Robtex

Up: 63.144.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 63.144.240.0/25
Down right: 63.144.240.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.144.240.9	A+PTR	63-144-240-9.dia.static.qwest.net
63.144.240.23	A+PTR	63-144-240-23.dia.static.qwest.net
63.144.240.34	A+PTR	63-144-240-34.dia.static.qwest.net
63.144.240.38	A+PTR	63-144-240-38.dia.static.qwest.net
63.144.240.44	A+PTR	63-144-240-44.dia.static.qwest.net
63.144.240.44	A	rwhois1.netdirective.com
63.144.240.45	PTR	63-144-240-45.dia.static.qwest.net
63.144.240.45	A	rwhois2.netdirective.com
63.144.240.48	A+PTR	63-144-240-48.dia.static.qwest.net
63.144.240.54	PTR	63-144-240-54.dia.static.qwest.net
63.144.240.64	A+PTR	63-144-240-64.dia.static.qwest.net
63.144.240.66	PTR	63-144-240-66.dia.static.qwest.net
63.144.240.69	PTR	cp01.net-var.com
63.144.240.69	A	mail.maxqlite.com
63.144.240.69	A	mail.ospreyrx.com
63.144.240.72	PTR	mail.bathcottage.com
63.144.240.80	PTR	mail.drigrip.com
63.144.240.104	PTR	63-144-240-104.dia.static.qwest.net
63.144.240.108	A+PTR	63-144-240-108.dia.static.qwest.net
63.144.240.117	A+PTR	63-144-240-117.dia.static.qwest.net
63.144.240.136	A+PTR	63-144-240-136.dia.static.qwest.net
63.144.240.150	A+PTR	63-144-240-150.dia.static.qwest.net
63.144.240.152	A+PTR	63-144-240-152.dia.static.qwest.net
63.144.240.171	A+PTR	63-144-240-171.dia.static.qwest.net
63.144.240.172	A+PTR	63-144-240-172.dia.static.qwest.net
63.144.240.176	A+PTR	63-144-240-176.dia.static.qwest.net
63.144.240.208	A+PTR	63-144-240-208.dia.static.qwest.net
63.144.240.210	A+PTR	63-144-240-210.dia.static.qwest.net
63.144.240.217	A+PTR	63-144-240-217.dia.static.qwest.net
63.144.240.220	A+PTR	63-144-240-220.dia.static.qwest.net
63.144.240.229	PTR	mail.fdfmail.com
63.144.240.241	A+PTR	63-144-240-241.dia.static.qwest.net
63.144.240.243	A+PTR	63-144-240-243.dia.static.qwest.net