206208 looking glass

AS21574 Century Telecom Ltda 🇧🇷 BR

Announcing 7 prefixes, seen at the RIS collectors.

IPv4 prefixes
6
13,824 (54 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
11
transit providers observed
Peers
22
settlement-free adjacencies
Downstreams
109
transit customers observed
Customer cone
198
ASes reachable through it

Registry and operator data

AS number
AS21574
Name
Century Telecom Ltda
Organisation
CENTURY TELECOM
Country
🇧🇷 BR
RIR
LACNIC
Allocated
2001-06-07
Network type
NSP
Traffic levels
50-100Gbps
Scope
South America
Peering policy
Open
IRR as-set
RADB::AS-21574-CENTURY
Website
http://www.century.net.br
PeeringDB
net/9035
Exchanges
12
Facilities
6

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 7 no ROA (100.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 72,220 2,072 643 CAIDA
AS174 Cogent Communications, LLC 🇺🇸 US 67,310 3,941 70 CAIDA
AS1031 PEER 1031 LLC 🇺🇸 US 34,438 0 892 CAIDA
AS7195 EdgeUno 🇨🇴 CO 34,143 128 4,139 CAIDA
AS16735 Algar Telecom 🇧🇷 BR 31,074 46 14 CAIDA
AS263444 Open X Tecnologia Ltda 🇧🇷 BR 21,707 11 6,222 CAIDA
AS31500 Global Network Management Inc 🇦🇬 AG 20,954 40 1 inferred
AS267613 ELETRONET S.A. 🇧🇷 BR 20,541 5 1,190 CAIDA
AS29632 Netassist International EOOD 🇧🇬 BG 43 0 439 inferred
AS56662 Marcin Gondek 🇵🇱 PL 0 0 37 inferred

