Autonomous System
AS20911
Last fetched
AS20911 is operated by NETSURF-AS-BG - Net-Surf.net Ltd., registered in BG, and announces 177 prefixes to 19 BGP neighbours. AS20911 has a reputation score of 11.8 (NEUTRAL); 53 of its 36,608 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 177
- BGP neighbours
- 19
- RPKI ROAs
- 164
- MOAS conflicts
- 0
- CAIDA AS-rank
- 8,404
- Customer-cone ASNs
- 2
- Facilities
- 248
- Internet exchanges
- 3
- Customer degree
- 1
- Peer degree
- 129
- Provider degree
- 5
- 45.90.90.0/24
- 45.90.90.0/23
- 45.90.91.0/24
- 46.229.192.0/24
- 46.229.192.0/23
- 46.229.193.0/24
- 46.229.194.0/24
- 46.229.195.0/24
- 46.229.196.0/24
- 46.229.197.0/24
- 46.229.196.0/22
- 46.229.198.0/24
- 46.229.199.0/24
- 46.229.192.0/20
- 46.229.200.0/24
- 46.229.201.0/24
- 46.229.200.0/22
- 46.229.202.0/24
- 46.229.203.0/24
- 46.229.204.0/24
- 46.229.205.0/24
- 46.229.206.0/24
- 46.229.207.0/24
- 78.90.248.0/24
- 78.90.249.0/24
Infrastructure presence
Facilities (248 total)
- Equinix LA1 - Los Angeles
- Equinix CH1/CH2/CH4 - Chicago
- Digital Realty NYC (60 Hudson)
- Equinix NY1 - New York, Newark
- Equinix TR1 - Toronto
- Equinix DC1-DC15,DC21-DC22 - Ashburn
- Equinix DA1 - Dallas
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Equinix SV8 - Silicon Valley, Palo Alto
- Digital Realty NYC (111 8th Ave)
- Equinix MI1 - Miami, NOTA
- NIKHEF Amsterdam
- Digital Realty London LHR20
- Telehouse - London (Docklands East)
- Digital Realty London LHR19
- Digital Realty London LON1-3
- Equinix LD8 - London, Docklands
- Telehouse - London (Docklands North)
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus
- Equinix NY9 - New York, 111 8th Avenue
- Digital Realty Frankfurt FRA1-27
- Equinix FR5 - Frankfurt, KleyerStrasse
- Equinix AM7 - Amsterdam, Kuiperberweg
- Digital Realty AMS17 - Amsterdam
- Global Switch London North
Route origin authorizations
A sample of 10 of this network’s 164 ROAs.
- 178.254.192.0/24 · max length /24
- 178.254.193.0/24 · max length /24
- 178.254.194.0/23 · max length /23
- 178.254.194.0/24 · max length /24
- 178.254.195.0/24 · max length /24
- 178.254.196.0/23 · max length /23
- 178.254.196.0/24 · max length /24
- 178.254.197.0/24 · max length /24
- 178.254.198.0/23 · max length /23
- 178.254.198.0/24 · max length /24
Upstreams
The networks that most often share an observed BGP path with AS20911.
Blast radius
- Announced IPv4 addresses
- 36,608
- Threat-listed addresses
- 53
- Threat density
- 0.1448 %
- Routed prefixes
- 177
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 19 of this network’s 19 BGP neighbours.
- COGENT-174 - Cogent Communications, LLC · AS174
- HURRICANE - Hurricane Electric LLC · AS6939
- AS8431 - TEA Ltd. · AS8431
- RETN-AS - RETN Limited · AS9002
- SGGS-AS-AP - SG.GS · AS24482
- HIVANE - Hivane Association · AS34019
- MEER-AS - meerfarbig GmbH & Co. KG · AS34549
- Servperso_Systems - Sarah Rossius trading as Servperso Systems · AS34872
- iFog-GmbH - iFog GmbH · AS34927
- Virtual Technologies & Solutions - Virtual Technologies & Solutions · AS37721
- belcloud - Belcloud LTD · AS44901
- Serverius-as - Serverius Holding B.V. · AS50673
- TELEHOUSE-AS - Telehouse EAD · AS57344
- NetIX - NetIX Communications JSC · AS57463
- SECUREBIT - Securebit AG · AS58057
- Balkan-Internet-Exchange - Balkan Internet Exchange Ltd · AS59900
- LOCIX - LOCIX LIMITED · AS206499
- gibirnet-tr - GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI · AS208972
- BIXCE - BIXCE Inc · AS401753
Reputation
11.8reputation score (NEUTRAL)
AS20911 (NETSURF-AS-BG - Net-Surf.net Ltd., BG) has a reputation score of 66.3 (NEUTRAL).
- Threat density
- 63.1/100
- 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
- Net-Surf.net Ltd.
- RIR
- RIPE
- Registered
- Mon, 04 Feb 2002 13:38:19 GMT
- Abuse contact
- abuse@net-surf.net
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS20911 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.