Autonomous System
AS5538
Last fetched
AS5538 is operated by SigmaNet-NIC - Institute of Mathematics and Computer Science of University of Latvia, registered in LV, and announces 7 prefixes to 14 BGP neighbours. AS5538 has a reputation score of 10.0 (REPUTABLE); 1 of its 27,904 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 7
- BGP neighbours
- 14
- RPKI ROAs
- 8
- MOAS conflicts
- 0
- CAIDA AS-rank
- 3,914
- Customer-cone ASNs
- 6
- Facilities
- 0
- Internet exchanges
- 0
- Customer degree
- 5
- Peer degree
- 5
- Provider degree
- 5
Routing posture
- Hijack posture score
- 0.06
- Route leaks
- 3
Leak types observed: TYPE1_HAIRPIN_TURN, TYPE4_PEER_TO_PROVIDER.
Signals
- critical-infrastructureServes infrastructure the internet depends on operationally.
Route origin authorizations
A sample of 8 of this network’s 8 ROAs.
- 185.23.160.0/22 · max length /22
- 194.8.1.0/24 · max length /24
- 2a02:500:4000::/35 · max length /35
- 2a02:500::/29 · max length /29
- 2a02:500::/32 · max length /32
- 5.152.224.0/21 · max length /21
- 85.254.192.0/18 · max length /18
- 92.240.64.0/19 · max length /19
Upstreams
The networks that most often share an observed BGP path with AS5538.
Blast radius
- Announced IPv4 addresses
- 27,904
- Threat-listed addresses
- 1
- Threat density
- 0.0036 %
- Routed prefixes
- 5
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 14 of this network’s 14 BGP neighbours.
- COGENT-174 - Cogent Communications, LLC · AS174
- SWIPNET - Tele2 Sverige AB · AS1257
- HURRICANE - Hurricane Electric LLC · AS6939
- VITA - VAS "Latvijas Valsts radio un televizijas centrs" · AS8194
- LANET - LANET · AS8605
- AS10906 - Nucleo de Inf. e Coord. do Ponto BR - NIC.BR · AS10906
- GEANT - GEANT Vereniging · AS20965
- GEANT_IAS_VRF - GEANT Vereniging · AS21320
- LUMII - Institute of Mathematics and Computer Science of University of Latvia · AS29345
- ACAD-NET - LR Izglitibas un zinatnes ministrija · AS34073
- DOMREG-ANY-AS - Kauno Technologijos Universitetas · AS44358
- NIC-LV-ANYCAST-AS - Institute of Mathematics and Computer Science of University of Latvia · AS51955
- World-Registry-of-Internet-Domains-AS - World-Registry-of-Internet-Domains-AS · AS199029
- AmberBit - SIA Amberbit · AS199031
Reputation
10.0reputation score (REPUTABLE)
AS5538 (SigmaNet-NIC - Institute of Mathematics and Computer Science of University of Latvia, LV) has a reputation score of 70.1 (REPUTABLE).
- Threat density
- 73.8/100
- 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
- RIR
- RIPE
- Registered
- Thu, 22 Aug 2002 14:00:42 GMT
- Abuse contact
- abuse@cert.lv
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS5538 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.