Autonomous System

AS273656

Last fetched Thu, 22 Oct 2026 13:44:06 GMT

AS273656 is operated by AS273656 - OAC TECNOLOGIA EIRELI, registered in BR, and announces 10 prefixes to 4 BGP neighbours. AS273656 has a reputation score of 14.4 (NEUTRAL); 0 of its 2,048 announced IPv4 addresses appear on threat feeds.

Nutrition Label

Routing footprint

Announced prefixes: 10
BGP neighbours: 4
RPKI ROAs: 2
MOAS conflicts: 7
CAIDA AS-rank: 12,833
Customer-cone ASNs: 2
Facilities: 48
Internet exchanges: 3
Customer degree: 1
Peer degree: 25
Provider degree: 2

Route origin authorizations

A sample of 2 of this network’s 2 ROAs.

154.216.129.0/24 · max length /24
154.216.130.0/24 · max length /24

Upstreams

The networks that most often share an observed BGP path with AS273656.

AS34549 · 3 shared paths
AS215510 · 2 shared paths
AS31543 · 2 shared paths
AS61832 · 2 shared paths
AS49432 · 2 shared paths

Blast radius

Announced IPv4 addresses: 2,048
Threat-listed addresses: 0
Threat density: 0.0000 %
Routed prefixes: 9

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 4 of this network’s 4 BGP neighbours.

HURRICANE - Hurricane Electric LLC · AS6939
AS61832 - DB3 SERVICOS DE TELECOMUNICACOES S.A · AS61832
AS263859 - Prefeitura Municipal de Parauapebas · AS263859
AS264525 - Coelho Tecnologia · AS264525

MOAS / hijack watch

7 announced prefixes conflict with AS273656 — another network announces the same address space. A sample:

Reputation

14.4reputation score (NEUTRAL)

AS273656 (AS273656 - OAC TECNOLOGIA EIRELI, BR) has a reputation score of 61.3 (NEUTRAL).

Threat density: 66.5/100
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: OAC TECNOLOGIA EIRELI
RIR: LACNIC
Registered: Mon, 19 Dec 2022 13:20:36 GMT

Threat-feed evidence

Pivot from AS273656 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, ixpCount

Run 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, observations