Autonomous System
AS401835
Last fetched
AS401835 is operated by BCR - Brass City Residences Inc., registered in US, and announces 21 prefixes to 5 BGP neighbours. AS401835 has a reputation score of 10.2 (NEUTRAL); 0 of its 256 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 21
- BGP neighbours
- 5
- RPKI ROAs
- 10
- MOAS conflicts
- 0
- CAIDA AS-rank
- 62,215
- Customer-cone ASNs
- 1
- Facilities
- 17
- Internet exchanges
- 9
- Customer degree
- 0
- Peer degree
- 0
- Provider degree
- 2
- 23.164.72.0/24
- 2607:7640:40::/48
- 2607:7640:41::/48
- 2607:7640:46::/48
- 2607:7640:47::/48
- 2607:7640:4e::/48
- 2607:7640:4f::/48
- 2607:7640:58::/48
- 2607:7640:59::/48
- 2607:7640:5a::/48
- 2607:7640:5b::/48
- 2607:7640:6a::/48
- 2607:7640:6b::/48
- 2607:7640:6e::/48
- 2607:7640:6f::/48
- 2607:7640:74::/48
- 2607:7640:75::/48
- 2607:7640:7a::/48
- 2607:7640:7b::/48
- 2607:7640:82::/48
- 2a14:c380:325::/48
Infrastructure presence
Internet exchanges (9 total)
Facilities (17 total)
- Equinix SV1/SV5/SV10 - Silicon Valley, San Jose
- Digital Realty London LHR20
- Equinix NY2/NY4/NY5/NY6 - New York, Secaucus
- Telehouse - London (Docklands North)
- WIIT Datacenter DUS1, DUS2, DUS3, DUS4, DUS6, DUS7
- Kent Science Park
- Hurricane Electric Fremont 2
- Level(3) Kansas City
- iNTERWERK Rechenzentrum
- KoloDC NL2
- Custodian CDC Maidstone 1
- NOCIX Clay Facility
- 1530 SWIFT - NOCIX
- Equinix MT1 - Montreal
- OpenColo
- Qupra DC
- Vinters Connect
Route origin authorizations
A sample of 10 of this network’s 10 ROAs.
- 23.164.72.0/24 · max length /24
- 2602:f92a:a47f::/48 · max length /48
- 2607:7640::/40 · max length /48
- 2602:fa1c:121::/48
- 2607:7640:1::/48
- 2607:7640:8::/48
- 2607:7640:a::/48
- 2607:7640:b::/48
- 2a14:67c3:7c0::/44 · max length /48
- 2a14:c380:328::/48 · max length /48
Upstreams
The networks that most often share an observed BGP path with AS401835.
Blast radius
- Announced IPv4 addresses
- 256
- Threat-listed addresses
- 0
- Threat density
- 0.0000 %
- Routed prefixes
- 1
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 5 of this network’s 5 BGP neighbours.
- OVH - OVH SAS · AS16276
- AS-VULTR - The Constant Company, LLC · AS20473
- MOEDOVE-AS - MoeDove LLC · AS44324
- HYEHOST - HYEHOST LLC · AS47272
- QFLink-AS - XIN BING XIAN · AS199310
Reputation
10.2reputation score (NEUTRAL)
AS401835 (BCR - Brass City Residences Inc., US) has a reputation score of 69.5 (NEUTRAL).
- Threat density
- 90.0/100
- Graph metrics
- 65.0/100
- 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
- Brass City Residences Inc.
- RIR
- ARIN
- Registered
- Thu, 17 Jul 2025 16:40:36 GMT
- Abuse contact
- sunwen@recaled.com
This is the abuse contact WhisperGraph holds for the network.
Threat-feed evidence
Related pages
Pivot from AS401835 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.