Robtex

Up: 72.46.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.46.64.0/22
Down right: 72.46.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.46.64.71	A	www.majesco.net
72.46.64.71	A	scifiheroes.com
72.46.64.71	A	miniputtpark.com
72.46.64.130	A+PTR	gatekeeper.macross.com
72.46.64.130	A	ns3.macross.com
72.46.64.131	A	als-live.com
72.46.64.131	A	tightcrew.tv
72.46.64.133	PTR	vmx2.macross.com
72.46.64.146	A	namestream-1.macross.com
72.46.64.151	A	fw2a.macross.com
72.46.64.164	A	anubis.macross.com
72.46.64.164	A	mx2.intap.net
72.46.64.164	A	anubis.registrationtek.com
72.46.64.173	A	satforums.net
72.46.64.173	A	ns1.zcastlive.net
72.46.64.173	A	www.satforums.net
72.46.64.177	A+PTR	webhost2.zcastlive.net
72.46.64.177	A	mx2.zcastlive.net
72.46.64.177	A	ns2.zcastlive.net
72.46.64.178	PTR	ssl1-webhost2.zcastlive.net
72.46.64.178	A	zcastlive.com
72.46.64.186	PTR	ssl3-webhost2.zcastlive.net
72.46.64.186	A	diveonit.com
72.46.64.187	A	www.diveonit.com
72.46.64.249	PTR	xo-gw.macross.com
72.46.65.3	A+PTR	carbon.intap.net
72.46.65.3	A	host01.registrationtek.com
72.46.65.3	A	mx1.intap.net
72.46.65.5	PTR	www.registrationtek.com
72.46.65.6	PTR	public.registrationtek.com
72.46.65.6	A	als-webhosting.com
72.46.65.6	A	namestream.com
72.46.65.8	A	pwrsx2.registrationtek.com
72.46.65.9	A	pwrsx3.registrationtek.com
72.46.65.10	A+PTR	vm02.bostcolo.com
72.46.65.10	A	pwrsx4.registrationtek.com
72.46.65.20	A	nsp3.registrationtek.com
72.46.65.29	A	nsp4.registrationtek.com
72.46.65.29	A	ns3.pimc.com
72.46.65.34	A	squid.registrationtek.com
72.46.65.35	A+PTR	prod01.registrationtek.com
72.46.65.35	A	namestream.com
72.46.65.35	A	regtek.com
72.46.65.38	PTR	prod02.registrationtek.com
72.46.65.41	A	prod05.registrationtek.com
72.46.65.42	A+PTR	prod06.registrationtek.com
72.46.65.42	A	www.cralri.com
72.46.65.42	A	cralri.com
72.46.65.43	PTR	host03.registrationtek.com
72.46.65.48	A	whois.registrationtek.com
72.46.65.51	A+PTR	mail.registrationtek.com
72.46.65.53	A+PTR	test1.registrationtek.com
72.46.65.55	A	test3.registrationtek.com
72.46.65.64	A+PTR	mail.archer.net
72.46.65.65	A	rtvm01.registrationtek.com
72.46.65.65	A	whois.savemorenames.com
72.46.65.66	A	rtvm01-mgt.registrationtek.com
72.46.65.102	A+PTR	mail4.registrationtek.com
72.46.65.103	A+PTR	mail5.registrationtek.com
72.46.65.104	A+PTR	mail6.registrationtek.com
72.46.65.111	A+PTR	dns1.registrationtek.com
72.46.65.111	A	dns.intap.net
72.46.65.113	PTR	dns4.registrationtek.com
72.46.65.131	PTR	ns1.turbochargedwebhosting.com
72.46.65.132	PTR	ns2.turbochargedwebhosting.com
72.46.65.244	A	www.sweetmem.com
72.46.65.244	A	torus.rossi.us
72.46.65.244	A	ns.someeasy.com
72.46.65.250	A	ontargetmarine.com
72.46.65.253	PTR	ns.servercity.com
72.46.66.32	A	test2.registrationtek.com