Robtex

Up: 64.246.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.246.180.0/23
Down right: 64.246.182.0/23

IP	Type	Hostname
64.246.180.21	A	www1.popcap.com
64.246.180.22	A	www2.popcap.com
64.246.180.23	A+PTR	www3.popcap.com
64.246.180.24	PTR	ipv4-64-246-180-24.greenhousedata.net
64.246.180.24	A	www4.popcap.com
64.246.180.25	A+PTR	www5.popcap.com
64.246.180.26	A+PTR	www6.popcap.com
64.246.180.27	A+PTR	www7.popcap.com
64.246.180.28	A+PTR	www8.popcap.com
64.246.180.101	A	smtp1.popcap.com
64.246.180.101	A	mc-x1.popcap.com
64.246.180.102	A+PTR	smtp2.popcap.com
64.246.180.102	A	mc-x2.popcap.com
64.246.180.110	PTR	dns.sea.popcap.com
64.246.180.111	PTR	www.popcap.com
64.246.180.112	PTR	labs.popcap.com
64.246.180.112	A	playzumablitz.com
64.246.180.112	A	www.playzumablitz.com
64.246.180.113	PTR	origin-labs.popcap.com
64.246.180.114	PTR	store.popcap.com
64.246.180.118	A+PTR	smtp.sea.popcap.com
64.246.180.118	A	mail1.popcap.com
64.246.180.222	PTR	metrics.popcap.com
64.246.180.225	PTR	ns1.popcap.com
64.246.180.234	A	mtr.popcap.com
64.246.182.1	PTR	64-246-182-1.sea.fibercloud.com
64.246.182.2	A	lists.mrelay.com
64.246.182.5	A	mail.wswc.com
64.246.182.5	A	wswc.com
64.246.182.6	A	mail.zoocrewphoto.com
64.246.182.7	PTR	64-246-182-7.sea.fibercloud.com
64.246.182.7	A	northstudio.net
64.246.182.8	PTR	64-246-182-8.sea.fibercloud.com
64.246.182.8	A	goodnightinc.com
64.246.182.11	PTR	64-246-182-11.sea.fibercloud.com
64.246.182.11	A	mail.salondivas.com
64.246.182.12	PTR	64-246-182-12.sea.fibercloud.com
64.246.182.16	PTR	64-246-182-16.sea.fibercloud.com
64.246.182.17	PTR	64-246-182-17.sea.fibercloud.com
64.246.182.17	A	mail.lontan.com
64.246.182.17	A	lontan.com
64.246.182.19	PTR	64-246-182-19.sea.fibercloud.com
64.246.182.26	PTR	64-246-182-26.sea.fibercloud.com
64.246.182.30	PTR	64-246-182-30.sea.fibercloud.com
64.246.182.31	PTR	64-246-182-31.sea.fibercloud.com
64.246.182.35	PTR	64-246-182-35.sea.fibercloud.com
64.246.182.39	PTR	64-246-182-39.sea.fibercloud.com
64.246.182.41	PTR	64-246-182-41.sea.fibercloud.com
64.246.182.44	PTR	64-246-182-44.sea.fibercloud.com
64.246.182.44	A	mail.seattleasiansportsclub.org
64.246.182.45	PTR	64-246-182-45.sea.fibercloud.com
64.246.182.47	PTR	64-246-182-47.sea.fibercloud.com
64.246.182.48	A	northwestdenture.com
64.246.182.48	A	mail123.barterbart.org
64.246.182.55	PTR	64-246-182-55.sea.fibercloud.com
64.246.182.62	PTR	64-246-182-62.sea.fibercloud.com
64.246.182.66	PTR	64-246-182-66.sea.fibercloud.com
64.246.182.71	PTR	64-246-182-71.sea.fibercloud.com
64.246.182.73	PTR	64-246-182-73.sea.fibercloud.com
64.246.182.80	A	mail.franklinalumni.net
64.246.182.83	A	mail.realestatehalifax.ca
