Autonomous System
AS21574 — AS21574 - Century Telecom Ltda(BR)
Last fetched
AS21574 is an Autonomous System operated by AS21574 - Century Telecom Ltda and registered in BR. As of Fri, 04 Sep 2026 00:56:59 GMT, it announces 7 routed IP prefixes and peers with 144 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS21574 announces 7 distinct routed prefixes. The 7-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
144 distinct peers via BGP. The first 144 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS1031 | PEER1-1031 - PEER 1031 LLC | US |
| AS12779 | ITGATE - IT.Gate S.p.A. | IT |
| AS12859 | NL-BIT - BIT BV | NL |
| AS16735 | AS16735 - ALGAR TELECOM S/A | BR |
| AS174 | COGENT-174 - Cogent Communications, LLC | US |
| AS17639 | CONVERGE-AS - Converge ICT Solutions Inc. | PH |
| AS1836 | GREEN - green.ch AG | CH |
| AS20044 | AS20044 - S/A ESTADO DE MINAS | BR |
| AS20485 | TRANSTELECOM - Joint Stock Company TransTeleCom | RU |
| AS20562 | OPEN-PEERING-AS - Broadband Hosting B.V. | NL |
| AS20764 | RASCOM-AS - CJSC RASCOM | RU |
| AS212024 | RISSON - Marc Schmitt | FR |
| AS213241 | TECHIT - TECHIT.BE SRL | BE |
| AS21433 | AccentureFSSC - Accenture UK Limited | GB |
| AS22652 | FIBRENOIRE-INTERNET - Videotron Ltee | CA |
| AS24482 | SGGS-AS-AP - SG.GS | SG |
| AS25091 | IP-Max - IP-Max SA | CH |
| AS262268 | AS262268 - MAX NET TELECOMUNICACOES | BR |
| AS262306 | AS262306 - Condax Tecnologia Ltda. | BR |
| AS262387 | AS262387 - Intermicro Ltda | BR |
| AS262566 | AS262566 - Link Sete Servicos de Internet e Redes Ltda | BR |
| AS262624 | AS262624 - INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA | BR |
| AS262663 | AS262663 - METROFLEX TELECOMUNICACOES LTDA | BR |
| AS262674 | AS262674 - Conquest Telecomunicacoes Ltda | BR |
| AS262755 | AS262755 - AONET SERVICOS DE COMUNICACAO LTDA | BR |
| AS262767 | AS262767 - Avelino e Rodrigues LTDA | BR |
| AS262895 | AS262895 - Norte Line Telecomunicacoes Ltda. | BR |
| AS262948 | AS262948 - LD Telecomunicacoes LTDA | BR |
| AS262979 | AS262979 - LINE TELECOM LTDA | BR |
| AS263277 | AS263277 - Rnet Informatica Ltda | BR |
| AS263302 | AS263302 - TORPEDOLINK TELECOM | BR |
| AS263356 | AS263356 - CNT Fiber | BR |
| AS263440 | AS263440 - WAVE UP TELECOM BRASIL LTDA - ME | BR |
| AS263444 | AS263444 - Open X Tecnologia Ltda | BR |
| AS263475 | AS263475 - Guara Digital LTDA | BR |
| AS263526 | AS263526 - NEW TECNOLOGIA DA INFORMACAO LTDA | BR |
| AS264374 | AS264374 - NCA Tecnologia Ltda | BR |
| AS264385 | AS264385 - Itop Internet e Servicos LTDA | BR |
| AS264421 | AS264421 - BrumaNet Telecom | BR |
| AS264455 | AS264455 - STAR MAN NET PROVEDORA DE INTERNET LTDA - EPP | BR |
| AS264461 | AS264461 - ADM INTERNET EIRELI | BR |
| AS264540 | AS264540 - RG Tecnologia e Telecomunicacoes Ltda | BR |
| AS265051 | AS265051 - Speed Max Provedor de Internet Wireless LTDA-ME | BR |
| AS265189 | AS265189 - Inova Fibra | BR |
| AS265424 | AS265424 - Horizontes Telecom LTDA | BR |
| AS265437 | AS265437 - INTERNET CORPORATE & SOLAR LTDA | BR |
