Robtex

Up: 77.75.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 77.75.0.0/22
Down right: 77.75.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.75.0.3	PTR	broadband-0-3.clients.extel.ru
77.75.0.12	A	web02-tip.lon.uk.voicedot.net
77.75.0.22	A	web02-tip.lon.uk.voicedot.net
77.75.0.64	PTR	broadband-0-64.clients.extel.ru
77.75.0.67	PTR	broadband-0-67.clients.extel.ru
77.75.0.105	PTR	broadband-0-105.clients.extel.ru
77.75.0.135	A	gateway.tescointernetphone.com
77.75.0.195	PTR	broadband-0-195.clients.extel.ru
77.75.0.205	A	mail.nppmera.ru
77.75.0.242	PTR	broadband-0-242.clients.extel.ru
77.75.1.25	PTR	broadband-1-25.clients.extel.ru
77.75.1.33	PTR	broadband-1-33.clients.extel.ru
77.75.1.58	PTR	broadband-1-58.clients.extel.ru
77.75.1.98	PTR	broadband-1-98.clients.extel.ru
77.75.1.105	PTR	broadband-1-105.clients.extel.ru
77.75.1.106	PTR	broadband-1-106.clients.extel.ru
77.75.1.120	PTR	broadband-1-120.clients.extel.ru
77.75.1.121	PTR	broadband-1-121.clients.extel.ru
77.75.1.123	PTR	broadband-1-123.clients.extel.ru
77.75.1.138	PTR	broadband-1-138.clients.extel.ru
77.75.1.144	PTR	broadband-1-144.clients.extel.ru
77.75.1.147	PTR	broadband-1-147.clients.extel.ru
77.75.1.154	PTR	broadband-1-154.clients.extel.ru
77.75.1.160	PTR	broadband-1-160.clients.extel.ru
77.75.1.162	PTR	broadband-1-162.clients.extel.ru
77.75.1.178	A+PTR	mail.dlgrusland.ru
77.75.1.186	PTR	mx.bmw-avtoport.ru
77.75.1.190	A	mx2.mini-avtoport.ru
77.75.1.202	PTR	broadband-1-202.clients.extel.ru
77.75.1.210	PTR	broadband-1-210.clients.extel.ru
77.75.1.218	PTR	mail.bismark-trade.ru
77.75.1.227	PTR	broadband-1-227.clients.extel.ru
77.75.1.234	A+PTR	mail.sks-mo.ru
77.75.1.234	A	sks-mo.ru
77.75.2.122	A	ex.remtehmash.ru
77.75.2.166	PTR	broadband-2-166.clients.extel.ru
77.75.2.170	A	mail.mpmpapers.ru
77.75.2.218	PTR	mail.crystalteam.ru
77.75.3.34	A	mail.rigaland-hotel.ru
77.75.3.67	PTR	broadband-3-67.clients.extel.ru
77.75.3.114	A	fanfan.pro
77.75.3.114	A	mail1.fanfan.pro
77.75.3.174	A	ns2.sitnet.ru
77.75.3.195	A+PTR	gren.prioris.ru
77.75.3.204	PTR	broadband-3-204.clients.extel.ru
77.75.3.235	PTR	broadband-3-235.clients.extel.ru
77.75.3.235	A	mx1.upkvartal.ru
77.75.4.170	A+PTR	mail.tmnpo.ru
77.75.4.170	A	npotm.ru
77.75.4.170	A	mail.npotm.ru
77.75.4.219	A	mail.estet.ru
77.75.4.220	A+PTR	exchange.estet.ru
77.75.4.221	A	mail.coldnet.ru
77.75.4.221	A	coldnet.ru
77.75.5.18	PTR	tvarm.ru
77.75.5.19	PTR	broadband-5-19.clients.extel.ru
77.75.5.86	A	kapstrec.ru
77.75.5.101	A	mail2.adwise.ru
77.75.5.101	A	mail2.m5media.ru
77.75.5.101	A	mail.ator.ru
77.75.5.104	PTR	broadband-5-104.clients.extel.ru
77.75.5.104	A	*.ator.ru
77.75.5.104	A	www.ator.ru
77.75.5.106	PTR	broadband-5-106.clients.extel.ru
77.75.5.106	A	billboart.ru
77.75.5.122	A+PTR	warehouse.lex-s.ru
77.75.5.171	PTR	broadband-5-171.clients.extel.ru