AS36488 Southwest Airlines Co.

SWA-INET - Southwest Airlines Co. · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,678largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#44,299of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS36488 in ASN lookup Look up an IP in this network (12.191.17.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

12.191.17.0/24
65.170.41.0/24
208.94.154.0/24

Other ASNs named Southwest Airlines Co.

2 other networks use the same organisation name; together with AS36488 they announce 1,792 IPv4 addresses.

ASNNameIPv4 addresses

AS396173SWA-W11-MKT-INET - Southwest Airlines Co. US768

AS29816SWA-MKT-INET-2 - Southwest Airlines Co. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS36431#9675 PIH1 - PIH Health, Inc.768

AS36475#9676 ZACKS-AS-1 - Zacks Investment Research Inc.768

AS36478#9677 ALLIANTCU - Alliant Credit Union768

AS36523#9679 FCBT-AS - Farm Credit Bank of Texas768

AS36566#9680 WBAL-TV - Hearst-Argyle Television, Inc.768

AS36579#9681 WESH-TV - Hearst-Argyle Television, Inc.768

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