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS6939 Hurricane Electric LLC 🇺🇸 US 56,494 236 1,585 CAIDA
AS35280 F5 Networks SARL 🇫🇷 FR 32,634 59 7 CAIDA
AS33891 Core-Backbone GmbH 🇩🇪 DE 28,626 1 84 CAIDA
AS20485 TransTeleCom JSC 🇷🇺 RU 28,474 85 397 CAIDA
AS37721 Virtual Technologies & Solutions 🇧🇫 BF 26,638 64 432 CAIDA
AS20764 CJSC RASCOM 🇷🇺 RU 23,730 8 18 CAIDA
AS24482 SG.GS 🇸🇬 SG 20,686 45 336 CAIDA
AS3303 Swisscom (Schweiz) AG 🇨🇭 CH 20,573 347 3 CAIDA
AS34549 meerfarbig GmbH & Co. KG 🇩🇪 DE 20,110 48 1,609 CAIDA
AS9930 TIME dotCom Bhd 🇲🇾 MY 20,072 75 1 CAIDA
AS32097 WholeSale Internet, Inc. 🇺🇸 US 19,930 43 1 CAIDA
AS17639 Converge ICT Solutions Inc. 🇵🇭 PH 243 567 522 CAIDA
AS25091 IP-Max SA 🇨🇭 CH 196 25 1 CAIDA
AS22652 Videotron Ltee 🇨🇦 CA 111 156 664 CAIDA
AS12779 IT.Gate S.p.A. 🇮🇹 IT 75 25 105 CAIDA
AS1836 green.ch AG 🇨🇭 CH 44 78 405 CAIDA
AS12859 BIT BV 🇳🇱 NL 44 70 38 CAIDA
AS34019 Hivane Association 🇫🇷 FR 39 6 443 CAIDA
AS44066 firstcolo GmbH 🇩🇪 DE 31 53 1 CAIDA
AS48362 Stadtwerke Feldkirch 🇦🇹 AT 15 8 393 CAIDA
AS212024 Marc Schmitt 🇫🇷 FR 0 1 501 CAIDA
AS213241 TECHIT.BE SRL 🇧🇪 BE 0 14 219 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS52928 Nortetel Telecomunicações LTDA 🇧🇷 BR 33 31 1,511 CAIDA
AS262663 METROFLEX TELECOMUNICACOES LTDA 🇧🇷 BR 15 96 63 CAIDA
AS61712 YUPNET TELECOMUNICAÇÕES LTDA 🇧🇷 BR 9 12 1,327 CAIDA
AS52532 Speednet Telecomunicações Ltda ME 🇧🇷 BR 7 10 222 CAIDA
AS263475 Guara Digital LTDA 🇧🇷 BR 6 7 297 CAIDA
AS52631 As Informática LTDA 🇧🇷 BR 6 5 249 CAIDA
AS273714 POINT NET TELECOMUNICAÇÃO LTDA 🇧🇷 BR 6 0 152 CAIDA
AS52875 Montreal Informatica 🇧🇷 BR 6 17 52 CAIDA
AS267549 NetCOMM FIBRA 🇧🇷 BR 6 6 34 CAIDA
AS28296 Acessa Telecomunicações Ltda 🇧🇷 BR 5 6 320 CAIDA
AS53196 NETSTAR SOLUÇÕES LTDA 🇧🇷 BR 4 17 243 CAIDA
AS271072 ULTRAFIBRA NET REPRESENTACOES TELECOM EIRELI 🇧🇷 BR 4 3 143 CAIDA
AS268355 Turbonet Minas 🇧🇷 BR 4 7 86 CAIDA
AS28188 Pronto Net Ltda. 🇧🇷 BR 4 32 16 CAIDA
AS262387 Intermicro Ltda 🇧🇷 BR 3 36 554 CAIDA
AS266260 ITOP TELECOM LTDA - ME 🇧🇷 BR 3 7 373 CAIDA
AS262566 Link Sete Servicos de Internet e Redes Ltda 🇧🇷 BR 2 9 548 CAIDA
AS267357 Livenet telecom 🇧🇷 BR 2 14 453 CAIDA
AS269084 Global Tech Telecom Ltda - ME 🇧🇷 BR 2 5 370 CAIDA
AS271062 Nextlink telecom 🇧🇷 BR 2 6 305 CAIDA
AS268229 VIA ONDAS TELECOMUNICACOES LTDA 🇧🇷 BR 2 7 291 CAIDA
AS52907 PRIME FIBRA LTDA 🇧🇷 BR 2 8 277 CAIDA
