Robtex

Up: 72.8.160.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 72.8.160.0/24
Down right: 72.8.161.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.8.160.10	PTR
72.8.160.10	A	opame.org
72.8.160.69	A	backdo0r.info
72.8.160.78	PTR	no.one.respect.the.flirters.pl
72.8.160.78	A	kthxx.org
72.8.160.81	PTR	my.purehatred.pl
72.8.160.83	A+PTR	fsck.y-0-u.org
72.8.160.85	PTR	b1tch.in.lov3.org
72.8.160.85	A	www.kill3rs.net
72.8.160.88	PTR	has.a.personal.drugdeal3r.org
72.8.160.94	PTR	drop.dead.kthxx.org
72.8.160.99	A+PTR	sharp.sh00ter.org
72.8.160.102	PTR	hack3rs.pl
72.8.160.102	A	www.kthxx.org
72.8.160.111	A+PTR	nted.info
72.8.160.112	PTR	you.have.been.a-killed.com
72.8.160.117	A+PTR	blind.lov3.org
72.8.160.126	PTR
72.8.160.126	A	ns1.wifileb.com
72.8.160.148	A	master.please.bot-master.us
72.8.160.168	A	proud.of.my.stable-network.net
72.8.160.169	A	walkin.on.eggshells.us
72.8.160.171	A	only.stable.botshells.us
72.8.160.200	A	been.drinking.hateraid.net
72.8.160.227	A	ice.uplinkcorp.net
72.8.160.244	A+PTR	irc2.diverguy.net
72.8.160.247	A	top-secret.digital-girl.info
72.8.161.2	PTR	ns231.dnsever.com
72.8.161.3	PTR	ns11.dnsever.com
72.8.161.4	PTR	ns12.dnsever.com
72.8.161.4	A	ns4.dnsever.com
72.8.161.5	PTR	ns133.dnsever.com
72.8.161.6	PTR	ns14.dnsever.com
72.8.161.6	A	ns6.dnsever.com
72.8.161.7	PTR	ns15.dnsever.com
72.8.161.8	PTR	ns16.dnsever.com
72.8.161.9	PTR	ns17.dnsever.com
72.8.161.10	PTR	ns18.dnsever.com
72.8.161.11	PTR	ns19.dnsever.com
72.8.161.11	A	ns11.daup.kr
72.8.161.11	A	ns.daup.kr
72.8.161.12	PTR	ns20.dnsever.com
72.8.161.13	PTR	ns21.dnsever.com
72.8.161.13	A	www.coronadns-03.com
72.8.161.13	A	www.coronadns-01.com
72.8.161.14	PTR	ns22.dnsever.com
72.8.161.15	PTR	ns23.dnsever.com
72.8.161.16	PTR	ns24.dnsever.com
72.8.161.17	PTR	ns145.dnsever.com
72.8.161.17	A	ns40001.coronadns-04.com
72.8.161.18	PTR	ns40002.coronadns-04.com
72.8.161.19	PTR	ns40003.coronadns-04.com
72.8.161.20	PTR	ns40004.coronadns-04.com
72.8.161.21	PTR	ns149.dnsever.com
72.8.161.22	PTR
72.8.161.22	A	ns502.dnsever.net
72.8.161.23	PTR	ns151.dnsever.com
72.8.161.23	A	ns503.dnsever.net
72.8.161.24	A+PTR	ns504.dnsever.net
72.8.161.25	PTR	ns153.dnsever.com
72.8.161.25	A	ns505.dnsever.net
72.8.161.26	PTR	ns506.dnsever.net
72.8.161.27	PTR	ns155.dnsever.com
72.8.161.28	PTR	ns156.dnsever.com
72.8.161.28	A	ns508.dnsever.net
72.8.161.30	PTR	ns158.dnsever.com
72.8.161.31	PTR
72.8.161.32	PTR
72.8.161.114	PTR