Autonomous System
AS23855
Last fetched
AS23855 is operated by SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network, registered in SG, and announces 3 prefixes to 20 BGP neighbours. AS23855 has a reputation score of 8.1 (REPUTABLE); 0 of its 512 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 3
- BGP neighbours
- 20
- RPKI ROAs
- 5
- MOAS conflicts
- 0
- CAIDA AS-rank
- 641
- Customer-cone ASNs
- 71
- Facilities
- 28
- Internet exchanges
- 3
- Customer degree
- 15
- Peer degree
- 34
- Provider degree
- 2
Routing posture
- Hijack posture score
- 0.02
- Route leaks
- 1
Leak types observed: TYPE3_PROVIDER_TO_PEER.
Infrastructure presence
Internet exchanges (3 total)
Facilities (28 total)
- Telehouse – TOKYO Otemachi (KDDI Otemachi)
- Singapore Open Exchange (SOX)
- Equinix SG1 - Singapore
- Global Switch Singapore
- Equinix TY2 - Tokyo
- Digital Edge TYO2 (ComSpace 1) - Tokyo
- NTT DATA Otemachi Bldg
- Equinix SG2 - Singapore
- AT TOKYO (CC1/CC2)
- 1-Net East
- COLT in Asia Tokyo Data Center 1 (TDC1)
- Equinix TY4 - Tokyo
- Equinix SG3 - Singapore
- Digital Realty Singapore SIN10
- Digital Realty Singapore SIN11
- Racks Central
- STT Singapore 5
- Keppel Data Centres | Keppel DC Singapore 1
- NeutraDC SNG-3
- Epsilon Global Hubs Singapore
- NTT DATA Mitaka DataCenter EAST
- Iron Mountain Data Center - Singapore (SIN-1)
- NTT DOCOMO BUSINESS Tokyo (NW1)
- BDx SIN1 - Singapore
- Digital Realty Tokyo - NRT10
Route origin authorizations
A sample of 5 of this network’s 5 ROAs.
- 2001:df0:21a::/48 · max length /48
- 203.30.38.0/23 · max length /24
- 2401:c7c0:3::/48 · max length /48
- 203.30.38.0/24
- 203.30.39.0/24
Upstreams
The networks that most often share an observed BGP path with AS23855.
Blast radius
- Announced IPv4 addresses
- 512
- Threat-listed addresses
- 0
- Threat density
- 0.0000 %
- Routed prefixes
- 2
How much of the internet this network is responsible for, and how much of that address space currently appears on a threat feed. Coverage: clean.
Peering ecosystem
A sample of 20 of this network’s 20 BGP neighbours.
- ASN-TELSTRA-GLOBAL - Telstra Global · AS4637
- HURRICANE - Hurricane Electric LLC · AS6939
- CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) · AS7497
- AARNET-AS-AP - Australian Academic and Research Network (AARNet) · AS7575
- APAN-JP - Asia Pacific Advanced Network - Japan · AS7660
- ASNet - Academia Sinica · AS9264
- NTU-AS-AP - Nanyang Technological University · AS9419
- NKN-INTERNET-GW - NKN INTERNET GATEWAY NETWORK · AS9885
- A-STAR-AS-AP - A-STAR · AS23767
- SINGAREN-GIX-IHPC-AS-AP - Singapre Advance Research and Education Network - National Grid Office - IHPC · AS23864
- TEIN2-SG-AP - Trans-Eurasia Information Network (TEIN2) - SG · AS24490
- NEWMEDIAEXPRESS-AS-AP - NewMedia Express Pte Ltd · AS38001
- LEARN-LK - Lanka Education & Research Network, NREN · AS38229
- KAUST-AS1 - King Abdullah University of Science and Technology · AS50999
- SIT-AS-AP - Singapore Institute of Technology · AS131475
- SCEI-AS-AP - Science and Engineering Institutes · AS132398
- SINGAREN-GIX-AS-AP-2 - SingAREN · AS134148
- SINGAREN-GIX-AS-AP - SingAREN · AS136968
- JUCC-AS-AP - Joint Universities Computer Centre Limited · AS137207
- OMREN - Oman Research and education Network (OMREN) · AS206350
Reputation
8.1reputation score (REPUTABLE)
AS23855 (SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network, SG) 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
- SingAREN
- RIR
- APNIC
- Registered
- Thu, 04 Sep 2008 06:40:38 GMT
- Abuse contact
- networkadmin@singaren.net.sg
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS23855 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.