Autonomous System
AS42353
Last fetched
AS42353 is operated by SIMWOOD - Simwood eSMS Limited, registered in GB, and announces 16 prefixes to 3 BGP neighbours. AS42353 has a reputation score of 12.6 (NEUTRAL); 0 of its 3,584 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 16
- BGP neighbours
- 3
- RPKI ROAs
- 16
- MOAS conflicts
- 0
- CAIDA AS-rank
- 23,485
- Customer-cone ASNs
- 1
- Facilities
- 28
- Internet exchanges
- 4
- Customer degree
- 0
- Peer degree
- 9
- Provider degree
- 2
Infrastructure presence
Internet exchanges (4 total)
Facilities (28 total)
- Telehouse - London (Docklands East)
- Digital Realty London LHR20
- Telehouse - London (Docklands North)
- Equinix LD8 - London, Docklands
- Digital Realty London LON1-3
- Digital Realty London LHR19
- Reynolds House, Manchester
- Digital Realty London LHR21 (closed)
- Equinix MA1 - Manchester, Williams/Kilburn
- Equinix LD4 - London, Slough
- Equinix LD9 - London, Powergate
- Teledata Manchester - Delta House
- Telehouse - London (Docklands West)
- Equinix LD5 - London, Slough
- Equinix MA3 - Manchester, Joule House
- Volta
- NGD Newport
- Equinix LD6 - London, Slough
- Equinix MA4 - Manchester, Synergy House
- Equinix LD10 - London, Slough
- Digital Realty London LHR18
- COLT DC London II
- Telehouse - London (Docklands North Two)
- VIRTUS LONDON2 (Hayes)
- Equinix LD7 - London, Slough
Route origin authorizations
A sample of 10 of this network’s 16 ROAs.
- 178.22.136.0/21 · max length /21
- 178.22.136.0/23 · max length /23
- 178.22.136.0/24 · max length /24
- 178.22.137.0/24 · max length /24
- 178.22.139.0/24 · max length /24
- 178.22.140.0/23 · max length /23
- 178.22.140.0/24 · max length /24
- 178.22.141.0/24 · max length /24
- 178.22.142.0/23 · max length /24
- 178.22.143.0/24 · max length /24
Upstreams
The networks that most often share an observed BGP path with AS42353.
Blast radius
- Announced IPv4 addresses
- 3,584
- Threat-listed addresses
- 0
- Threat density
- 0.0000 %
- Routed prefixes
- 16
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 3 of this network’s 3 BGP neighbours.
Reputation
12.6reputation score (NEUTRAL)
AS42353 (SIMWOOD - Simwood eSMS Limited, GB) has a reputation score of 64.8 (NEUTRAL).
- Threat density
- 76.6/100
- Graph metrics
- 55.0/100
- Historical behaviour
- 85.0/100
- 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
- Simwood eSMS Limited
- RIR
- RIPE
- Registered
- Wed, 07 Feb 2007 12:23:46 GMT
- Abuse contact
- noc@simwood.com
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS42353 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.