| AS265460 | AS265460 - LUP TELECOMUNICACOES LTDA | BR |
| AS265497 | AS265497 - AltaVista Telecomunicacoes LTDA | BR |
| AS266149 | AS266149 - BDC TELECOM | BR |
| AS266163 | AS266163 - Itainet Fiber Provedor | BR |
| AS266260 | AS266260 - ITOP TELECOM LTDA - ME | BR |
| AS267008 | AS267008 - NET WAY TECNOLOGIA LTDA | BR |
| AS267070 | AS267070 - Fibranet Juiz de Fora Servicos de Telecomunicacoes | BR |
| AS267357 | AS267357 - Livenet telecom | BR |
| AS267497 | AS267497 - GL TELECOM LTDA - ME | BR |
| AS267536 | AS267536 - NetFlux Internet | BR |
| AS267549 | AS267549 - NetCOMM FIBRA | BR |
| AS267978 | AS267978 - JOTA NET TELECOMUNICACOES LTDA - ME | BR |
| AS268188 | AS268188 - ATIVA TELECOM LTDA | BR |
| AS268229 | AS268229 - VIA ONDAS TELECOMUNICACOES LTDA | BR |
| AS268327 | AS268327 - K@NET PROVEDOR DE INTERNET | BR |
| AS268355 | AS268355 - RESENDE & GONCALVES SERVICOS E INTERNET LTDA | BR |
| AS268433 | AS268433 - MGCLOUD SOLUCOES EM TIC LTDA - ME | BR |
| AS268725 | AS268725 - Planex Telecom | BR |
| AS268843 | AS268843 - CDNTV TECNOLOGIA LTDA | BR |
| AS268882 | AS268882 - Mais Rede Telecom | BR |
| AS268997 | AS268997 - FALCON INTERNET LTDA | BR |
| AS269084 | AS269084 - Global Tech Telecom Ltda - ME | BR |
| AS269199 | AS269199 - INFOTEC TELECON LTDA | BR |
| AS269248 | AS269248 - WAGNER JOSE RIBEIRO | BR |
| AS270385 | AS270385 - CONECTA - PROVEDOR DE INTERNET LTDA. | BR |
| AS270564 | AS270564 - MASTER DA WEB DATACENTER LTDA | BR |
| AS270663 | AS270663 - LM NET LTDA | BR |
| AS270837 | AS270837 - Imartech Fibra | BR |
| AS270865 | AS270865 - PW FIBRA OPTICA | BR |
| AS270897 | AS270897 - SAFE SMART TREINAMENTO CONSULTORIA E TELECOM LTDA | BR |
| AS270951 | AS270951 - PAULO MARQUES DE ARAUJO - ME | BR |
| AS271049 | AS271049 - Rede EXS Telecomunicacoes LTDA | BR |
| AS271062 | AS271062 - Nextlink telecom | BR |
| AS271072 | AS271072 - ULTRAFIBRA NET REPRESENTACOES TELECOM EIRELI | BR |
| AS271251 | AS271251 - LAR NET TELECOMUNICACOES LTDA | BR |
| AS271252 | AS271252 - BHNET FIBRA TELECOMUNICACOES LTDA | BR |
| AS271338 | AS271338 - TITAM NET TELECOM | BR |
| AS271398 | AS271398 - FACILITUDE SERVICOS DE COMUNICAO LTDA | BR |
| AS271610 | AS271610 - INFINITYCARD BRASIL LTDA | BR |
| AS271734 | AS271734 - PEOPLE SERVICOS DE COMUNICACAO LTDA | BR |
| AS272162 | AS272162 - Fibra Minas | BR |
| AS272201 | AS272201 - ACSNET TELECOM | BR |
| AS272241 | AS272241 - LIBERT TECNOLOGIA EM TELECOMUNICACOES EIRELI | BR |
| AS272454 | AS272454 - RNJ TELECOM LTDA | BR |
| AS272479 | AS272479 - LINK FIBRA TELECOM LTDA | BR |
| AS272487 | AS272487 - WAVE - FIBRA TELECOMUNICACOES LTDA | BR |
| AS272495 | AS272495 - Star Telecomunicacoes LTDA | BR |
| AS272753 | AS272753 - FASTNET FIBRA | BR |
| AS273330 | AS273330 - WDL SERVICOS DE TELECOMUNICACAO LTDA | BR |
| AS273350 | AS273350 - Gns Telecom | BR |
| AS273663 | AS273663 - NT FIBRA | BR |
| AS273714 | AS273714 - POINT NET TELECOMUNICACAO LTDA | BR |
| AS273783 | AS273783 - LS PROVEDOR DE INTERNET LTDA | BR |
