AS28166 Telecom South America Ltda

AS28166 - Telecom South America Ltda · registered in Brazil

IPv4 addresses40,96040 prefixes · 0.001% of announced IPv4

Rank in Brazil#77largest network in BR by IPv4 space, of 7,969 · 0.05% of BR

Rank worldwide#4,273of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBrazil8,771 ASNs registered there

Open AS28166 in ASN lookup Look up an IP in this network (177.46.128.1) All networks in Brazil

IPv4 prefixes

All 40 prefixes, in address order.

177.46.128.0/21
177.46.136.0/22
177.46.140.0/22
177.46.144.0/20
177.46.160.0/23
177.46.162.0/23
177.46.164.0/23
177.46.166.0/24
177.46.167.0/24
177.46.168.0/24
177.46.169.0/24
177.46.170.0/23
177.46.172.0/22
177.46.176.0/23
177.46.178.0/24
177.46.179.0/24
177.46.180.0/22
177.46.184.0/21
177.46.192.0/23
177.46.194.0/23
177.46.196.0/22
177.46.200.0/22
177.46.204.0/24
177.46.205.0/24
177.46.206.0/23
177.46.208.0/21
177.46.216.0/22
177.46.220.0/23
177.46.222.0/24
177.46.223.0/24
177.46.224.0/19
187.63.128.0/21
187.63.136.0/22
187.63.140.0/23
187.63.142.0/23
200.236.208.0/22
200.236.212.0/24
200.236.213.0/24
200.236.214.0/23
200.236.216.0/21

IPv6 prefixes

All 1 prefix.

2804:61c::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS11432#74 AS11432 - Telium Telecomunicacoes Ltda43,776

AS28329#75 AS28329 - SAMM TECNOLOGIA E TELECOMUNICACOES S.A43,008

AS61832#76 AS61832 - DB3 SERVICOS DE TELECOMUNICACOES S.A40,960

AS262673#78 AS262673 - VERO S.A40,960

AS268976#79 AS268976 - Weclix Telecom S/A40,704

AS28658#80 AS28658 - Gigalink de Nova Friburgo Solucoes em Rede Multimi39,936

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources