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Autonomous System

AS4230 — CLARO S.A.(BR)

Last fetched

AS4230 is an Autonomous System operated by CLARO S.A. and registered in BR. As of Thu, 21 May 2026 15:06:47 GMT, it announces 84 routed IP prefixes and peers with 411 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS4230Routing diversity9.6/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/4230

Routing footprint

AS4230 announces 84 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

411 distinct peers via BGP. The first 200 (alphabetical) are listed below.

Peer ASNOperatorCountry
AS174COGENT-174 - Cogent Communications, LLCUS
AS262781RADIOBR INTERNET LTDABR
AS262762Teleperformance CRM S.ABR
AS262757Insidesign Tecnologia Ltda EPPBR
AS262679Secretaria de Fazenda de Mato Grosso do SulBR
AS262667Tendencia Informacoes e Sistemas LtdaBR
AS262663METROFLEX TELECOMUNICACOES LTDABR
AS262651LIBnet Comunicacao Interativa LtdaBR
AS262648BRAVA TELECOMUNICACOES PONTES E LACERDA LTDA - EPPBR
AS262611Ivr informatica ltda meBR
AS262570TECNOLOGIA BANCARIA SABR
AS262565CYBER INTERNET LTDABR
AS262559Aguia Branca Participacoes LtdaBR
AS262548GETCARD PROVEDORA DE TRANSACOES ELETRONICAS LTDABR
AS262536UNIMED CAMPO GRANDE MS COOPERATIVA DE TRABALHO MEDBR
AS262518LWSA SABR
AS262513SERMA ASSOC DOS USUARIOS DE QUIP DE PROCESS DE DADBR
AS262508Global Distribuicao de Bens de Consumo LtdaBR
AS262486PRODAM Processamento de Dados Amazonas S.ABR
AS262477RAIZEN ENERGIA S.ABR
AS262462Aranet PlayBR
AS262456ELO MULTIMIDIA LTDABR
AS262426TELECOMUNICACOES RONDONOPOLIS LTDA - MEBR
AS262412AGERA TELECOMUNICACOES SABR
AS262390CESUMAR - CENTRO UNIVERSITARIO DE MARINGABR
AS262383FULL TIME GESTORA DE DADOS LTDABR
AS262366SKY SERVICOS DE BANDA LARGA LTDABR
AS262357Atento Brasil S.ABR
AS262354GIGA MAIS FIBRA TELECOMUNICACOES S.A.BR
AS262299INEXA - Flavio Jose Penso Junior - MEBR
AS262287Latitude.sh LTDABR
AS262269Caixa de Assistencia dos Servidores do Estado de MBR
AS213938SGN-BRFR
AS213241TECHITBE
AS64289MACARNE - Macarne.comUS
AS61945PIX BRASIL NETWORKS LTDABR
AS61899CERVEJARIA PETROPOLIS SABR
AS61884OLLA COMUNICACAO LTDABR
AS61883IDC CORPORATE - SOLUCOES DE DATA CENTER LTDA - EPPBR
AS61881UNIMED PORTO ALEGRE COOPERATIVA MEDICA LTDABR
AS61852Fundacao para Inovacoes Tecnologicas - FITecBR
AS61817Halley Telecom Comercio & Servico LtdaBR
AS61801Eletropaulo Metropolitana Eletric. de S. Paulo SABR
AS61795Arion Servicos de Telecomunicacoes LTDABR
AS61771JJPG - COMERCIO E SERVICOS DE INFORMATICA LTDA MEBR
AS61760JSL SABR
AS61745NBS TELECOMBR
AS61738SECRETARIA DE ESTADO DE ECONOMIA DO DF - SEECDFBR
AS61726Orixinet Telecom Ltda - EppBR
AS61678NETWAY INFORMATICA LTDABR
AS61619POSITIVO S+ SOLUCOES EM TI S.ABR
AS61588DIGITAL PROVEDOR DE ACESSO A INTERNET LTDABR
AS61572CONTROLADORIA-GERAL DA UNIAOBR
AS56655GIGAHOSTNO
AS54253ORCL-CHICAGO-PP - Oracle CorporationUS
AS53203Inst. de Tec. da Informacao e Comunicacao do ES.BR
AS53168Equatorial Energia SABR
