Robtex

Up: 81.2.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 81.2.32.0/20
Down right: 81.2.48.0/20

IP	Type	Hostname
81.2.32.130	PTR	146-130.dsl.primorye.ru
81.2.35.3	PTR	143-35-003.dsl.primorye.ru
81.2.35.46	A	oct.wom.ru
81.2.35.206	A	mx2.ussurimedia.ru
81.2.35.230	A	mail.nikolsk.ru
81.2.35.250	A	x-gw.wom.ru
81.2.37.98	PTR	143-37-098.dsl.primorye.ru
81.2.37.165	A	mail.ussuraqua.ru
81.2.39.2	PTR	141-002.dialup.primorye.ru
81.2.40.147	A+PTR	smtp2.rhondasoftware.com
81.2.40.154	A	rhondasoftware.ru
81.2.40.155	A+PTR	smtp1.rhonda.ru
81.2.40.155	A	www.rhonda.ru
81.2.42.162	PTR	davinagaz.ru
81.2.42.163	PTR	americar.ru
81.2.42.169	PTR	damochka.vl.ru
81.2.44.2	PTR	gate-nar.royal-bank.ru
81.2.47.176	A	mx.dalpolimetall.ru
81.2.49.1	A	wnt.ru
81.2.49.1	A	www.wnt.ru
81.2.50.2	PTR	mail.dvc.ru
81.2.50.4	PTR	mail.dvc.ru
81.2.50.6	PTR	ftp.dvc.ru
81.2.50.6	PTR	www.dvc.ru
81.2.50.131	PTR	terratour.ru
81.2.50.131	A	mx.terratour.ru
81.2.52.84	PTR	mail.eddison.ru
81.2.52.181	PTR	tele7vlv.ru
81.2.54.2	PTR	relay1.mxgroup.ru
81.2.54.34	PTR	pbank.vladivostok.ru
81.2.54.164	PTR	vlmail.kbsammit.ru
81.2.57.66	PTR	57-066.xdsl.primorye.ru
81.2.58.160	PTR	58-160.xdsl.primorye.ru
81.2.58.161	PTR	58-161.xdsl.primorye.ru
81.2.60.65	PTR	60-065.xdsl.primorye.ru
81.2.61.66	PTR	61-066.xdsl.primorye.ru
81.2.61.227	PTR	61-227.xdsl.primorye.ru
81.2.62.98	PTR	62-098.xdsl.primorye.ru
81.2.63.225	PTR	63-225.xdsl.primorye.ru