AS397900 FirstDay Foundation

FIRSTDAY - FirstDay Foundation · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#12,387largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#58,370of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397900 in ASN lookup Look up an IP in this network (67.218.14.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

67.218.14.0/24
148.59.25.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397887#12384 HOSTMYCALLS-01 - HostMyCalls512

AS397892#12385 REXELUSA - Rexel512

AS397893#12386 OTZ-1 - OTZ Telecommunications, LLC512

AS397925#12388 REDEYE-ATL-DC2 - RedEye Network Solutions LLC512

AS397932#12389 NYSA-ASN - New York State Assembly512

AS397937#12390 TGNA-WTHR - TEGNA Inc.512

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