| AS274672 | AS274672 - INOVANOC SOLUCOES EM SUPORTE LTDA | BR |
| AS274795 | AS274795 - Verteron Datacenter LTDA | BR |
| AS274798 | AS274798 - 1 CLICK TELECOM LTDA | BR |
| AS275646 | AS275646 - ONIX FIBRA INTERNET LTDA | BR |
| AS28175 | AS28175 - On Line Tecnologia e Integracao LTDA - EPP | BR |
| AS28188 | AS28188 - Pronto Net Ltda. | BR |
| AS28296 | AS28296 - Acessa Telecomunicacoes Ltda | BR |
| AS28572 | AS28572 - Apoiocom Digital Ltda - EPP | BR |
| AS28590 | AS28590 - Directnet Prestacao de Servicos Ltda. | BR |
| AS28660 | AS28660 - OPEN SYSTEM LTDA | BR |
| AS29075 | IELO - IELO-LIAZO SERVICES SAS | FR |
| AS29632 | NASSIST-AS - Netassist International EOOD | BG |
| AS31500 | GNM-AS - Global Network Management Inc | AG |
| AS3204 | XTOM-V-PS - xTom OU | EE |
| AS32097 | WII - WholeSale Internet, Inc. | US |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS33891 | CORE-BACKBONE - Core-Backbone GmbH | DE |
| AS34019 | HIVANE - Hivane Association | FR |
| AS34549 | MEER-AS - meerfarbig GmbH & Co. KG | DE |
| AS35280 | F5 - F5 Networks SARL | FR |
| AS35625 | EUROFIBER-FRANCE - Eurofiber France SAS | FR |
| AS37721 | Virtual Technologies & Solutions - Virtual Technologies & Solutions | BF |
| AS48362 | TKSWF-AS - Stadtwerke Feldkirch | AT |
| AS52532 | AS52532 - Speednet Telecomunicacoes Ltda ME | BR |
| AS52631 | AS52631 - As Informatica LTDA | BR |
| AS52712 | AS52712 - CONECTIVA INFORMATICA E TELECOMUNICACOES LTDA - ME | BR |
| AS52875 | AS52875 - M.I.MONTREAL INFORMATICA LTDA | BR |
| AS52907 | AS52907 - PRIME FIBRA LTDA | BR |
| AS52916 | AS52916 - Datanet Provedor de Internet Ltda | BR |
| AS52925 | AS52925 - Ascenty Data Centers e Telecomunicacoes S/A | BR |
| AS52928 | AS52928 - NORTETEL TELECOMUNICACOES LTDA | BR |
| AS52947 | AS52947 - PARAOPEBANET PROVEDOR LTDA | BR |
| AS53077 | AS53077 - ALOLTECH TELECOM LTDA | BR |
| AS53139 | AS53139 - RDF Informatica Ltda | BR |
| AS53196 | AS53196 - NETSTAR SOLUCOES LTDA | BR |
| AS56662 | EUTPNET - Marcin Gondek | PL |
| AS61707 | AS61707 - SYSVOIP TELECOMUNICACOES LTDA - ME | BR |
| AS61712 | AS61712 - YUPNET TELECOMUNICACOES LTDA | BR |
| AS61945 | AS61945 - PIX BRASIL NETWORKS LTDA | BR |
| AS6206 | NETROUTING-AS - Netrouting B.V. | NL |
| AS6939 | HURRICANE - Hurricane Electric LLC | US |
| AS7195 | AS7195 - EDGEUNO S.A.S | CO |
| AS8359 | MTS - MTS PJSC | RU |
| AS8447 | A1TELEKOM-AT - A1 Telekom Austria AG | AT |
| AS9930 | TTNET-MY - TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | MY |
Blast radius
Count of dependent hostnames if AS21574 disappeared from the routing table.
524 hostnames depend on this network.Exact count across all 7 announced prefixes. Snapshot Thu, 09 Jul 2026 14:00:52 GMT.
MOAS / hijack watch
Prefixes routed by AS21574 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 AS21574 is unique to AS21574 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS21574.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS21574"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.