Autonomous System
AS1239
Last fetched
AS1239 is operated by COGENT-1239 - Cogent Communications, LLC, registered in US, and announces 0 prefixes to 137 BGP neighbours. AS1239 has a reputation score of 12.5 (NEUTRAL); 0 of its 0 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 0
- BGP neighbours
- 137
- RPKI ROAs
- 823
- MOAS conflicts
- 1
- CAIDA AS-rank
- 4,223
- Customer-cone ASNs
- 5
- Facilities
- 29
- Internet exchanges
- 3
- Customer degree
- 4
- Peer degree
- 15
- Provider degree
- 0
Infrastructure presence
Internet exchanges (3 total)
Facilities (29 total)
- Equinix DC1-DC15,DC21-DC22 - Ashburn
- Equinix DA1 - Dallas
- Equinix SV8 - Silicon Valley, Palo Alto
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Equinix CH1/CH2/CH4 - Chicago
- Equinix LA1 - Los Angeles
- Equinix MI1 - Miami, NOTA
- Digital Realty NYC (111 8th Ave)
- CoreSite - Los Angeles (LA1) One Wilshire
- Digital Realty Seattle SEA10
- Equinix SE2/SE3 - Seattle
- Digital Realty ATL13 - Atlanta
- 165 Halsey Meet-Me Room
- CoreSite - Denver (DE1)
- KOMO Plaza Seattle (Formerly Fisher Plaza)
- Intergate West / Digital.forest / Fortress
- Cologix MIN1
- Cologix JAX1
- Cologix MIN2
- Centersquare Seattle (SEA1-B)
- H5 Data Centers Seattle
- Cologix MIN3
- Crown Castle Boston (1 Summer)
- Cologix MIN4
- Sabey Intergate East Building 4
Route origin authorizations
A sample of 10 of this network’s 823 ROAs.
- 114.31.208.0/22 · max length /22
- 223.29.128.0/19 · max length /19
- 43.239.250.0/24 · max length /24
- 104.167.229.0/24 · max length /24
- 104.171.160.0/20 · max length /24
- 104.218.193.0/24 · max length /24
- 104.218.195.0/24 · max length /24
- 104.218.198.0/24 · max length /24
- 104.218.199.0/24 · max length /24
- 104.251.86.0/24 · max length /24
Upstreams
The networks that most often share an observed BGP path with AS1239.
Blast radius
- Announced IPv4 addresses
- 0
- Threat-listed addresses
- 0
- Threat density
- 0.0000 %
- Routed prefixes
- 0
How much of the internet this network is responsible for, and how much of that address space currently appears on a threat feed. Coverage: no-routed-space.
Peering ecosystem
A sample of 25 of this network’s 137 BGP neighbours.
- COGENT-174 - Cogent Communications, LLC · AS174
- UUNET - Verizon Business · AS701
- UUNET - Verizon Business · AS702
- ASN852 - TELUS Communications Inc. · AS852
- PISL-24-1000 - CORIX NETWORKS · AS1000
- TWELVE99 - Arelion Sweden AB · AS1299
- NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH · AS1764
- SPIRITTEL-AS - Spirit Communications · AS2711
- NTT-DATA-2914 - NTT America, Inc. · AS2914
- GTT-BACKBONE - GTT Communications Inc. · AS3257
- LEVEL3 - Level 3 Parent, LLC · AS3356
- PCCWG-APAC-HK - PCCW Global (HK) Ltd. · AS3491
- AS4230 - CLARO S.A. · AS4230
- KIXS-AS-KR-KR - Korea Telecom · AS4766
- T-HT - Hrvatski Telekom d.d. · AS5391
- Opentransit - Orange S.A. · AS5511
- SHAW - Shaw Communications · AS6327
- AS6453 - TATA COMMUNICATIONS (AMERICA) INC · AS6453
- ZAYO-6461 - Zayo Bandwidth · AS6461
- ICENET-AS1 - Mila hf · AS6677
- Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM - Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM · AS6713
- AS7049 - Silica Networks Argentina S.A. · AS7049
- AS7195 - EDGEUNO S.A.S · AS7195
- SURRY-TELEPHONE-MEMB-CORP - Surry Telephone Membership Corporation · AS7250
- CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) · AS7497
MOAS / hijack watch
1 announced prefix conflict with AS1239 — another network announces the same address space. A sample:
Reputation
12.5reputation score (NEUTRAL)
AS1239 (COGENT-1239 - Cogent Communications, LLC, US) has a reputation score of 65.0 (NEUTRAL).
- Threat density
- 50.0/100
- Graph metrics
- 80.0/100
- Historical behaviour
- 85.0/100
- Prefix age
- 50.0/100
These are reputation signals about the network as a whole, not a threat-feed verdict about a specific address.
Registration
- Registered to
- Cogent Communications, LLC
- RIR
- ARIN
- Registered
- Mon, 25 Mar 1991 05:00:00 GMT
- Abuse contact
- abuse@cogentco.com
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS1239 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, ixpCountRun 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, observationsRun yourself →Or query Whisper from your own LLM workflow via the Whisper MCP server.