Robtex

Up: 216.147.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.147.12.0/25
Down right: 216.147.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.147.12.34	PTR	raiuga.com
216.147.12.37	PTR	unassigned.alabanza.com
216.147.12.38	PTR	unassigned.alabanza.com
216.147.12.38	A	www.conlegium.com
216.147.12.38	A	mail.conlegium.com
216.147.12.44	PTR	216-147-12-44.navisite.net
216.147.12.50	PTR	perfica.com.gt
216.147.12.64	A+PTR	infolaurentides.com
216.147.12.64	A	mail.infolaurentides.com
216.147.12.65	A+PTR	svistounov.com
216.147.12.65	A	mail.svistounov.com
216.147.12.65	A	sergedeart.com
216.147.12.79	PTR	churchusatoday.com
216.147.12.79	A	mail.churchusa.com
216.147.12.79	A	mail.thefamilybookstore.com
216.147.12.82	A	mail.bigoahu.com
216.147.12.82	A	bigoahu.com
216.147.12.100	PTR	off.bz
216.147.12.107	PTR	good-taste.net
216.147.12.119	PTR	carpasnuevageneracion.com.mx
216.147.12.126	A	mail.villastierrasanta.com
216.147.12.147	PTR	elamiami.com
216.147.12.161	PTR	lordmajesty.com
216.147.12.163	PTR	jeffslater.net
216.147.12.165	PTR	216-147-12-165.navisite.net
216.147.12.166	PTR	patriotsandliberty.com
216.147.12.172	PTR	gthunt.com
216.147.12.172	A	www.gthunt.com
216.147.12.172	A	mail.gthunt.com
216.147.12.186	A	support.nomonthly.com
216.147.12.192	PTR	test.com
216.147.12.193	PTR	cocom.com
216.147.12.203	A	arsak.com.ar
216.147.12.204	A	alfawebpublicidad.com.ar
216.147.12.205	PTR	ns2.hyperhosting.gr
216.147.12.211	PTR	medicid.com
216.147.12.226	PTR	unid-a.com
216.147.12.249	A	mail.torontoaces.ca
216.147.12.249	A	torontoaces.ca
216.147.12.251	PTR	iq-card.gr