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Autonomous System

AS4837

Last fetched

AS4837 is operated by CHINA169-Backbone - CHINA UNICOM China169 Backbone, registered in CN, and announces 2,175 prefixes to 123 BGP neighbours. AS4837 has a reputation score of 13.6 (NEUTRAL); 33,740 of its 57,728,000 announced IPv4 addresses appear on threat feeds.

Nutrition Label

WHISPER CANON · AS4837Routing diversity10.0/10Peering density8.3/10MOAS conflict⚠ 2 conflictsThreat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/asn/4837

Routing footprint

Announced prefixes
2,175
BGP neighbours
123
RPKI ROAs
2,674
MOAS conflicts
2
CAIDA AS-rank
219
Customer-cone ASNs
242
Facilities
67
Internet exchanges
3
Customer degree
86
Peer degree
52
Provider degree
11

Routing posture

Hijack posture score
0.53
Origin mismatches
5
Route leaks
7

Leak types observed: TYPE1_HAIRPIN_TURN, TYPE3_PROVIDER_TO_PEER, TYPE4_PEER_TO_PROVIDER.

Signals

  • critical-infrastructureServes infrastructure the internet depends on operationally.

Infrastructure presence

Internet exchanges (3 total)

Route origin authorizations

A sample of 10 of this network’s 2,674 ROAs.

Upstreams

The networks that most often share an observed BGP path with AS4837.

Blast radius

Announced IPv4 addresses
57,728,000
Threat-listed addresses
33,740
Threat density
0.0584 %
Routed prefixes
1,523

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 123 BGP neighbours.

MOAS / hijack watch

2 announced prefixes conflict with AS4837 — another network announces the same address space. A sample:

Reputation

13.6reputation score (NEUTRAL)

AS4837 (CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN) has a reputation score of 62.7 (NEUTRAL).

Threat density
63.4/100
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

RIR
APNIC
Registered
Thu, 04 Sep 2008 06:40:31 GMT

This is the abuse contact WhisperGraph holds for the network.

Threat-feed evidence

Related pages

Pivot from AS4837 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, ixpCount
Run 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, observations
Run yourself →

Or query Whisper from your own LLM workflow via the Whisper MCP server.