Autonomous System
AS5400
Last fetched
AS5400 is operated by BT - British Telecommunications Limited, registered in GB, and announces 126 prefixes to 84 BGP neighbours. AS5400 has a reputation score of 8.1 (REPUTABLE); 2 of its 714,240 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 126
- BGP neighbours
- 84
- RPKI ROAs
- 196
- MOAS conflicts
- 0
- CAIDA AS-rank
- 223
- Customer-cone ASNs
- 240
- Facilities
- 506
- Internet exchanges
- 61
- Customer degree
- 60
- Peer degree
- 99
- Provider degree
- 5
- 31.95.0.0/21
- 31.95.14.0/23
- 31.95.16.0/20
- 31.95.48.0/21
- 31.95.56.0/24
- 31.95.64.0/21
- 31.95.96.0/19
- 31.95.160.0/20
- 31.95.184.0/21
- 31.95.208.0/21
- 31.95.218.0/23
- 31.95.220.0/22
- 31.95.240.0/22
- 31.95.246.0/23
- 31.95.248.0/22
- 31.95.254.0/23
- 46.248.8.0/23
- 46.248.10.0/23
- 62.5.0.0/17
- 62.102.0.0/17
- 62.134.94.48/28
- 62.134.0.0/16
- 62.172.0.0/21
- 62.173.192.0/18
- 62.180.0.0/16
Infrastructure presence
Internet exchanges (61 total)
Facilities (506 total)
- Equinix DC1-DC15,DC21-DC22 - Ashburn
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Equinix CH1/CH2/CH4 - Chicago
- Equinix DA1 - Dallas
- Equinix SV8 - Silicon Valley, Palo Alto
- Digital Realty NYC (60 Hudson)
- Equinix AT2/AT3 - Atlanta
- Equinix LA1 - Los Angeles
- Equinix NY1 - New York, Newark
- Equinix MI1 - Miami, NOTA
- Equinix TR1 - Toronto
- NIKHEF Amsterdam
- CoreSite - Los Angeles (LA1) One Wilshire
- Digital Realty NYC (111 8th Ave)
- CoreSite - San Jose (SV1)
- Telehouse - London (Docklands North)
- Equinix NY9 - New York, 111 8th Avenue
- Telehouse - London (Docklands East)
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus
- Digital Realty London LHR19
- Digital Realty London LHR20
- Digital Realty London LON1-3
- Equinix LD8 - London, Docklands
- Telehouse - Paris 2 (Voltaire - Léon Frot)
- Digital Realty Frankfurt FRA1-27
Route origin authorizations
A sample of 10 of this network’s 196 ROAs.
- 203.158.64.0/23 · max length /23
- 203.158.66.0/23 · max length /23
- 203.158.68.0/23 · max length /23
- 203.158.70.0/23 · max length /23
- 203.158.72.0/23 · max length /23
- 203.158.74.0/23 · max length /23
- 203.158.76.0/23 · max length /23
- 203.158.78.0/23 · max length /23
- 203.158.80.0/23 · max length /23
- 203.158.82.0/23 · max length /23
Upstreams
The networks that most often share an observed BGP path with AS5400.
Blast radius
- Announced IPv4 addresses
- 714,240
- Threat-listed addresses
- 2
- Threat density
- 0.0003 %
- Routed prefixes
- 86
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 84 BGP neighbours.
- SCHLUMBERGER-AS - Schlumberger Limited · AS72
- COGENT-174 - Cogent Communications, LLC · AS174
- BACOM - Bell Canada · AS577
- SWIPNET - Tele2 Sverige AB · AS1257
- TWELVE99 - Arelion Sweden AB · AS1299
- GREEN - green.ch AG · AS1836
- AS-BTIRE - Enet Communications LIMITED · AS2110
- BT-UK-AS - British Telecommunications Limited · AS2856
- NTT-DATA-2914 - NTT America, Inc. · AS2914
- GTT-BACKBONE - GTT Communications Inc. · AS3257
- SWISSCOM - Swisscom (Schweiz) AG · AS3303
- DTAG - Deutsche Telekom AG · AS3320
- RIPE-NCC-AS - Reseaux IP Europeens Network Coordination Centre (RIPE NCC) · AS3333
- LEVEL3 - Level 3 Parent, LLC · AS3356
- PCCWG-APAC-HK - PCCW Global (HK) Ltd. · AS3491
- ACCENTURE - Accenture LLP · AS3573
- ASN-TELSTRA-GLOBAL - Telstra Global · AS4637
- STRIPE - Stripe, Inc. · AS5091
- Opentransit - Orange S.A. · AS5511
- AS6453 - TATA COMMUNICATIONS (AMERICA) INC · AS6453
- ZAYO-6461 - Zayo Bandwidth · AS6461
- SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A. · AS6762
- LibertyGlobal - Liberty Global Europe Holding B.V. · AS6830
- HURRICANE - Hurricane Electric LLC · AS6939
- AS7195 - EDGEUNO S.A.S · AS7195
Reputation
8.1reputation score (REPUTABLE)
AS5400 (BT - British Telecommunications Limited, GB) has a reputation score of 75.8 (REPUTABLE).
- Threat density
- 90.0/100
- Graph metrics
- 90.0/100
- Historical behaviour
- 75.0/100
- 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
- British Telecommunications PLC
- RIR
- RIPE
- Registered
- Thu, 29 Aug 2002 09:47:11 GMT
- Abuse contact
- abuse@eu.bt.net
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS5400 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.