A list of all Portugal ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS29673 | Government | 1 | 0 | Imprensa Nacional-Casa da Moeda, S.A. |
| AS31401 | ISP & Mobile | 1 | 0 | Credito Agricola Servicos - Centro de Servicos Partilhados,ACE |
| AS31497 | Government | 1 | 0 | Comissao do Mercado de Valores Mobiliarios |
| AS33813 | Other Business | 1 | 0 | COFIDIS |
| AS34873 | Government | 1 | 0 | ACSS - Administracao Central do Sistema de Saude, I.P. |
| AS35757 | Other Business | 1 | 0 | Gotelecom, S.A. |
| AS35822 | Government | 1 | 0 | CEGER |
| AS38993 | Other Business | 1 | 0 | Renova-Fabrica de Papel do Almonda S.A. |
| AS41159 | Government | 1 | 0 | INSTITUTO DA MOBILIDADE E DOS TRANSPORTES TERRESTRES I.P |
| AS41345 | Other Business | 1 | 0 | Visabeira PRO SA |
| AS41708 | Other Business | 1 | 0 | Banco Credibom S.A. |
| AS43062 | Other Business | 1 | 0 | Polska Agencja Prasowa SA |
| AS43064 | Other Business | 1 | 0 | Teixeira Duarte - Engenharia e Construcoes, S.A. |
| AS43643 | Other Business | 1 | 0 | Transportes Aereos Portugueses SA |
| AS44055 | Other Business | 1 | 0 | Gotelecom, S.A. |
| AS44785 | Other Business | 1 | 0 | Robot Telecomunicacoes Projectos e Servicos Lda |
| AS47310 | Government | 1 | 0 | CIMAL - Comunidade Intermunicipal do Alentejo Litoral |
| AS50028 | Other Business | 1 | 0 | EDGOO NETWORKS UNIPESSOAL LDA |
| AS51512 | Other Business | 1 | 0 | DIGITALSIGN - CERTIFICADORA DIGITAL S.A. |
| AS59528 | Other Business | 1 | 0 | EG PORTUGAL, SOCIEDADE UNIPESSOAL, LDA |
| AS59690 | Government | 1 | 0 | Camara Municipal de Lisboa |
| AS8609 | Education | 1 | 0 | Universidade Catolica Portuguesa |
| AS9118 | Other Business | 1 | 0 | Novo Banco, S.A. |
| AS209968 | Hosting Provider | 0 | 20 | Kew Solutions Unipessoal Lda |
| AS47787 | Other Business | 0 | 4 | EDGOO NETWORKS UNIPESSOAL LDA |
| AS215153 | Other Business | 0 | 2 | Silvio Gabriel Neto da Silva |
| AS52042 | Hosting Provider | 0 | 2 | Kew Solutions Unipessoal Lda |
| AS201238 | Other Business | 0 | 1 | Antonio Carlos Correia da Silva |
| AS202981 | Other Business | 0 | 1 | TOTALMOBRAND SA |
| AS207118 | Other Business | 0 | 1 | Diogo Castro |
| AS209357 | Other Business | 0 | 1 | Tiago Antunes Afonso Dias |
| AS213367 | Other Business | 0 | 1 | IGOR BISSOLI ZULCAO |
| AS214212 | Other Business | 0 | 1 | ZKZ Ventures LDA |
| AS214938 | Other Business | 0 | 1 | Jose Miguel Dias Valdiviesso Alves |
| AS47943 | Other Business | 0 | 1 | EDGOO NETWORKS UNIPESSOAL LDA |