Robtex

Up: 77.91.96.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.91.96.0/25
Down right: 77.91.96.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.91.96.3	A	fewhesitates.com
77.91.96.3	A	theentireprojects.com
77.91.96.3	A	figuringoutrelationships.com
77.91.96.6	A	suppce.com
77.91.96.8	PTR	anonymous.prime-line.ru
77.91.96.19	A	bestwaaster.com
77.91.96.32	A	gifuggle.com
77.91.96.45	A	handoet.com
77.91.96.51	PTR	anonymous.prime-line.ru
77.91.96.58	PTR	anonymous.prime-line.ru
77.91.96.58	A	providede.com
77.91.96.66	A	computersanalog.com
77.91.96.66	A	relatedadaptations.com
77.91.96.66	A	toponlineinsurances.com
77.91.96.71	A	supplyourt.com
77.91.96.84	A	vestarts.com
77.91.96.85	PTR	anonymous.prime-line.ru
77.91.96.93	PTR	anonymous.prime-line.ru
77.91.96.103	A+PTR	connect.spuple.com
77.91.96.107	A+PTR	mail-merge.spuple.com
77.91.96.110	PTR	anonymous.prime-line.ru
77.91.96.110	A	gratuitcozy.com
77.91.96.123	A	handoutch.com
77.91.96.129	A	inherenttransparencies.com
77.91.96.129	A	natureacrossspecies.com
77.91.96.129	A	everydaypastimes.com
77.91.96.136	A	veuggle.com
77.91.96.149	A	donoyou.com
77.91.96.162	PTR	anonymous.prime-line.ru
77.91.96.162	A	endopell.com
77.91.96.164	PTR	anonymous.prime-line.ru
77.91.96.175	A	favoet.com
77.91.96.188	A	supporchat.com
77.91.96.192	A	clarificationrules.com
77.91.96.192	A	graphicalprocessor.com
77.91.96.192	A	entertainmentasks.com
77.91.96.199	PTR	anonymous.prime-line.ru
77.91.96.201	A	gratuartner.com
77.91.96.210	A+PTR	mail.gratuartner.com
77.91.96.222	A+PTR	imap.legapair.com
77.91.96.225	PTR	anonymous.prime-line.ru
77.91.96.227	A	abundanate.com
77.91.96.230	PTR	anonymous.prime-line.ru
77.91.96.240	A	aidsnuggle.com
77.91.96.241	PTR	anonymous.prime-line.ru
77.91.96.252	A	ns1.gasesmixtures.com
77.91.96.253	A	foundaingle.com
77.91.96.253	A	ns2.gasesmixtures.com
77.91.96.255	PTR	anonymous.prime-line.ru