AS53161Nexxera Tecnologia e Servicos SABR
AS53159SUPREMO TRIBUNAL FEDERALBR
AS53101SIANET Datacenter e Provedores Ltda-MEBR
AS53083C & M Software Ltda.BR
AS53027Vale SABR
AS53020IDT Brasil Telecomunicacoes Ltda.BR
AS53017REDE NOVO TEMPO DE COMUNICACAOBR
AS53007Volvo do Brasil Veiculos Ltda.BR
AS52990Vonex TelecomunicacoesBR
AS52970Iron Mountain do Brasil LTDABR
AS52956Speed Travel Comunicacao Multimidia Ltda - MEBR
AS52925Ascenty Data Centers e Telecomunicacoes SABR
AS52890Centro Integrado de Telematica do ExercitoBR
AS52885Cooperativa Central Aurora AlimentosBR
AS52844Teracom Telematica SA.BR
AS52798BANCO BTG PACTUAL S.A.BR
AS52771GIGA BYTE TELECOMUNICACOES LTDABR
AS52657NORTE TELECOMUNICACOES SERVICOS DE INTERNET LTDABR
AS52654Bi-Link TelecomBR
AS52652BENCHIMOL IRMAO & CIA LTDABR
AS52645HB Saude SABR
AS52641JAN CHARLES RUECKERT - EPPBR
AS52620BRASIL NORTE BEBIDAS SABR
AS52586AlmavivA Experience S.A.BR
AS52579TELLIUS & ALLNET TELECOMUNICACOES DAS AMERICASBR
AS52557FLYNET TELECOM LTDA - MEBR
AS52534Sociedade de Educacao Ritter dos Reis LtdaBR
AS52533TRADITIO COMPANHIA DE SEGUROSBR
AS52468UFINET PANAMA S.A.PA
AS48362TKSWF-ASAT
AS37721Virtual-Technologies-Solutions-SABF
AS37468ANGOLA-CABLESAO
AS36692CISCO-UMBRELLA - Cisco OpenDNS, LLCUS
AS35280F5FR
AS34549MEER-AS meerfarbig GmbH & Co. KGDE
AS33891CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORKDE
AS32098TRANSTELCO-INC - Transtelco IncUS
AS32097WII - WholeSale Internet, Inc.US
AS29838AMC - Atlantic Metro Communications II, Inc.US
AS29632NASSIST-ASBG
AS29390CTU-ASBG
AS28663FLYS INTERATIVA LTDABR
AS28662Sascar Tecnologia e Seguranca Automotiva SABR
AS28660OPEN SYSTEM LTDABR
AS28650Lojas Simonetti LtdaBR
AS28646CONFEDERACAO DAS COOPERATIVAS DO SICREDIBR
AS28634Life Tecnologia Ltda.BR
AS28631Banrisul - Banco do Estado do Rio Grande do SulBR
AS28624PROVEDORA CMA INTERNET LTDABR
AS28616Emp. de Informatica e Informacao do Mun. BHSABR
AS28613HUGHES TELECOMUNICACOES DO BRASIL LTDA.BR
AS28604Globo Comunicacao e Participacoes SABR
AS28602CENTRO DE PROC. DE DADOS DO ESTADO DE MATO GROSSOBR
AS28596B3 S.A. Brasil, Bolsa, BalcaoBR
AS28587RADNET SERVICOS EM TI LTDABR
AS28586BANCO BRADESCO SABR
AS28581Banco Santander Brasil S.A.BR
AS28573Claro NXT Telecomunicacoes LtdaBR
AS28369SIGNALLINK INFORMATICA LTDABR
AS28357RBS ZERO HORA EDITORA JORNALISTICABR
AS28351Claro NXT Telecomunicacoes LtdaBR
AS28332BOA VISTA SERVICOS S.A.BR
AS28323AYKO TECNOLOGIA LTDABR
AS28304Banco Safra SA.BR
AS28295Diagnosticos da America S.A.BR
AS28291MINISTERIO DA SAUDEBR
AS28283Adylnet TelecomBR
AS28275Fundacao Casper LiberoBR
AS28256HPE AUTOMOTORES DO BRASIL LTDABR
AS28253Operador Nacional do Sistema EletricoBR
AS28215Trucks Control - Servicos de Logistica LtdaBR
AS28180DIGITRO TECNOLOGIA LTDA.BR
AS28170WMB SUPERMERCADOS DO BRASIL LTDABR
AS28166Telecom South America LtdaBR
AS28159PRODERJ - Centro de Tecnologia da Informacao do RJBR
AS28151Datora Telecomunicacoes Ltda.BR
