AS10801 REGIONS FINANCIAL CORPORATION

REGIONS-ASN-1 - REGIONS FINANCIAL CORPORATION · registered in the United States

IPv4 addresses23,80817 prefixes · <0.001% of announced IPv4

Rank in United States#1,990largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,614of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS10801 in ASN lookup Look up an IP in this network (205.255.20.1) All networks in United States

IPv4 prefixes

All 17 prefixes, in address order.

205.255.20.0/22
205.255.24.0/22
205.255.32.0/22
205.255.40.0/21
205.255.48.0/21
205.255.56.0/23
205.255.60.0/22
205.255.64.0/22
205.255.80.0/22
205.255.100.0/22
205.255.104.0/23
205.255.106.0/23
205.255.108.0/22
205.255.116.0/23
205.255.118.0/24
205.255.128.0/22
205.255.224.0/19

Other ASNs named REGIONS FINANCIAL CORPORATION

1 other network uses the same organisation name; together with AS10801 they announce 25,856 IPv4 addresses.

ASNNameIPv4 addresses

AS14145REGIONS-ASN-3 - REGIONS FINANCIAL CORPORATION US2,048

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30536#1987 CCR-AS - Circle Computer Resources, Inc.23,808

AS396073#1988 MAJESTIC-HOSTING-01 - Majestic Hosting Solutions, LLC23,808

AS5133#1989 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)23,808

AS36498#1991 ACCESS-ONE-INC-AS - Access One Inc.23,808

AS215595#1992 SPARKTECH SparkTech LTD23,808

AS395437#1993 HIGHLANDTEL - Highland Communications LLC23,808

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