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Internet Service Providers in Portugal

List of the top 20 organizations with the largest IP allocations in Portugal

Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
NOS COMUNICACOES, S.A. 3,653,632 236 2 133
MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 2,235,136 1.53 x 235 4 67
Vodafone Portugal - Communicacoes Pessoais S.A. 1,240,064 1.13 x 235 1 32
4 Fundacao para a Ciencia e a Tecnologia, I.P. 331,008 232 3 61
5 NOWO COMMUNICATIONS, S.A. 328,448 232 1 82
6 ONITELECOM - INFOCOMUNICACOES, S.A. 148,224 1.13 x 236 2 47
7 AR TELECOM - Acessos e Redes de Telecomunicacoes, S.A. 75,008 232 1 6
8 NOS Madeira Comunicacoes, S.A. 70,656 232 1 10
9 INESC - Instituto de Engenharia de Sistemas e Computadores PCUP 66,816 0 1 8
10 ALMOUROLTEC SERVICOS DE INFORMATICA E INTERNET LDA 32,256 1.5 x 232 2 71
11 NOS ACORES COMUNICACOES, S.A. 29,696 235 1 5
12 Direcao Geral de Estatisticas da Educacao e Ciencia 20,480 232 1 4
13 DMNS - DOMINIOS, S.A. 9,728 232 1 14
14 SIBS Forward Payment Solutions, S.A. 8,960 0 1 4
15 EDGOO NETWORKS UNIPESSOAL LDA 8,704 1.91 x 237 4 45
16 G9Telecom S.A. 8,192 0 1 1
17 Xervers, Unipessoal Lda. 7,168 235 2 22
18 LAZER TELECOMUNICACOES S.A. 6,144 0 1 4
19 IP TELECOM, SERVICOS DE TELECOMUNICACOES S.A. 5,376 232 1 4
20 Dream Fusion - IT Services, Lda 3,328 1.06 x 236 1 10