Robtex

Up: 216.145.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.145.208.0/21
Down right: 216.145.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.145.208.5	PTR	ns1.adkdomain.com
216.145.208.6	PTR	ns2.adkdomain.com
216.145.208.26	A	piu-208-26.a-clickusa.com
216.145.208.27	A	piu-208-27.a-clickusa.com
216.145.208.28	A	piu-208-28.a-clickusa.com
216.145.208.38	A	piu-208-38.a-clickusa.com
216.145.208.39	A	piu-208-39.a-clickusa.com
216.145.208.40	A	piu-208-40.a-clickusa.com
216.145.208.50	A	piu-208-50.a-clickusa.com
216.145.208.51	A	piu-208-51.a-clickusa.com
216.145.208.52	A	piu-208-52.a-clickusa.com
216.145.208.74	A	piu-208-74.a-clickusa.com
216.145.208.75	A	piu-208-75.a-clickusa.com
216.145.208.88	A	mailout-208-88.mail-eagle.com
216.145.208.100	A	piu-208-100.a-clickusa.com
216.145.209.42	A	poemsnthings.com
216.145.210.14	A	mail.usacpro.com
216.145.211.6	PTR	mail.b-globalmail.com
216.145.211.9	A	spreesy-img.com
216.145.212.5	A	mailout-221-209.lanewsoffers.com
216.145.212.5	A	mailout-221-204.chictriboffers.com
216.145.212.5	A	mailout-221-210.lanewsoffers.com
216.145.213.159	A	mailout-213-159.todayspismed.com
216.145.213.198	A	mailout-213-198.akmediapartners-mail.com
216.145.213.199	A	mailout-213-199.akmediapartners-mail.com
216.145.213.200	A	mailout-213-200.akmediapartners-mail.com
216.145.213.201	A	mailout-213-201.akmediapartners-mail.com
216.145.213.208	A	mailout-213-208.akmediapartners-mail.com
216.145.213.209	A	mailout-213-209.akmediapartners-mail.com
216.145.213.210	A	mailout-213-210.akmediapartners-mail.com
216.145.213.211	A	mailout-213-211.akmediapartners-mail.com
216.145.214.3	PTR	cso-ns.com
216.145.214.95	A	mailout-214-95.hillpeakpartners.com
216.145.215.4	PTR	mail.omm-ns.com
216.145.215.229	A	mailout-215-229.pnetsolutionnews.com
216.145.216.2	PTR	mail.theresourceadvisors.com
216.145.216.8	A	mail.thequestioncity.com
216.145.217.10	A	root.dataresponsemail.com
216.145.217.10	A	www.dataresponsemail.com
216.145.217.10	A	mail.dataresponsemail.com
216.145.217.11	A	mail.dailycartns.com
216.145.218.1	PTR	208.1
216.145.218.2	PTR	208.2
216.145.219.3	A	mailout-219-3.fitesters.com
216.145.219.5	A	*.profitpump.net
216.145.219.5	A	mailout-219-5.fitesters.com
216.145.219.5	A	fga2199.profitpump.net
216.145.219.6	PTR	mail.ump-ns.com
216.145.219.25	A	mailout-219-25.fitesters.com
216.145.219.26	A	mailout-219-26.fitesters.com
216.145.219.27	A	mailout-219-27.fitesters.com
216.145.219.28	A	mailout-219-28.fitesters.com
216.145.219.32	A	mailout-219-32.fitesters.com
216.145.219.33	A	mailout-219-33.fitesters.com
216.145.219.43	A	mailout-219-43.fitesters.com
216.145.219.44	A	mailout-219-44.fitesters.com
216.145.219.48	A	mailout-219-48.fitesters.com
216.145.219.49	A	mailout-219-49.fitesters.com
216.145.219.50	A	mailout-219-50.fitesters.com
216.145.219.51	A	mailout-219-51.fitesters.com
216.145.219.70	A	mailout-219-70.fitesters.com
216.145.219.71	A	mailout-219-71.fitesters.com
216.145.219.72	A	mailout-219-72.fitesters.com
216.145.219.73	A	mailout-219-73.fitesters.com
216.145.219.80	A	mailout-219-80.fitesters.com
216.145.219.81	A	mailout-219-81.fitesters.com
216.145.219.82	A	mailout-219-82.fitesters.com
216.145.219.83	A	mailout-219-83.fitesters.com
216.145.219.96	A	mailout-219-96.fitesters.com
216.145.219.97	A	mailout-219-97.fitesters.com
216.145.220.1	A+PTR	mail.adk-ns.com
216.145.220.2	PTR	adk-ns.com
216.145.221.1	A	ns2.baronsmediamail.com
216.145.221.1	A	ns1.americanmadecompany.com
216.145.221.1	A	ns1.baronsmediamail.com
216.145.221.2	A	ns2.baronsmediamail.com
216.145.221.6	A	mailout-221-101.usaconsumerdeals.com
216.145.222.3	PTR	mail.members-benefit.com
216.145.222.5	PTR	mail.wonderagentmail.net
216.145.222.5	A	affiliate.adstation.com
216.145.222.10	A	mailout-221-127.bankanswerdeals.com
216.145.222.10	A	mailout-221-139.bankanswermail.com
216.145.222.10	A	adk-221-113.studentfinanceoffers.com
216.145.222.21	A	mailout-222-21.tribe-citiesmail.net
216.145.222.46	A	mailout-222-46.consumerreviewmail.com
216.145.222.47	A	mailout-222-47.consumerreviewmail.com
216.145.222.48	A	mailout-222-48.consumerreviewmail.com
216.145.222.49	A	mailout-222-49.consumerreviewmail.com
216.145.222.50	A	mailout-222-50.consumerreviewmail.com
216.145.222.51	A	mailout-222-51.consumerreviewmail.com
216.145.222.75	A	mailout-222-75.offsurveynews.com
216.145.222.78	A	mailout-222-78.american-familyfun.com
216.145.222.104	A	mailout-222-104.membersbenefit-mail.com
216.145.222.105	A	mailout-222-105.membersbenefit-mail.com
216.145.222.106	A	mailout-222-106.membersbenefit-mail.com
216.145.222.107	A	mailout-222-107.membersbenefit-mail.com
216.145.222.112	A	mailout-222-112.membersbenefitmail.com
216.145.222.113	A	mailout-222-113.membersbenefitmail.com
216.145.222.234	A	mailout-222-234.acmediainfo.com
216.145.223.6	PTR	223.6
216.145.223.248	A	ns1.adorca.com