Autonomous System
AS209870
Last fetched
AS209870 is operated by Cylo - Cylo Ltd, registered in GB, and announces 3 prefixes to 3 BGP neighbours. AS209870 has a reputation score of 19.9 (NEUTRAL); 0 of its 512 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 3
- BGP neighbours
- 3
- RPKI ROAs
- 4
- MOAS conflicts
- 0
- CAIDA AS-rank
- 48,532
- Customer-cone ASNs
- 1
- Facilities
- 77
- Internet exchanges
- 7
- Customer degree
- 0
- Peer degree
- 94
- Provider degree
- 2
Infrastructure presence
Facilities (77 total)
- Equinix AM8 - Amsterdam, Gyroscoopweg
- Digital Realty AMS9 - Amsterdam
- Telehouse - Paris 2 (Voltaire - Léon Frot)
- Digital Realty AMS17 - Amsterdam
- Equinix FR5 - Frankfurt, KleyerStrasse
- Digital Realty Frankfurt FRA1-27
- Digital Realty AMS3/5/7/8/10 - Amsterdam
- Global Switch Amsterdam
- Equinix AM7 - Amsterdam, Kuiperberweg
- Digital Realty VIE1/2 - Vienna
- Equinix FR7 - Frankfurt, Gutleutstrasse
- NIKHEF Amsterdam
- Telehouse - London (Docklands North)
- Digital Realty Stockholm STO1-6
- CE Colo Prague
- Digital Realty Marseille MRS1/2/3/4
- Moscow M9
- Equinix SK1 - Stockholm, Bromma
- Speedbone Berlin
- Equinix AM1/AM2 - Amsterdam, Luttenbergweg
- Iron Mountain Data Center - Amsterdam (AMS-1)
- Linxdatacenter (Moscow)
- NewTelco Kiev
- Dataplex Budapest
- Equinix WA1 - Warsaw, Centrum LIM
Route origin authorizations
A sample of 4 of this network’s 4 ROAs.
- 2a07:54c2:b00b::/48 · max length /48
- 2a0e:5140::/29 · max length /48
- 79.140.195.0/24 · max length /32
- 85.8.234.0/24 · max length /32
Upstreams
The networks that most often share an observed BGP path with AS209870.
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 3 of this network’s 3 BGP neighbours.
Reputation
19.9reputation score (NEUTRAL)
AS209870 (Cylo - Cylo Ltd, GB) has a reputation score of 50.2 (NEUTRAL).
- Threat density
- 41.9/100
- Graph metrics
- 55.0/100
- 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
- Cylo Ltd
- RIR
- RIPE
- Registered
- Thu, 24 Apr 2025 12:05:12 GMT
- Abuse contact
- abusebox@cylo.net
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS209870 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.