AS43064 Engenharia e Construcoes, S.A.

TEIXEIRAEDUARTE-AS Teixeira Duarte - Engenharia e Construcoes, S.A. · registered in Portugal

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Portugal#106largest network in PT by IPv4 space, of 127 · <0.01% of PT

Rank worldwide#66,742of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPortugal138 ASNs registered there

Open AS43064 in ASN lookup Look up an IP in this network (192.104.37.1) All networks in Portugal

IPv4 prefixes

All 1 prefix, in address order.

192.104.37.0/24

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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