Robtex

Up: 77.91.96.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.91.97.0/25
Down right: 77.91.97.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.91.97.2	A	yourphotosandwords.com
77.91.97.2	A	alllatestentertainment.com
77.91.97.2	A	popularcrowdedspots.com
77.91.97.6	A	givingsnuggle.com
77.91.97.17	PTR	77-91-97-17.umeriver.com
77.91.97.21	A+PTR	alt2.giveawch.com
77.91.97.32	A+PTR	awarpark.com
77.91.97.44	PTR	77-91-97-44.umeriver.com
77.91.97.45	A	giftourt.com
77.91.97.46	PTR	77-91-97-46.umeriver.com
77.91.97.58	A	chosltd.com
77.91.97.65	A+PTR	perfectfortheclassic.com
77.91.97.66	PTR	anonymous.prime-line.ru
77.91.97.66	A	sheerquantity.com
77.91.97.66	A	bestinsurancesideas.com
77.91.97.81	PTR	77-91-97-81.umeriver.com
77.91.97.82	A+PTR	mail2web.publating.com
77.91.97.84	A+PTR	favoirt.com
77.91.97.97	A+PTR	philalmate.com
77.91.97.110	A+PTR	providarm.com
77.91.97.120	PTR	77-91-97-120.umeriver.com
77.91.97.123	A+PTR	benevolozy.com
77.91.97.128	A	loversinyourlife.com
77.91.97.130	A+PTR	bestworkoutips.com
77.91.97.130	A	technicalanguages.com
77.91.97.130	A	enjoyincredibleviews.com
77.91.97.136	A	supporthearts.com
77.91.97.139	PTR	anonymous.prime-line.ru
77.91.97.149	A	granrm.com
77.91.97.156	PTR	77-91-97-156.umeriver.com
77.91.97.160	A	peer-technik.com
77.91.97.162	A	gionding.com
77.91.97.175	A+PTR	contrprivate.com
77.91.97.176	PTR	77-91-97-176.umeriver.com
77.91.97.177	PTR	77-91-97-177.umeriver.com
77.91.97.188	A+PTR	awatimate.com
77.91.97.191	A+PTR	reallyinterestingcharacters.com
77.91.97.194	A+PTR	morningworkoutips.com
77.91.97.194	A	besthumanahealth.com
77.91.97.194	A	immediatelyactivated.com
77.91.97.201	A	handoulonely.com
77.91.97.208	PTR	77-91-97-208.umeriver.com
77.91.97.211	PTR	77-91-97-211.umeriver.com
77.91.97.212	PTR	anonymous.prime-line.ru
77.91.97.214	A+PTR	spapid.com
77.91.97.221	PTR	anonymous.prime-line.ru
77.91.97.222	PTR	77-91-97-222.umeriver.com
77.91.97.227	PTR	77-91-97-227.umeriver.com
77.91.97.227	A	foundasingles.com
77.91.97.240	A+PTR	helusband.com
77.91.97.251	PTR	77-91-97-251.umeriver.com
77.91.97.252	A	ns1.icebergcakes.com
77.91.97.252	A	ns1.healthcaresmanagement.com
77.91.97.253	A	ns2.icebergcakes.com
77.91.97.253	A	blstment.com
77.91.97.253	A	ns2.healthcaresmanagement.com