Robtex

Up: 12.164.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 12.164.32.0/20
Down right: 12.164.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.164.38.4	A	mail.buyerstitle.com
12.164.38.66	A	pristinium.com
12.164.38.69	A	firmandlift.com
12.164.38.69	A	pinklotusskincare.com
12.164.38.69	A	vitalfactors.tv
12.164.40.133	A	payfpl.com
12.164.40.134	A	mail.perfectconnection.biz
12.164.40.140	A	psmail.callingcardsonline.com
12.164.40.140	A	psmail.blackstonecallingcard.com
12.164.40.162	A	ivucontrolpr.com
12.164.40.165	A	services.bstonecorp.com
12.164.40.172	A	callingcardsonline.com
12.164.40.172	A	www.callingcardsonline.com
12.164.40.196	A	blackstonestore.com
12.164.40.197	A	bstonecolocation.com
12.164.40.197	A	greenstoneworld.com
12.164.40.198	A	perfectconnection.biz
12.164.40.226	A	mialovebirds.com
12.164.40.226	A	blackstoneprepaid.com
12.164.40.226	A	www.blackstonemerchant.com
12.164.41.195	A	spam.onehope.net
12.164.41.195	A	spamc.onehope.net
12.164.41.216	A	exchange01.onehope.net
12.164.41.220	A	exchange01.bookofhope.net
12.164.42.65	A+PTR	smtp2.kaba.com
12.164.42.131	A	kbm.kaba.com
12.164.42.132	PTR	kbm.kaba.com
12.164.42.250	A+PTR	kbmns1.kbm.kaba.com
12.164.42.251	A+PTR	daffy.kbm.kaba.com
12.164.43.238	A	rhtrust.com
12.164.48.146	A	drivewaysrv1.driveway.net
12.164.49.70	A	ace-work-boots.ca
12.164.49.70	A	aceworkboots.net
12.164.49.70	A	aceworkboot.com
12.164.50.194	A	mail1.pallolaw1.com
12.164.54.35	A	mail.jajholding.com
12.164.55.51	A	volvoaeroservices.com
12.164.55.54	A	vasaeroservices.com
12.164.55.114	A	nrlkw.com
12.164.58.34	A	mail1.merlewood.com
12.164.58.41	A	merlewood.ru
12.164.58.70	PTR	mail.nicklaus.com
12.164.58.70	PTR	mail.golfmyway.info
12.164.58.70	A	gbmail.nicklaus.com
12.164.58.194	A	*.secenters.com
12.164.58.194	A	mail.secenters.com
12.164.59.242	A	mail.clearwater-leisure.com
12.164.59.242	A	mail.orialinvestment.com
12.164.59.247	A	orialgroup.com
12.164.59.247	A	gsecmail.com