Robtex

Up: 81.9.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.9.32.0/21
Down right: 81.9.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.9.32.15	A	renova-center.com
81.9.32.15	A	mail.renova-center.com
81.9.32.22	A	beachbags.hst.ru
81.9.32.22	A	mail.beachbags.hst.ru
81.9.33.3	A+PTR	mail.airport-murmansk.ru
81.9.33.8	A	mail.nrec.spb.ru
81.9.33.10	A	mail.businessprom.hst.ru
81.9.33.10	A	businessprom.hst.ru
81.9.33.16	PTR	mail.byblos.spb.ru
81.9.33.17	A	mail.maxdsl.ru
81.9.33.18	PTR	mail.s-c300.com
81.9.33.24	A	mail.metacom.ru
81.9.33.32	A	gw.velmail.com
81.9.33.32	A	mail.velmail.com
81.9.33.35	PTR	mail.onf.spb.ru
81.9.33.43	A	mail.portservice.ru
81.9.33.44	A	mail.klimat-pro.ru
81.9.33.49	PTR	post.countryonline.ru
81.9.33.49	A	mail.kavkaz.megafon.ru
81.9.33.53	PTR	cspsd.murmansk.ru
81.9.33.54	A	mail.lesta.ru
81.9.33.57	A	mail.nwab.ru
81.9.33.59	A	mail.tisc.ru
81.9.33.64	A+PTR	mail.amige.murmansk.ru
81.9.33.66	A	polarmail.ru
81.9.33.66	A	mail.polarmail.ru
81.9.33.67	A+PTR	mail.gmcit.murmansk.ru
81.9.33.81	A	mail.lesnaya-baza.ru
81.9.33.86	A	mail.alliance-plus.ru
81.9.33.90	A	mail.at4x4.ru
81.9.33.91	A	mail.audiplus.ru
81.9.33.98	A	mail.mapm.ru
81.9.33.100	A	mail.dukos.com
81.9.33.102	A	mail.pm-expert.ru
81.9.33.111	A	mail.kcelectro.com
81.9.33.115	A	mail.mcsm.ru
81.9.33.117	A	mail.meter.ru
81.9.33.119	A	mail.mcnti.murmansk.ru
81.9.33.121	A	mail.aequipment.ru
81.9.33.129	A+PTR	mail.abris-a.com
81.9.33.139	A	mail.elegia-mebel.ru
81.9.33.145	PTR	mail.alstream.ru
81.9.33.147	A	mail.rksfera.ru
81.9.33.150	A	mail.mkrogius.ru
81.9.33.152	A	gcor.spb.ru
81.9.33.162	A	mail.gs-ltd.ru
81.9.33.169	A	mail.unis.ru
81.9.33.170	A	mail.atika.murmansk.ru
81.9.33.172	A	mail.bajcknet.murmansk.ru
81.9.33.178	A+PTR	mail.mitc.murmansk.ru
81.9.33.180	A	mail.nch.hst.ru
81.9.33.183	A	mail.marp.biz
81.9.33.183	A	marp.biz
81.9.33.210	A+PTR	mail.kupchino.net
81.9.33.226	A+PTR	mail.t-mast.ru
81.9.33.231	A	mail.primapartnerrussia.ru
81.9.34.2	A+PTR	ds112.eltel.net
81.9.34.130	A+PTR	cat130.subscribe.ru
81.9.34.131	A+PTR	cat131.subscribe.ru
81.9.34.132	A	cat132.subscribe.ru
81.9.34.133	A	cat133.subscribe.ru
81.9.34.144	A	cat144.subscribe.ru
81.9.34.145	A	cat145.subscribe.ru
81.9.34.146	A	cat146.subscribe.ru
81.9.34.147	A	cat147.subscribe.ru
81.9.34.160	A	cat160.subscribe.ru
81.9.34.161	A	cat161.subscribe.ru
81.9.34.162	A	cat162.subscribe.ru
81.9.34.163	A	cat163.subscribe.ru
81.9.34.176	A	cat176.subscribe.ru
81.9.34.177	A	cat177.subscribe.ru
81.9.34.178	A	cat178.subscribe.ru
81.9.34.179	A	cat179.subscribe.ru
81.9.34.192	A+PTR	cat192.subscribe.ru
81.9.34.192	A	smtp.felist.com
81.9.34.192	A	smtp.citycat.ru
81.9.34.193	PTR	cat193.subscribe.ru
81.9.34.194	PTR	ns194a.iprojects.ru
81.9.34.195	PTR	ns195a.iprojects.ru
81.9.34.209	A	cat209.subscribe.ru
81.9.34.210	A	siamcat0.subscribe.ru
81.9.34.211	A+PTR	siamcat1.subscribe.ru
81.9.34.211	A	smtp1.mail.subscribe.ru
81.9.34.224	A	cat224.subscribe.ru
81.9.34.225	A	cat225.subscribe.ru
81.9.34.226	A	cat226.subscribe.ru
81.9.34.227	A	lavash24.ru
81.9.34.240	PTR	cat240.subscribe.ru
81.9.34.240	A	ingos-send.ru
81.9.34.240	A	bsndsy.ru
81.9.34.242	PTR	cat242.subscribe.ru
81.9.35.4	PTR	mail.radlinux.org
81.9.35.4	PTR	mail.radlinux.ru
81.9.35.4	PTR	mail.peet.spb.ru
81.9.35.5	PTR	radlinux.org
81.9.35.5	PTR	mail.peet.spb.ru
81.9.46.194	A+PTR	kedi194.subscribe.ru
81.9.46.194	A	ns194b.subscribe.ru
81.9.46.194	A	gns194b.sendsay.ru
81.9.46.195	A+PTR	kedi195.subscribe.ru
81.9.46.233	A	kedi233.subscribe.ru
81.9.46.240	PTR	kedi240.subscribe.ru
81.9.46.240	A	ingos-send.ru
81.9.46.240	A	bsndsy.ru
81.9.46.242	PTR	kedi242.subscribe.ru
81.9.47.66	A+PTR	relay-home.eltel.net