Robtex

Up: 139.72.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 139.72.0.0/17
Down right: 139.72.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
139.72.32.81	A	ns1.nwa.com
139.72.32.83	A	ns3.nwa.com
139.72.32.84	A+PTR	ns6.nwa.com
139.72.32.209	A	mltvacations.net
139.72.32.210	A	deltavacations.us
139.72.32.210	A	deltadreamvacations.com
139.72.32.212	A	worldagentdirect.com
139.72.40.50	PTR	www.nwa.com
139.72.56.53	A	si-apps.delta.com
139.72.56.53	A	si-icrew.delta.com
139.72.56.53	A	si-icrewmobile.delta.com
139.72.57.99	A+PTR	mspemsirptin.delta.com
139.72.57.99	A	mspemsirpt.delta.com
139.72.57.100	A+PTR	mspbdjems21out.delta.com
139.72.57.100	A	smtp.hosts.delta.com
139.72.57.101	A	smtp.hosts.delta.com
139.72.57.102	PTR	mspbdjems22out.delta.com
139.72.57.102	A	smtp.hosts.delta.com
139.72.57.103	A	smtp.hosts.delta.com
139.72.102.241	PTR	fwnetvpn.nwa.com
139.72.157.6	A+PTR	email.mltvacations.com
139.72.157.6	A	jay.mltvacations.com
139.72.157.6	A	newman.mltvacations.com
139.72.158.28	A+PTR	cpi.nwa.com
139.72.159.32	A	ns2.nwa.com
139.72.159.34	A+PTR	ns5.nwa.com
139.72.159.34	A	moon.nwa.com
139.72.159.143	A	2agw.nwa.com
139.72.159.244	A	smtp.hosts.delta.com
139.72.159.246	A	smtp.hosts.delta.com
139.72.159.248	A	smtp.hosts.delta.com
139.72.170.65	A	si-dlconnect.delta.com
139.72.170.100	A	dlconnect.delta.com
139.72.175.25	A	worldagentdirect.com
139.72.175.33	A	alitaliavacations.com
139.72.175.33	A	deltavacations.us
139.72.175.33	A	deltadreamvacations.com
139.72.182.16	A+PTR	ace.atlas.nwa.com
139.72.190.6	A	www.1-800-225-2525.com
139.72.190.13	A	j0xrws17.nwa.com
139.72.190.15	A	j0xrws19.nwa.com
139.72.190.17	A	j1xrws09.nwa.com
139.72.190.145	A	mltvacations.net
139.72.190.146	A	deltavacations.us
139.72.190.146	A	deltadreamvacations.com
139.72.190.148	A	worldagentdirect.com
139.72.194.163	A	ftweb.mesaba.com
139.72.194.181	A	colganair.com
139.72.194.181	A	www.pncl.com
139.72.194.181	A	mypinnaclebenefits.com