64.246.182.83	A	www.realestatehalifax.ca
64.246.182.84	PTR	64-246-182-84.sea.fibercloud.com
64.246.182.84	A+PTR	s.fchosted.com
64.246.182.86	A	rayrephoto.com
64.246.182.86	A	mail.rayrephoto.com
64.246.182.89	PTR	obtainiumperformanceproducts.com
64.246.182.89	PTR	64-246-182-89.sea.fibercloud.com
64.246.182.94	A	*.alliedemployers.org
64.246.182.95	A	mail.seattleasianweekly.com
64.246.182.95	A	seattleasianweekly.com
64.246.182.97	PTR	rosettasolutions.com
64.246.182.100	A	ruralwireless.org
64.246.182.100	A	www.ruraltelecomgroup.org
64.246.182.107	PTR	64-246-182-107.sea.fibercloud.com
64.246.182.109	PTR	64-246-182-109.sea.fibercloud.com
64.246.182.119	A	synchronex.com
64.246.182.119	A	mail.synchronex.com
64.246.182.121	PTR	64-246-182-121.sea.fibercloud.com
64.246.182.121	A	mail.mcbreendesign.com
64.246.182.123	PTR	64-246-182-123.sea.fibercloud.com
64.246.182.123	A	mrelay.com
64.246.182.123	A	www.mrelay.com
64.246.182.127	PTR	64-246-182-127.sea.fibercloud.com
64.246.182.128	PTR	64-246-182-128.sea.fibercloud.com
64.246.182.129	PTR	64-246-182-129.sea.fibercloud.com
64.246.182.131	PTR	64-246-182-131.sea.fibercloud.com
64.246.182.137	PTR	64-246-182-137.sea.fibercloud.com
64.246.182.147	PTR	64-246-182-147.sea.fibercloud.com
64.246.182.149	PTR	64-246-182-149.sea.fibercloud.com
64.246.182.157	PTR	64-246-182-157.sea.fibercloud.com
64.246.182.160	PTR	64-246-182-160.sea.fibercloud.com
64.246.182.165	PTR	64-246-182-165.sea.fibercloud.com
64.246.182.166	PTR	64-246-182-166.sea.fibercloud.com
64.246.182.172	PTR	64-246-182-172.sea.fibercloud.com
64.246.182.177	PTR	64-246-182-177.sea.fibercloud.com
64.246.182.183	PTR	64-246-182-183.sea.fibercloud.com
64.246.182.186	PTR	64-246-182-186.sea.fibercloud.com
64.246.182.190	PTR	64-246-182-190.sea.fibercloud.com
64.246.182.192	PTR	ns1.netstorage.com
64.246.182.193	PTR	consumers.creditnet.com
64.246.182.200	PTR	64-246-182-200.sea.fibercloud.com
64.246.182.210	PTR	64-246-182-210.sea.fibercloud.com
64.246.182.214	PTR	64-246-182-214.sea.fibercloud.com
64.246.182.221	PTR	64-246-182-221.sea.fibercloud.com
64.246.182.225	PTR	64-246-182-225.sea.fibercloud.com
64.246.182.228	PTR	64-246-182-228.sea.fibercloud.com
64.246.182.238	PTR	64-246-182-238.sea.fibercloud.com
64.246.182.243	PTR	64-246-182-243.sea.fibercloud.com
64.246.183.8	A	mail.fragshack.net
64.246.183.15	A	mail.funnfoodkingdom.com
64.246.183.17	PTR	64-246-183-17.fibercloud.com
64.246.183.98	A	win4.ccom.net
64.246.183.99	A+PTR	crossfiresoccer.ccom.net
64.246.183.100	A	tuxedotech.ccom.net
64.246.183.138	PTR	mx.pointb.com
64.246.183.150	A	pointa.com
64.246.183.150	A	www.pointa.com
64.246.183.161	PTR	sptest.pointb.com
64.246.183.195	A+PTR	opticmedia.ccom.net