AS272487 WAVE - FIBRA TELECOMUNICACOES LTDA 🇧🇷 BR 2 0 118 CAIDA
AS273663 NT FIBRA 🇧🇷 BR 2 4 112 CAIDA
AS272479 LINK FIBRA TELECOM LTDA 🇧🇷 BR 2 0 80 CAIDA
AS275646 ONIX FIBRA INTERNET LTDA 🇧🇷 BR 2 0 64 CAIDA
AS274672 INOVANOC SOLUCOES EM SUPORTE LTDA 🇧🇷 BR 2 0 7 inferred
AS52947 PARAOPEBANET PROVEDOR LTDA 🇧🇷 BR 2 15 2 CAIDA
AS53139 RDF Informatica Ltda 🇧🇷 BR 0 32 1,125 CAIDA
AS263356 CNT Fiber 🇧🇷 BR 0 15 922 CAIDA
AS271338 TITAM NET TELECOM 🇧🇷 BR 0 7 523 CAIDA
AS263277 Rnet Informática Ltda 🇧🇷 BR 0 5 462 CAIDA
AS61707 SYSVOIP TELECOMUNICAÇÕES LTDA - ME 🇧🇷 BR 0 7 447 CAIDA
AS264421 BRUMANET LTDA 🇧🇷 BR 0 7 447 CAIDA
AS270564 MASTER DA WEB DATACENTER LTDA 🇧🇷 BR 0 18 381 CAIDA
AS262674 Conquest Telecomunicações Ltda 🇧🇷 BR 0 16 335 CAIDA
AS262624 INETSAFE COMERCIO DE EQUIPAMENTOS ELETRONICOS LTDA 🇧🇷 BR 0 27 330 CAIDA
AS269199 INFOTEC TELECON LTDA 🇧🇷 BR 0 7 303 CAIDA
AS267070 Fibranet Juiz de Fora Serviços de Telecomunicações 🇧🇷 BR 0 7 294 CAIDA
AS270897 SAFE SMART TREINAMENTO CONSULTORIA E TELECOM LTDA 🇧🇷 BR 0 5 290 CAIDA
AS265437 INTERNET CORPORATE & SOLAR LTDA 🇧🇷 BR 0 7 287 CAIDA
AS264455 STAR MAN NET PROVEDORA DE INTERNET LTDA - EPP 🇧🇷 BR 0 3 267 CAIDA
AS267008 NET WAY TECNOLOGIA LTDA 🇧🇷 BR 0 6 258 CAIDA
AS264374 NCA Tecnologia Ltda 🇧🇷 BR 0 4 258 CAIDA
AS271610 FoxFibraPRO Telecomunicações do Brasil LTDA 🇧🇷 BR 0 7 257 CAIDA
AS52712 CONECTIVA INFORMATICA E TELECOMUNICACOES LTDA - ME 🇧🇷 BR 0 7 256 CAIDA
AS273350 Gns Telecom 🇧🇷 BR 0 7 246 CAIDA
AS20044 S/A ESTADO DE MINAS 🇧🇷 BR 0 14 232 CAIDA
AS268188 ATIVA TELECOM LTDA 🇧🇷 BR 0 17 230 CAIDA
AS275684 Pontual Net Mg Telecomunica�oes LTDA 🇧🇷 BR 0 1 212 CAIDA
AS265460 LUP TELECOMUNICACOES LTDA 🇧🇷 BR 0 5 210 CAIDA
AS265051 Fibra Telecom Acesso a Internet LTDA ME 🇧🇷 BR 0 5 210 CAIDA
AS61945 PIX BRASIL NETWORKS LTDA 🇧🇷 BR 0 4 202 CAIDA
AS270837 Imartech Fibra 🇧🇷 BR 0 5 201 CAIDA
AS268882 Mais Rede Telecom 🇧🇷 BR 0 7 192 CAIDA
AS265014 GNA TELECOM LTDA - ME 🇧🇷 BR 0 5 170 CAIDA
AS270663 LM NET LTDA 🇧🇷 BR 0 6 165 CAIDA
AS274798 1 CLICK TELECOM LTDA 🇧🇷 BR 0 7 162 CAIDA
AS268725 Planex Telecom 🇧🇷 BR 0 7 145 CAIDA
AS264540 RG Tecnologia e Telecomunicações Ltda 🇧🇷 BR 0 5 141 CAIDA
AS264385 Itop Internet e Servicos LTDA 🇧🇷 BR 0 4 136 CAIDA
AS52916 Datanet Provedor de Internet Ltda 🇧🇷 BR 0 2 133 CAIDA
AS265497 AltaVista Telecomunicações do Brasil LTDA 🇧🇷 BR 0 5 122 CAIDA
AS274795 Verteron Datacenter LTDA 🇧🇷 BR 0 2 119 CAIDA
AS268997 FALCON INTERNET LTDA 🇧🇷 BR 0 6 117 CAIDA
