Autonomous System
AS3257
Last fetched
AS3257 is operated by GTT-BACKBONE - GTT Communications Inc., registered in US, and announces 1,950 prefixes to 1,733 BGP neighbours. AS3257 has a reputation score of 14.6 (NEUTRAL); 425 of its 8,553,728 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 1,950
- BGP neighbours
- 1,733
- RPKI ROAs
- 1,355
- MOAS conflicts
- 9
- CAIDA AS-rank
- 2
- Customer-cone ASNs
- 43,694
- Facilities
- 305
- Internet exchanges
- 2
- Customer degree
- 1,817
- Peer degree
- 34
- Provider degree
- 0
- 2.26.180.0/24
- 2.26.184.0/24
- 2.26.220.0/23
- 2.26.240.0/22
- 2.26.244.0/22
- 2.27.172.0/24
- 2.27.218.0/23
- 2.27.220.0/23
- 2.27.222.0/23
- 2.27.232.0/24
- 2.27.235.0/24
- 2.27.238.0/24
- 2.27.247.0/24
- 5.83.96.0/21
- 5.178.16.0/21
- 5.180.4.0/22
- 5.252.77.0/24
- 5.253.202.0/24
- 8.19.112.0/24
- 8.19.203.0/24
- 8.31.122.0/24
- 8.35.16.0/21
- 8.35.24.0/21
- 8.35.30.0/24
- 8.37.186.0/24
Routing posture
- Hijack posture score
- 0.59
- Origin mismatches
- 121
- Route leaks
- 5
Leak types observed: TYPE2_LATERAL_PEER_TO_PEER.
Signals
- critical-infrastructureServes infrastructure the internet depends on operationally.
Infrastructure presence
Internet exchanges (2 total)
Facilities (305 total)
- Digital Realty SFO (200 Paul)
- Equinix DC1-DC15,DC21-DC22 - Ashburn
- Equinix DA1 - Dallas
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Equinix SV8 - Silicon Valley, Palo Alto
- Equinix LA1 - Los Angeles
- Equinix CH1/CH2/CH4 - Chicago
- Digital Realty NYC (60 Hudson)
- Equinix NY1 - New York, Newark
- Equinix TR1 - Toronto
- Digital Realty NYC (111 8th Ave)
- Equinix MI1 - Miami, NOTA
- NIKHEF Amsterdam
- CoreSite - San Jose (SV1)
- CoreSite - Los Angeles (LA1) One Wilshire
- Digital Realty SFO (365 Main)
- Telehouse - London (Docklands North)
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus
- Digital Realty London LHR17
- Equinix NY9 - New York, 111 8th Avenue
- Digital Realty London LHR20
- Telehouse - London (Docklands East)
- Digital Realty London LHR19
- Digital Realty London LON1-3
- Equinix LD8 - London, Docklands
Route origin authorizations
A sample of 10 of this network’s 1,355 ROAs.
- 154.81.50.0/24 · max length /24
- 156.225.15.0/24 · max length /24
- 156.228.16.0/23 · max length /24
- 156.228.7.0/24 · max length /24
- 156.228.9.0/24 · max length /24
- 192.142.192.0/18 · max length /24
- 192.142.64.0/18 · max length /24
- 45.199.149.0/24 · max length /24
- 103.232.16.0/22 · max length /22
- 183.182.80.0/22 · max length /22
Upstreams
The networks that most often share an observed BGP path with AS3257.
Blast radius
- Announced IPv4 addresses
- 8,553,728
- Threat-listed addresses
- 425
- Threat density
- 0.0050 %
- Routed prefixes
- 1,886
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 1,733 BGP neighbours.
- NYU-DOMAIN - New York University · AS12
- NL-GIGAPOP - University of Minnesota · AS57
- CONE - CyrusOne LLC · AS62
- NTTA-97 - NTT America, Inc. · AS97
- COGENT-174 - Cogent Communications, LLC · AS174
- PACKETSTAR - IDDQD-AS · AS249
- GTT-DXB - GTT Americas, LLC · AS260
- ESA - European Space Agency (ESA) · AS288
- RISQ-AS - Reseau d'Informations Scientifiques du Quebec (RISQ Inc.) · AS376
- Switch - SWITCH · AS559
- BACOM - Bell Canada · AS577
- UUNET - Verizon Business · AS701
- UUNET - Verizon Business · AS702
- ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc. · AS812
- LARG-NET - LARG*net London and Region Global Computer Network · AS819
- GOCODEIT-EDGE - GoCodeIT Inc · AS835
- SBA-CONNECT - SBA Connect, LLC · AS845
- ASN852 - TELUS Communications Inc. · AS852
- CANET-ASN-4 - Bell Canada · AS855
- DMIT - DMIT Cloud Services · AS906
- HYONIX - Hyonix · AS931
- USA-2022 - NovoServe LLC · AS939
- N963-AS-AP - N963 PTE. LTD. · AS963
- NETLAB-SDN - NetLab Global · AS979
- AKARI-NETWORKS - Akari Networks LLC · AS983
MOAS / hijack watch
9 announced prefixes conflict with AS3257 — another network announces the same address space. A sample:
Reputation
14.6reputation score (NEUTRAL)
AS3257 (GTT-BACKBONE - GTT Communications Inc., US) has a reputation score of 60.8 (NEUTRAL).
- Threat density
- 47.3/100
- 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
- GTT Communications Inc.
- RIR
- RIPE
- Registered
- Fri, 20 Sep 2002 10:45:34 GMT
- Abuse contact
- abuse@gtt.net
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS3257 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.