Robtex

Up: 65.170.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 65.170.41.0/25
Down right: 65.170.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.170.41.5	A+PTR	dcfw-a-e021.wnco.com
65.170.41.20	A+PTR	old-same-as-zone.swalife.com
65.170.41.20	A+PTR	www-old.swalife.com
65.170.41.24	A+PTR	www4-pdc.swalife.com
65.170.41.28	A+PTR	www8b.swalife.com
65.170.41.30	A+PTR	www10-old.swalife.com
65.170.41.31	A+PTR	www11-old.swalife.com
65.170.41.33	A	www13-old.swalife.com
65.170.41.35	A	www15.swalife.com
65.170.41.59	A+PTR	crewweb.airtran.com
65.170.41.60	A	swab2b.com
65.170.41.68	PTR	swalife.com
65.170.41.68	A	retiree.swalife.com
65.170.41.68	A	www8.swalife.com
65.170.41.76	A+PTR	soda-aom-services.swab2b.com
65.170.41.80	A+PTR	ship.southwest.com
65.170.41.80	A+PTR	mail02-a.wnco.com
65.170.41.80	A+PTR	invoice.southwest.com
65.170.41.83	A+PTR	fopspacket.swalife.com
65.170.41.84	A+PTR	mail02-b.wnco.com
65.170.41.91	A	swajobs.com
65.170.41.91	A	www.swajobs.com
65.170.41.92	A	swasourcing.com
65.170.41.99	A+PTR	media.swalife.com
65.170.41.107	A+PTR	www15-vs1.swalife.com
65.170.41.107	A	www15.glb.swalife.com
65.170.41.179	A+PTR	swaebistraining.swab2b.com
65.170.41.180	A+PTR	swafuel.swab2b.com
65.170.41.199	A+PTR	vpn.swalife.com
65.170.41.201	A+PTR	mydesktop.swalife.com
65.170.41.201	A	mydesktop.swacorp.com
65.170.41.206	A+PTR	ftp.wnco.com
65.170.41.208	A	insideairtran.com
65.170.41.239	A+PTR	mailedgetransport.airtran.com
65.170.41.239	A	exchange2.airtran.com
65.170.41.240	A+PTR	mailedgetransport.airtran.com
65.170.41.240	A	exchange.airtran.com
65.170.41.241	A+PTR	outgoing.wnco.com
65.170.41.242	A+PTR	mail02.wnco.com
65.170.41.242	A	mail.myswa.com
65.170.41.242	A	mail.airtran.com