AS16505 HTF

HTF-FREDERICK - HTF · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,111largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#63,765of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS16505 in ASN lookup Look up an IP in this network (67.221.243.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

67.221.243.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS16434#14108 HCM - Hitachi Cable Manchester, INC256

AS16470#14109 WINGNET-AS1 - WingNET Internet Services256

AS16480#14110 FHMI - FLOYD HEALTHCARE MANAGEMENT, INC.256

AS16508#14112 DESMOND - AEG256

AS16515#14113 ALTAVISTA - Yahoo Holdings Inc.256

AS16517#14114 LEEPROCESS - LEE & ASSOCIATES LLC256

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