AS40631 Mastec, Inc

MASTEC-PRIVATE - Mastec, Inc · registered in the United States

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in United States#7,087largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#26,742of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40631 in ASN lookup Look up an IP in this network (12.129.82.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

12.129.82.0/24
12.151.55.0/24
63.160.168.0/22

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AS40760#7089 FWB-ALASKA-2 - TelAlaska1,536

AS40766#7090 EQUINOX-PAYMENTS - Equinox Payments1,536

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