AS78 BT Americas, Inc

BA-346-78 - BT Americas, Inc · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,256largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,623of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS78 in ASN lookup Look up an IP in this network (192.5.209.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

192.5.209.0/24
192.5.212.0/24
192.100.153.0/24

Other ASNs named BT Americas, Inc

1 other network uses the same organisation name; together with AS78 they announce 8,448 IPv4 addresses.

ASNNameIPv4 addresses

AS19812RADIANZ-NUTLEY - BT Americas, Inc US7,680

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400773#9253 BOSTON-FIBER - Boston Fiber LLC768

AS400806#9254 CLEARLYIP-CA - Clearly IP Inc768

AS401731#9255 ROLL-TIDE - The University of Alabama Athletics768

AS100#9257 FMC-CTC - FMC Central Engineering Laboratories768

AS188#9258 SAIC-AS-188 - SAIC768

AS558#9259 VEGANEXT - NV Next LLC768

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