Autonomous System
AS209
Last fetched
AS209 is operated by CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, registered in US, and announces 1,618 prefixes to 243 BGP neighbours. AS209 has a reputation score of 10.9 (NEUTRAL); 553 of its 19,845,376 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 1,618
- BGP neighbours
- 243
- RPKI ROAs
- 58
- MOAS conflicts
- 4
- CAIDA AS-rank
- 142
- Customer-cone ASNs
- 421
- Facilities
- 0
- Internet exchanges
- 0
- Customer degree
- 337
- Peer degree
- 23
- Provider degree
- 0
- 8.15.5.0/24
- 24.223.60.0/24
- 24.223.74.0/23
- 52.119.16.0/20
- 52.119.26.0/24
- 52.119.28.0/24
- 63.144.0.0/12
- 63.152.0.0/16
- 63.153.0.0/18
- 63.153.128.0/17
- 63.155.0.0/19
- 63.155.0.0/16
- 63.224.0.0/21
- 63.224.10.0/23
- 63.224.16.0/21
- 63.224.25.0/24
- 63.224.26.0/23
- 63.224.32.0/21
- 63.224.40.0/22
- 63.224.44.0/24
- 63.224.46.0/23
- 63.224.48.0/24
- 63.224.51.0/24
- 63.224.54.0/23
- 63.224.56.0/22
Route origin authorizations
A sample of 10 of this network’s 58 ROAs.
- 139.60.152.0/22 · max length /24
- 149.64.224.0/24 · max length /24
- 161.195.129.0/24 · max length /24
- 161.203.14.0/23 · max length /23
- 161.203.16.0/23 · max length /23
- 161.203.18.0/23 · max length /23
- 161.203.22.0/23 · max length /23
- 161.203.23.0/24 · max length /24
- 161.203.24.0/23 · max length /23
- 161.203.24.0/24 · max length /24
Upstreams
The networks that most often share an observed BGP path with AS209.
Blast radius
- Announced IPv4 addresses
- 19,845,376
- Threat-listed addresses
- 553
- Threat density
- 0.0028 %
- Routed prefixes
- 1,586
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 25 of this network’s 243 BGP neighbours.
- WEST-NET-WEST - Utah Education Network · AS210
- AS297 - National Aeronautics and Space Administration · AS297
- DBI-CMH1 - DSW Information Technology LLC. · AS1401
- TPC-1 - Tutor Perini Corporation · AS1446
- LEVEL3 - Level 3 Parent, LLC · AS3356
- FORDSRL-AS - Ford Motor Company · AS3389
- JBHUNT - J. B. Hunt Transport Inc. · AS3465
- CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC · AS3561
- ACCENTURE - Accenture LLP · AS3573
- ARCEL-2 - Cleveland Cliffs Steel LLC · AS3743
- CENTURYLINK-LEGACY-QWEST-VDOC - CenturyLink Communications, LLC · AS3909
- CENTURYLINK-EUROPE-LEGACY-QWEST - CenturyLink Communications, LLC · AS3910
- CENTURYLINK-LEGACY-QWEST-SPA-OMAHA - CenturyLink Communications, LLC · AS4015
- ASN-MARICOPA1 - Maricopa County Government · AS4211
- CENTURYLINK-MTIPS3-BUR - CenturyLink Communications, LLC · AS4296
- CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC · AS4297
- SEL-AS - Schweitzer Engineering Laboratories, Inc. · AS4539
- CENTURYLINK-LEGACY-QWEST-SPA-MARION - CenturyLink Communications, LLC · AS4911
- CENTURYLINK-MTIPS1-STN - CenturyLink Communications, LLC · AS6223
- CENTURYLINK-MTIPS2-CHI - CenturyLink Communications, LLC · AS6224
- DODDSEUR - U.S. Department of Defense Education Activity · AS6595
- DOWJONES-AS - Dow Jones & Company, Inc. · AS7105
- CENTURYLINK-PRISM - CenturyLink Communications, LLC · AS7191
- CENTURYLINK-SPA-ZUNI - CenturyLink Communications, LLC · AS7359
- JPMORGAN-AS7743 - JPMorgan Chase & Co. · AS7743
MOAS / hijack watch
4 announced prefixes conflict with AS209 — another network announces the same address space. A sample:
Reputation
10.9reputation score (NEUTRAL)
AS209 (CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US) has a reputation score of 68.2 (NEUTRAL).
- Threat density
- 86.3/100
- 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
- CenturyLink Communications, LLC
- RIR
- ARIN
- Registered
- Fri, 13 Nov 1998 05:00:00 GMT
- Abuse contact
- abuse@aup.lumen.com
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS209 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.