AS29816 Southwest Airlines Co.

SWA-MKT-INET-2 - Southwest Airlines Co. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,936largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#65,069of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS29816 in ASN lookup Look up an IP in this network (208.94.155.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

208.94.155.0/24

Other ASNs named Southwest Airlines Co.

2 other networks use the same organisation name; together with AS29816 they announce 1,792 IPv4 addresses.

ASNNameIPv4 addresses

AS36488SWA-INET - Southwest Airlines Co. US768

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

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AS29821#14938 EFCU-INET - Elevations Credit Union256

AS29824#14939 APPFO-SB - Appfolio, Inc.256

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