AS29003 REFERTELECOM-AS IP TELECOM, SERVICOS DE TELECOMUNICACOES S.A.

REFERTELECOM-AS IP TELECOM, SERVICOS DE TELECOMUNICACOES S.A. · registered in Portugal

IPv4 addresses5,3763 prefixes · <0.001% of announced IPv4

Rank in Portugal#23largest network in PT by IPv4 space, of 127 · 0.08% of PT

Rank worldwide#13,026of 79,396 networks with IPv4

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

CountryPortugal138 ASNs registered there

Open AS29003 in ASN lookup Look up an IP in this network (81.90.48.1) All networks in Portugal

IPv4 prefixes

All 3 prefixes, in address order.

81.90.48.0/20
185.95.220.0/22
192.162.17.0/24

IPv6 prefixes

All 1 prefix.

2a02:8f0::/32

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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