AS28121BB TECNOLOGIA E SERVICOS SABR
AS27652Claro SABR
AS26615TIM SABR
AS26363MEDTRONIC-AS-2 - Medtronic, IncorporatedUS
AS26118MINISTERIO PUBLICO DA UNIAOBR
AS25091IP-MAX IP-Max SACH
AS24961DE
AS24482SGGS-AS-AP SG.GSSG
AS23128KIRTON BANK S.A. - BANCO MULTIPLOBR
AS23106AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LTBR
AS23105BCMG INTERNET LTDABR
AS23074PETROLEO BRASILEIRO S.A. - PETROBRASBR
AS23002Telmex do Brasil Ltda.BR
AS22876JOHNSON & JOHNSON BR IND.COM.PR.SAUDE LTBR
AS22819Fundacao Universidade de Caxias do SulBR
AS22652FIBRENOIRE-INTERNET - Videotron LteeCA
AS22356Durand do Brasil LtdaBR
AS22216SIEMENS-PLM - Siemens CorporationUS
AS22085Claro SABR
AS22056SITEL-OMA - SitelUS
AS21571MLS Wireless SABR
AS21433ACCENTUREFSSC London DCGB
AS20473AS-VULTR - The Constant Company, LLCUS
AS20116CAIXA ECONOMICA FEDERALBR
AS20044SA ESTADO DE MINASBR
AS19197STEFANINI-INC - Stefanini, Inc.US
AS18434FNIS - Fidelity National Information Services, Inc.US
AS17222MUNDIVOX DO BRASIL LTDABR
AS16921INTELIGLOBE-1 - Inteliglobe USA, Inc.US
AS16735ALGAR TELECOM SABR
AS16685TIVIT TERCEIRIZACAO DE PROCESSOS, SERV. E TEC. SABR
AS16594COMPUGRAF SEGURANCA DA INFORMACAO LTDABR
AS15256Itau Unibanco S.A.BR
AS14907WIKIMEDIA - Wikimedia Foundation Inc.US
AS13830NEXRIL - PureVoltage Hosting Inc.US
AS12859NL-BIT BIT BVNL
AS12684SES-LUX-ASLU
AS10897Camara dos DeputadosBR
AS10429TELEFONICA BRASIL S.ABR
AS10362UBIK DO BRASIL SOL TECNOLOGIA LTDA.BR
AS9002RETN-ASGB
AS8359MTSRU
AS7738V talBR
AS7726FITC-AS - FedEx Internet Technologies CorporationUS
AS6939HURRICANE - Hurricane Electric LLCUS
AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.IT
AS6453AS6453 - TATA COMMUNICATIONS AMERICA INCUS
AS6253PRUASN - The Prudential Insurance Company of AmericaUS
AS6220AS6220 - inContact Inc.US
AS5772Unisys Brasil Ltda.BR
AS5666NET-CPRK - Speedcast Communications, IncUS
AS4913NET-CPRK - Speedcast Communications, IncUS
AS4868PIONEER - Pioneer Hi-Bred International, Inc.US
AS4837CHINA169-BACKBONE CHINA UNICOM China169 BackboneCN
AS3356LEVEL3 - Level 3 Parent, LLCUS
AS3303SWISSCOM Swisscom Switzerland LtdCH
AS3257GTT-BACKBONE GTTUS
AS2909CITI2 - Citigroup Inc.US
AS2716Universidade Federal do Rio Grande do SulBR
AS2631WBD-AS2631 - Discovery CommunicationsUS
AS2516KDDI KDDI CORPORATIONJP
AS1299TWELVE99 Arelion, fka Telia CarrierSE
AS1103SURFNET-NL SURFnet, The NetherlandsNL
AS1031PEER1-1031 - PEER 1031 LLCUS
AS999CORIX-999 - CORIX NETWORKSUS
AS971PUREVOLTAGE - PureVoltage Hosting Inc.US
AS701UUNET - Verizon BusinessUS

Blast radius

Approximate count of dependent hostnames if AS4230 disappeared from the routing table.

Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.

MOAS / hijack watch

Prefixes routed by AS4230 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS4230 is unique to AS4230 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS4230.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS4230"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.