Robtex

Up: 64.71.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.71.96.0/22
Down right: 64.71.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.71.96.10	A+PTR	mail.sktcompanies.com
64.71.96.10	A	mail.sktventures.net
64.71.96.11	A+PTR	webmail.sktcompanies.com
64.71.96.11	A	mail.sktcompanies.com
64.71.96.17	A	ebill.sktc.net
64.71.97.1	A	3750-1.clr.sktc.net
64.71.97.6	A+PTR	ns3.sktc.net
64.71.97.10	A+PTR	maple.sktc.net
64.71.97.12	A+PTR	oak1.sktc.net
64.71.97.13	A+PTR	oak2.sktc.net
64.71.97.14	PTR	oak-old.sktc.net
64.71.97.14	A	ns2.sktc.net
64.71.97.16	A+PTR	poplar.sktc.net
64.71.97.17	A	oak-1.sktc.net
64.71.97.18	A	noc.sktc.net
64.71.97.21	A	mail.hoah.net
64.71.97.50	A	7206-1.clr.sktc.net
64.71.97.66	A	7206-2.clr.sktc.net
64.71.97.69	A	5300-2.clr.sktc.net
64.71.97.211	A+PTR	data-production.skttv.net
64.71.97.211	A+PTR	vod-production.skttv.net
64.71.97.211	A+PTR	www.skttv.net
64.71.97.213	A+PTR	www.skttv.net
64.71.97.213	A+PTR	vod-production.skttv.net
64.71.97.213	A+PTR	data-production.skttv.net
64.71.98.26	A+PTR	mail.chaseng.com
64.71.98.26	A	mailserver.chaseng.com
64.71.98.51	A	ntp.sktc.net
64.71.98.58	PTR	3660-2.clr.sktc.net
64.71.98.59	A+PTR	ntp.sktc.net
64.71.98.97	PTR	router1.neuralmatrix.org
64.71.98.98	PTR	linux.neuralmatrix.org
64.71.98.100	PTR	linux3.neuralmatrix.org
64.71.98.195	A	264exchange.usd264.org
64.71.98.197	A+PTR	apps.usd264.org
64.71.98.199	A	sms.usd264.org
64.71.98.200	PTR	sip.usd264.org
64.71.98.202	A	av.usd264.org
64.71.98.203	A	abs.usd264.org
64.71.99.92	A	5300-1.clr.64.71.99.92.clrdialup.sktc.net
64.71.99.112	A+PTR	5300-1.clr.64.71.99.112.clrdialup.sktc.net
64.71.99.179	A+PTR	5300-1.clr.64.71.99.179.clrdialup.sktc.net
64.71.102.57	PTR	3000-2.clr.64.71.102.57.clradsl.sktc.net
64.71.102.75	PTR	3000-2.clr.64.71.102.75.clradsl.sktc.net
64.71.102.75	A	fericjaggar.com
64.71.103.1	A+PTR	2611-1.clr.sktc.net
64.71.103.11	A	mail.valleystatebank.com
64.71.103.27	A	mail.deltaanalysis.com
64.71.103.95	A+PTR	cmts-1.clr.64.71.103.95.clrcable.sktc.net