AS52871 — AS52871 - TASCOM TELECOMUNICACOES LTDA

Network type: residential

AS52871 announces 25 IPv4 prefixes covering 14,592 addresses and 1 IPv6 prefixes.

About this network

AS52871 is operated by Tascom Telecomunicações Ltda.

What it's used for

• The address space carries residential fiber and DSL subscriber traffic, evidenced by reverse DNS entries such as 177-136-37-254.mgmnetfibra.com.br and 177-136-2-254.tascom.com.br.
• The AS announces 14,336 IPv4 addresses across 27 prefixes and 75 IPv6 prefixes, while maintaining 77 observed routing neighbours.
• Traffic from this network consists of end-user internet access for residential customers in Brazil, utilizing fiber and cable infrastructure.

Notable

• All sampled registrants match the AS holder, consistently listing TASCOM TELECOMUNICAÇÕES LTDA for prefixes including 177.136.32.0/21 and 201.157.200.0/21.
• The address inventory is fragmented into numerous /23 and /24 blocks within the 177.136.0.0/16 and 201.157.0.0/16 ranges, typical of a regional ISP managing subscriber pools.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 177.136.0.0/21
• 177.136.8.0/23
• 177.136.12.0/24
• 177.136.14.0/23
• 177.136.32.0/21
• 177.136.40.0/23
• 177.136.43.0/24
• 177.136.44.0/23
• 177.136.47.0/24
• 201.157.194.0/23
• 201.157.199.0/24
• 201.157.200.0/21
• 201.157.208.0/23
• 201.157.210.0/24
• 201.157.212.0/24
• 201.157.214.0/23
• 201.157.217.0/24
• 201.157.218.0/24
• 201.157.220.0/24
• 201.157.229.0/24
• 201.157.231.0/24
• 201.157.235.0/24
• 201.157.236.0/23
• 201.157.251.0/24
• 201.157.252.0/22
• 2804:870::/32

Upstream networks

• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL

Downstream networks

• AS269456 F & F COMERCIO E SERVICOS DE TELECOMUNICACAO E SEG
• AS268341 CS NET COMUNICACAO LTDA
• AS269619 NELSON NET
• AS268448 AC TELECOM - PROVEDOR DE INTERNET
• AS268477 JUNIORWEB PROVEDOR DE INTERNET E SERVICOS LIMITADA
• AS262668 Mar Provedor de Internet Ltda
• AS267210 Netsoluti Solucoes em Informatica e Internet LTDA
• AS262687 Screen Saver Informatica LTDA
• AS268797 SETE CONNECT TECNOLOGIA DA INFORMACAO
• AS200464 PAULO HENRIQUE SILVA DE OLIVEIRA
• AS272442 VOY TELECOM EIRELI
• AS267350 Go INTERNET E TELECOM LTDA ME
• AS268402 CALIFORNIA FIBRA E SOLUCOES LTDA
• AS273605 GT CONECT NETWORK TELECOMUNICACOES
• AS268261 CLAUDINEI SOUSA CERQUEIRA
• AS271688 CONECTE FIBRA TELECOMUNICACOES EIRELI
• AS28346 IB TELECOMUNICACOES LTDA
• AS268695 DIGITAL NET TELECOM
• AS266327 NCS-Fibra ( New Central Solutions )
• AS268314 EWERTON DA SILVA LOPES TELECOMUNICACOES
• AS267479 Torre das Antenas Comercio e Servicos Tecnico LTDA
• AS268336 A Froes da Mota telecomunicacoes
• AS270939 2MM2 SERVICOS DE TELECOMUNICACOES
• AS267477 ATENDNET FIBRA
• AS271457 VOLTSNET PROVEDOR COMERCIO E SERVICO LTDA ME ME

Adjacent networks

• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS3356 Level 3 Parent, LLC
• AS262668 Mar Provedor de Internet Ltda
• AS269456 F & F COMERCIO E SERVICOS DE TELECOMUNICACAO E SEG
• AS268341 CS NET COMUNICACAO LTDA
• AS269619 NELSON NET
• AS268448 AC TELECOM - PROVEDOR DE INTERNET
• AS268477 JUNIORWEB PROVEDOR DE INTERNET E SERVICOS LIMITADA
• AS267210 Netsoluti Solucoes em Informatica e Internet LTDA
• AS268797 SETE CONNECT TECNOLOGIA DA INFORMACAO
• AS262687 Screen Saver Informatica LTDA
• AS200464 PAULO HENRIQUE SILVA DE OLIVEIRA
• AS273605 GT CONECT NETWORK TELECOMUNICACOES
• AS272442 VOY TELECOM EIRELI
• AS267350 Go INTERNET E TELECOM LTDA ME
• AS268402 CALIFORNIA FIBRA E SOLUCOES LTDA
• AS6939 Hurricane Electric LLC
• AS268261 CLAUDINEI SOUSA CERQUEIRA
• AS271688 CONECTE FIBRA TELECOMUNICACOES EIRELI
• AS28346 IB TELECOMUNICACOES LTDA
• AS266327 NCS-Fibra ( New Central Solutions )
• AS268314 EWERTON DA SILVA LOPES TELECOMUNICACOES
• AS268695 DIGITAL NET TELECOM
• AS267479 Torre das Antenas Comercio e Servicos Tecnico LTDA
• AS270939 2MM2 SERVICOS DE TELECOMUNICACOES

Routing security

• RPKI: 141 valid, 0 invalid and 0 not-found announcements; 34 ROAs.
• ASPA: 2 authorised providers.
• IRR: 32% of announcements registered; 92 route objects.
• Listed in as-sets: AS-18881-CUSTOMERS1, AS-28124, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-CN2, AS-CTBC-CUSTOMERS31, AS-CTBC-CUSTOMERS75, AS-CTBC-TOOLS-9, AS-DIVIVOX, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-FORTEL-CUSTOMERS, AS-HENET-CLIENTES, AS-HUGENET-CUSTOMERS, AS-HWNG-DOWNSTREAMS, AS-LOCAWEB-ALLIN-CUSTOMERS, AS-MEGATELECOM-CUSTOMERS, AS-SAMM, AS-SET-AS52871, AS-TASCOM-52871, AS264409:AS-CONE, AS3491:AS-CUSTOMERS-NA, AS52873:AS-API, AS52873:AS-TRANSIT, AS61568:AS-ALOO-TELECOM.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• IX.br (PTT.br) Salvador — Salvador, Brazil
• IX.br (PTT.br) Feira de Santana — Feira De Santana, Brazil