AS3923 Federal Aviation Administration

FAA-MMAC - Federal Aviation Administration · registered in the United States

IPv4 addresses67,8403 prefixes · 0.002% of announced IPv4

Rank in United States#826largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,532of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3923 in ASN lookup Look up an IP in this network (152.123.8.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

152.123.8.0/21
152.123.16.0/24
162.58.0.0/16

IPv6 prefixes

All 2 prefixes.

2001:19e8:8041::/48
2606:7ec0:1903::/48

Other ASNs named Federal Aviation Administration

1 other network uses the same organisation name; together with AS3923 they announce 135,424 IPv4 addresses.

ASNNameIPv4 addresses

AS4046FAA - Federal Aviation Administration US67,584

Similar-sized networks in United States

ASNNameIPv4 addresses

AS15164#823 UPNLLC - Unite Private Networks LLC.67,840

AS33398#824 HOSTA-LAS - Miva Merchant, Inc.67,840

AS26072#825 FIRSTENERGY - FirstEnergy Corp.67,840

AS1204#827 SUNYNET-ASN-AS - The State University of New York67,840

AS11809#828 NET-ERAU-PRC - Embry-Riddle University67,840

AS16801#829 ET-NET - Energy Transfer LP67,840

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