, operatorNames, countries, organizations, samplePrefixes, samplePeers, sampleConflicts, signals, sampleExchanges,
     collect({id: fac.id, name: fac.name})[0..25] AS sampleFacilities
OPTIONAL MATCH (roa:ROA)-[:ROA_AUTHORIZES_ORIGIN]->(a)
WITH a, operatorNames, countries, organizations, samplePrefixes, samplePeers, sampleConflicts, signals, sampleExchanges, sampleFacilities,
     collect({prefix: roa.prefix, maxLength: roa.maxLength})[0..10] AS sampleRoas
CALL { WITH a MATCH (a)-[:ROUTES]->(p:ANNOUNCED_PREFIX) RETURN count(p) AS prefixCount }
CALL { WITH a MATCH (a)-[:BGP_NEIGHBOR]-(n:ASN) RETURN count(n) AS peerCount }
CALL { WITH a MATCH (a)<-[:CONFLICTS_WITH]-(c:ANNOUNCED_PREFIX) RETURN count(c) AS conflictCount }
CALL { WITH a MATCH (a)-[:ROA_AUTHORIZES_ORIGIN]-(r:ROA) RETURN count(r) AS roaCount }
CALL { WITH a MATCH (a)-[:AS_PRESENT_AT]->(f:FACILITY) RETURN count(f) AS facilityCount }
CALL { WITH a MATCH (a)-[:IX_MEMBER]->(x:INTERNET_EXCHANGE) RETURN count(x) AS ixpCount }
RETURN a.name AS name,
       a.rir AS rir,
       a.orgName AS orgName,
       a.asRank AS asRank,
       a.coneAsns AS coneAsns,
       a.conePrefixes AS conePrefixes,
       a.coneAddresses AS coneAddresses,
       a.registrationDate AS registrationDate,
       a.reputationScore AS reputationScore,
       a.reputationCategory AS reputationCategory,
       a.overallThreatLevel AS overallThreatLevel,
       a.abuseEmail AS abuseEmail,
       a.hijackPostureScore AS hijackPostureScore,
       a.hijackOriginMismatchCount AS hijackOriginMismatchCount,
       a.routeLeakCount AS routeLeakCount,
       a.routeLeakTypes AS routeLeakTypes,
       a.degreeCustomer AS degreeCustomer,
       a.degreePeer AS degreePeer,
       a.degreeProvider AS degreeProvider,
       operatorNames, countries, organizations,
       samplePrefixes, samplePeers, sampleConflicts,
       signals, sampleExchanges, sampleFacilities, sampleRoas,
       prefixCount, peerCount, conflictCount, roaCount, facilityCount, ixpCount

Run yourself →

The five networks that most often share this ASN's observed BGP paths.


MATCH (a:ASN {name: $asn})<-[:BGP_PATH]-(b:BGP_PATH_OBSERVATION)
WITH b LIMIT 200
MATCH (b)-[:BGP_PATH]->(up:ASN)
WHERE up.name <> $asn
WITH up.name AS asn, count(*) AS observations
ORDER BY observations DESC
LIMIT 5
RETURN asn, observations