AS267497 GL TELECOM LTDA - ME 🇧🇷 BR 0 4 114 CAIDA
AS269248 NOBREAKNET BANDA LARGA 🇧🇷 BR 0 3 109 CAIDA
AS267536 NetFlux Internet 🇧🇷 BR 0 7 103 CAIDA
AS28175 On Line Tecnologia e Integração LTDA - EPP 🇧🇷 BR 0 3 101 CAIDA
AS262306 Condax Tecnologia Ltda. 🇧🇷 BR 0 4 90 CAIDA
AS53077 ALOLTECH TELECOM LTDA 🇧🇷 BR 0 2 85 CAIDA
AS272241 LIBERT TECNOLOGIA EM TELECOMUNICACOES EIRELI 🇧🇷 BR 0 2 80 CAIDA
AS14789 Cloudflare, Inc. 🇺🇸 US 0 263 76 CAIDA
AS270951 PAULO MARQUES DE ARAUJO - ME 🇧🇷 BR 0 5 76 CAIDA
AS271049 Rede EXS Telecomunicações LTDA 🇧🇷 BR 0 4 76 CAIDA
AS265424 Horizontes Telecom LTDA 🇧🇷 BR 0 3 68 CAIDA
AS267978 JOTA NET TELECOMUNICACOES LTDA - ME 🇧🇷 BR 0 5 66 CAIDA
AS272201 ACSNET TELECOM 🇧🇷 BR 0 1 63 CAIDA
AS268433 MGCLOUD SOLUCOES EM TIC LTDA - ME 🇧🇷 BR 0 1 61 CAIDA
AS268888 ACRF SERVICOS DE INFORMATICA LTDA - ME 🇧🇷 BR 0 4 61 CAIDA
AS262268 MAX NET TELECOMUNICACOES 🇧🇷 BR 0 5 60 CAIDA
AS271398 FACILITUDE SERVICOS DE COMUNICAO LTDA 🇧🇷 BR 0 5 58 CAIDA
AS272495 Star Telecomunicações LTDA 🇧🇷 BR 0 1 58 CAIDA
AS263302 TORPEDOLINK TELECOM 🇧🇷 BR 0 8 53 CAIDA
AS262895 Norte Line Telecomunicacoes Ltda. 🇧🇷 BR 0 2 52 CAIDA
AS263440 WAVE UP TELECOM BRASIL LTDA - ME 🇧🇷 BR 0 6 45 CAIDA
AS262948 LD Telecomunicações LTDA 🇧🇷 BR 0 1 43 CAIDA
AS265183 Mundo Telecomunicações e Informatica Ltda 🇧🇷 BR 0 1 42 CAIDA
AS268843 CDNTV TECNOLOGIA LTDA 🇧🇷 BR 0 1 41 CAIDA
AS271734 Milenio Wifi 🇧🇷 BR 0 0 38 inferred
AS28590 Directnet Prestacao de Servicos Ltda. 🇧🇷 BR 0 34 34 CAIDA
AS21433 Accenture UK Limited 🇬🇧 GB 0 324 33 CAIDA
AS28572 Apoiocom Digital Ltda - EPP 🇧🇷 BR 0 13 33 CAIDA
AS266149 BDC TELECOM 🇧🇷 BR 0 2 32 CAIDA
AS270385 CONECTA - PROVEDOR DE INTERNET LTDA. 🇧🇷 BR 0 4 32 CAIDA
AS273330 Flashnet Fibra 🇧🇷 BR 0 0 32 inferred
AS273783 Ideal Internet Ltda 🇧🇷 BR 0 0 32 inferred
AS268327 K@NET PROVEDOR DE INTERNET 🇧🇷 BR 0 4 30 CAIDA
AS272753 FASTNET FIBRA 🇧🇷 BR 0 0 28 CAIDA
AS266163 Itaínet Fiber Provedor 🇧🇷 BR 0 3 22 CAIDA
AS28660 OPEN SYSTEM LTDA 🇧🇷 BR 0 3 15 CAIDA
AS262767 Avelino e Rodrigues LTDA 🇧🇷 BR 0 4 10 CAIDA
AS270865 PW FIBRA OPTICA 🇧🇷 BR 0 4 9 CAIDA
AS271488 REALDATA TELECOMUNICAÇÕES E TECNOLOGIA LTDA 🇧🇷 BR 0 7 8 CAIDA
AS272454 RNJ TELECOM LTDA 🇧🇷 BR 0 0 4 inferred
AS271252 BHNET FIBRA TELECOMUNICACOES LTDA 🇧🇷 BR 0 6 4 CAIDA
AS53052 MULTIVELOX SERVICOS DE PROVEDOR DE ACESSO A INTERN 🇧🇷 BR 0 17 1 CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.