AS32587 Frontier Communications of America, Inc.

NCH-FTWDC-01 - Frontier Communications of America, Inc. · registered in the United States

IPv4 addresses2,0484 prefixes · <0.001% of announced IPv4

Rank in United States#6,307largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#23,169of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS32587 in ASN lookup Look up an IP in this network (50.121.66.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

50.121.66.0/23
50.121.72.0/22
50.121.76.0/24
50.121.79.0/24

Other ASNs named Frontier Communications of America, Inc.

4 other networks use the same organisation name; together with AS32587 they announce 10,847,488 IPv4 addresses.

ASNNameIPv4 addresses

AS5650FRONTIER-FRTR - Frontier Communications of America, Inc. US10,665,984

AS3593FRONTIER-EPIX - Frontier Communications of America, Inc. US175,616

AS26127FRONTIERLABRESEARCH - Frontier Communications of America, Inc. US2,816

AS7011FRONTIER-AND-CITIZENS - Frontier Communications of America, Inc. US1,024

Similar-sized networks in United States

ASNNameIPv4 addresses

AS32289#6304 SWIFT-TRANSPORTATION-CORPORATION-INC - Swift Transportation Co., LLC2,048

AS32326#6305 IDEMIA-IDENTITY-AND-SECURITY-USA-LLC - Idemia Civil Identity NA LLC2,048

AS32461#6306 ARSPL - ARE-East River Science Park, LLC2,048

AS32696#6308 TVD-EDISON-777 - Tri State Voice & Data, LLC2,048

AS32778#6309 SMART-CITY-SCCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP2,048

AS33045#6310 HGST-AS - Western Digital Corporation2,048

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