Autonomous System
AS28370
Last fetched
AS28370 is operated by AS28370 - GUIFAMI Informatica Ltda., registered in BR, and announces 27 prefixes to 22 BGP neighbours. AS28370 has a reputation score of 14.0 (NEUTRAL); 8 of its 9,216 announced IPv4 addresses appear on threat feeds.
Nutrition Label
Routing footprint
- Announced prefixes
- 27
- BGP neighbours
- 22
- RPKI ROAs
- 78
- MOAS conflicts
- 0
- CAIDA AS-rank
- 1,658
- Customer-cone ASNs
- 20
- Facilities
- 37
- Internet exchanges
- 3
- Customer degree
- 17
- Peer degree
- 27
- Provider degree
- 5
- 45.172.144.0/24
- 45.172.144.0/23
- 45.172.145.0/24
- 45.172.144.0/22
- 45.172.146.0/24
- 45.172.146.0/23
- 187.45.144.0/20
- 187.45.152.0/24
- 187.45.152.0/23
- 187.45.153.0/24
- 187.45.152.0/22
- 187.45.154.0/23
- 187.45.152.0/21
- 187.45.156.0/23
- 187.45.156.0/22
- 187.45.158.0/23
- 189.84.144.0/22
- 189.84.144.0/21
- 189.84.144.0/20
- 189.84.152.0/22
- 189.84.152.0/21
- 189.84.156.0/23
- 189.84.157.0/24
- 189.84.156.0/22
- 189.84.158.0/23
Infrastructure presence
Internet exchanges (3 total)
Facilities (37 total)
- Equinix SP4 - São Paulo
- PIX Telium
- Cirion Sao Paulo - SAO1
- PIX Samm Florida
- Equinix SP2 - São Paulo
- TIVIT Sao Paulo
- PIX ALGAR-VRAO
- Equinix SP1 - São Paulo
- Eletronet - Sao Paulo
- Data Center ASAP SP1
- NIC-NU (Nações Unidas)
- NIC-JD (João Dias)
- ODATA DC SP01
- Sba Edge Sao Paulo
- Equinix SP3 - São Paulo
- BR.Digital São Paulo (SPO1)
- Scala Data Centers SGRUTB01
- Ascenty SPO02 - São Paulo
- Ascenty VIN01 - Vinhedo
- Elea SPO1 - São Paulo
- PIX Embratel SP
- PIX Vero
- PIX Tim
- PIX Telefonica-JD
- PIX ALGAR-CENESP
Route origin authorizations
A sample of 10 of this network’s 78 ROAs.
- 187.45.144.0/20 · max length /20
- 187.45.144.0/21 · max length /21
- 187.45.144.0/22 · max length /22
- 187.45.144.0/23 · max length /23
- 187.45.144.0/24 · max length /24
- 187.45.145.0/24 · max length /24
- 187.45.146.0/23 · max length /23
- 187.45.146.0/24 · max length /24
- 187.45.147.0/24 · max length /24
- 187.45.148.0/22 · max length /22
Upstreams
The networks that most often share an observed BGP path with AS28370.
Blast radius
- Announced IPv4 addresses
- 9,216
- Threat-listed addresses
- 8
- Threat density
- 0.0868 %
- Routed prefixes
- 25
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 22 of this network’s 22 BGP neighbours.
- PEER1-1031 - PEER 1031 LLC · AS1031
- LEVEL3 - Level 3 Parent, LLC · AS3356
- HURRICANE - Hurricane Electric LLC · AS6939
- AS28657 - MD Brasil - Tecnologia da Informacao Ltda · AS28657
- Virtual Technologies & Solutions - Virtual Technologies & Solutions · AS37721
- AS53079 - MD Brasil - Tecnologia da Informacao Ltda · AS53079
- AS61708 - INFOCAT INFORMATICA LTDA · AS61708
- AS263060 - Atilio Marcos Marcari e Cia Ltda Me · AS263060
- AS263535 - REDE GLOBAL TECNOLOGIA LTDA ME · AS263535
- AS263963 - Goldweb Barretos servicos de Telecomunicacoes Ltda · AS263963
- AS264426 - VM Provedora de Internet Ltda Me · AS264426
- AS267556 - Explorer Telecom Ltda - ME · AS267556
- AS267608 - Micheleto Internet Eireli · AS267608
- AS268198 - StacaoNET Telecomunicacoes · AS268198
- AS268521 - PONTO.COM TELECOM · AS268521
- AS268624 - Gamers Club Ltda · AS268624
- AS269016 - F T L Net Provedor de Internet Ltda- ME · AS269016
- AS269168 - NEWSIGNAL INTERNET E TECNOLOGIA · AS269168
- AS270962 - NETICO TELECOMUNICACAO LTDA · AS270962
- AS271253 - LINK BRASIL TELECOMUNICACOES LTDA · AS271253
- AS272253 - FLASH PROVEDOR DE INTERNET LTDA · AS272253
- AS273514 - AMPLE SOLUCOES TECNOLOGICAS LTDA · AS273514
Reputation
14.0reputation score (NEUTRAL)
AS28370 (AS28370 - GUIFAMI Informatica Ltda., BR) has a reputation score of 61.9 (NEUTRAL).
- Threat density
- 61.2/100
- 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
- Registered to
- GUIFAMI Informática Ltda.
- RIR
- LACNIC
- Registered
- Tue, 18 Dec 2007 15:27:04 GMT
Threat-feed evidence
Related pages
Pivot from AS28370 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.