Autonomous System
AS21859
Last fetched
AS21859 is operated by ZEN-ECN - Zenlayer Inc, registered in US, and announces 1,861 prefixes to 292 BGP neighbours. AS21859 has a reputation score of 17.5 (NEUTRAL); 1,268 of its 716,032 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 1,861
- BGP neighbours
- 292
- RPKI ROAs
- 1,012
- MOAS conflicts
- 26
- CAIDA AS-rank
- 122
- Customer-cone ASNs
- 473
- Facilities
- 569
- Internet exchanges
- 82
- Customer degree
- 219
- Peer degree
- 271
- Provider degree
- 60
- 2.27.161.0/24
- 5.252.82.0/24
- 8.23.192.0/23
- 14.102.227.0/24
- 23.27.112.0/24
- 23.90.128.0/20
- 23.90.144.0/20
- 23.90.160.0/21
- 23.90.168.0/23
- 23.90.168.0/22
- 23.90.170.0/23
- 23.90.172.0/23
- 23.90.174.0/23
- 23.90.176.0/22
- 23.90.180.0/24
- 23.90.181.0/24
- 23.90.180.0/22
- 23.90.182.0/24
- 23.90.183.0/24
- 23.90.184.0/23
- 23.90.186.0/23
- 23.90.188.0/22
- 23.91.102.0/23
- 23.91.108.0/24
- 23.139.252.0/24
Routing posture
- Hijack posture score
- 0.55
- Origin mismatches
- 17
- Route leaks
- 5
Leak types observed: TYPE2_LATERAL_PEER_TO_PEER, TYPE3_PROVIDER_TO_PEER.
Signals
- ddos-mitigationProvides DDoS scrubbing or absorption for its customers.
Infrastructure presence
Internet exchanges (82 total)
- LINX LON1
- SIX Seattle
- NYIIX New York
- HKIX
- CXC Jakarta
- France-IX Paris
- GNM-IX
- DE-CIX Frankfurt
- EdgeIX - Sydney
- EdgeIX - Melbourne
- NL-ix
- KINX
- Digital Edge EPIX Jakarta
- PIT MX
- AMS-IX Lagos
- DE-CIX Mumbai
- TPIX-TW
- GetaFIX Manila
- Equinix Rio de Janeiro
- SH-IX
- MyIX
- CLOUD-IX MSK
- KIXP - Nairobi
- PIT Santiago - PIT Chile
- THAILAND IX (TH-IX)
Facilities (569 total)
- Equinix DC1-DC15,DC21-DC22 - Ashburn
- NIKHEF Amsterdam
- Equinix MI1 - Miami, NOTA
- Digital Realty NYC (111 8th Ave)
- Equinix SV8 - Silicon Valley, Palo Alto
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Equinix DA1 - Dallas
- Digital Realty NYC (60 Hudson)
- Equinix CH1/CH2/CH4 - Chicago
- Equinix LA1 - Los Angeles
- Telehouse - London (Docklands North)
- CoreSite - Los Angeles (LA1) One Wilshire
- CoreSite - San Jose (SV1)
- Equinix LD8 - London, Docklands
- Digital Realty London LON1-3
- Digital Realty London LHR19
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus
- Telehouse - London (Docklands East)
- Digital Realty London LHR20
- Digital Realty AMS17 - Amsterdam
- Equinix AM7 - Amsterdam, Kuiperberweg
- ITENOS Frankfurt (FRA1)
- Equinix FR5 - Frankfurt, KleyerStrasse
- Global Switch Amsterdam
- Digital Realty AMS3/5/7/8/10 - Amsterdam
Route origin authorizations
A sample of 10 of this network’s 1,012 ROAs.
- 154.194.56.0/24 · max length /24
- 154.197.45.0/24 · max length /24
- 154.201.1.0/24 · max length /24
- 154.216.0.0/24 · max length /24
- 154.89.5.0/24 · max length /24
- 154.93.2.0/24 · max length /24
- 156.226.0.0/23 · max length /24
- 156.229.120.0/24 · max length /24
- 156.229.121.0/24 · max length /24
- 156.239.244.0/23 · max length /24
Upstreams
The networks that most often share an observed BGP path with AS21859.
Blast radius
- Announced IPv4 addresses
- 716,032
- Threat-listed addresses
- 1,268
- Threat density
- 0.1771 %
- Routed prefixes
- 1,696
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 292 BGP neighbours.
- COGENT-174 - Cogent Communications, LLC · AS174
- NETLAB-SDN - NetLab Global · AS979
- OWS-NETWORK - OCTOPUS WEB SOLUTION INC · AS984
- ZONT-LLC - Zont LLC · AS1054
- ASN-TELSTRA - Telstra Limited · AS1221
- SWIPNET - Tele2 Sverige AB · AS1257
- TWELVE99 - Arelion Sweden AB · AS1299
- NTT-DATA-2914 - NTT America, Inc. · AS2914
- SOVAM-AS - PJSC "Vimpelcom" · AS3216
- GTT-BACKBONE - GTT Communications Inc. · AS3257
- SWISSCOM - Swisscom (Schweiz) AG · AS3303
- LEVEL3 - Level 3 Parent, LLC · AS3356
- HINET - Data Communication Business Group · AS3462
- ZEN-NET - Zenlayer Inc · AS4229
- MOS-NP - Mercantile Office Systems · AS4613
- HKIX-RS1 - Hong Kong Internet Exchange--Route Server 1 · AS4635
- ASN-TELSTRA-GLOBAL - Telstra Global · AS4637
- TATACOMM-AS - TATA Communications formerly VSNL is Leading ISP · AS4755
- GLOBE-TELECOM-AS - Globe Telecoms · AS4775
- TTSSB-MY - TM TECHNOLOGY SERVICES SDN. BHD. · AS4788
- BUNNY-COMMUNICATIONS-GLOBAL - Bunny Communications · AS5065
- INTERDOTLINK - Inter.link GmbH · AS5405
- HizliNet-Teknoloji - HizliNet Teknoloji A.S. · AS6205
- NETROUTING-AS - Netrouting B.V. · AS6206
- AS6453 - TATA COMMUNICATIONS (AMERICA) INC · AS6453
MOAS / hijack watch
26 announced prefixes conflict with AS21859 — another network announces the same address space. A sample:
- 82.41.130.0/24
- 98.96.221.0/24
- 98.98.74.0/24
- 103.246.228.0/23
- 103.246.230.0/23
- 114.114.112.0/21
- 128.1.28.0/24
- 128.1.42.0/24
- 128.1.61.0/24
- 128.1.222.0/24
- 128.14.50.0/24
- 128.14.68.0/24
- 128.14.71.0/24
- 128.14.86.0/24
- 129.227.162.0/24
- 152.175.144.0/24
- 152.175.144.0/23
- 152.175.145.0/24
- 152.175.146.0/23
- 152.175.144.0/20
- 152.175.214.0/24
- 152.175.215.0/24
- 156.59.123.0/24
- 172.81.127.0/24
- 198.44.164.0/24
Reputation
17.5reputation score (NEUTRAL)
AS21859 (ZEN-ECN - Zenlayer Inc, US) has a reputation score of 55.0 (NEUTRAL).
- Threat density
- 41.4/100
- Graph metrics
- 90.0/100
- Historical behaviour
- 60.0/100
- 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
- Zenlayer Inc
- RIR
- ARIN
- Registered
- Tue, 02 Apr 2013 19:53:21 GMT
- Abuse contact
- abuse@zenlayer.com
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS21859 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.