AS200454 TOM-AS Tomas Oliveira Valente Leite de Castro

TOM-AS Tomas Oliveira Valente Leite de Castro · registered in Portugal

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Portugal#82largest network in PT by IPv4 space, of 127 · <0.01% of PT

Rank worldwide#60,154of 79,396 networks with IPv4

IPv6258 x /483 prefixes

CountryPortugal138 ASNs registered there

Open AS200454 in ASN lookup Look up an IP in this network (23.147.168.1) All networks in Portugal

IPv4 prefixes

All 1 prefix, in address order.

23.147.168.0/24

IPv6 prefixes

All 3 prefixes.

2602:faa5::/48
2a0a:6040:aa00::/40
2a0f:b241:10::/48

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AS210374#84 FINALSPACE Pedro Direito256

AS207118#85 DIOGO Diogo Castro256

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