Robtex

Up: 83.149.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 83.149.32.0/20
Down right: 83.149.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.149.32.2	PTR	ns.ugsm.ru
83.149.32.2	A	ns2.megafonural.ru
83.149.32.2	A	ns.megafonural.ru
83.149.32.4	PTR	mail.ugsm.ru
83.149.32.7	PTR	ftp.ugsm.ru
83.149.32.104	A	forumboardshop.ru
83.149.32.104	A	*.forumboardshop.ru
83.149.32.104	A	www.forumboardshop.ru
83.149.32.250	PTR	ns.megafonural.ru
83.149.33.2	A+PTR	ns1.ugsm.ru
83.149.33.2	A	ns4.synterra-ural.ru
83.149.33.2	A	ns4.c-line.ru
83.149.33.4	A+PTR	mail2.ugsm.ru
83.149.33.196	PTR	ns6.ugsm.ru
83.149.33.238	PTR	relay2.egov66.ru
83.149.33.242	A	speedtest-uf.megafon.ru
83.149.35.60	A	home.gagnidze.ru
83.149.39.38	PTR	mx.snph.biz
83.149.39.42	A	softrose.ru
83.149.39.66	PTR	fekaloid
83.149.39.73	A	part-inv-meeting.info
83.149.40.67	A	sms.megafoncenter.ru
83.149.40.77	A+PTR	mail.megafoncenter.ru
83.149.40.77	A	mail.megafon-centre.ru
83.149.40.77	A	mail.megafon-center.ru
83.149.40.87	PTR	cnt-mx01.megafon.ru
83.149.40.101	A+PTR	ns1.megafoncenter.ru
83.149.42.38	A	kryak.megafoncenter.ru
83.149.42.50	A+PTR	ns2.megafoncenter.ru
83.149.42.74	PTR	nksmail.nks-dzr.ru
83.149.42.74	A	nksmail02.nks-dzr.ru
83.149.42.74	A	nnov.rpb.ru
83.149.42.146	PTR	ip2.omstula.ru
83.149.42.146	A	www.omstula.ru
83.149.42.190	A	speed.megafoncenter.ru
83.149.42.190	A	speedtest-cf.megafon.ru
83.149.43.88	A	gusarm.com
83.149.43.88	A	mail.gusarm.com
83.149.43.134	PTR	brtelcom.ru
83.149.43.134	PTR	weld32.ru
83.149.43.134	A	mail.brtelcom.ru
83.149.45.30	A	b34620.myipcamera.org
83.149.45.138	A	prod.ddns.net
83.149.48.85	A	k0349.vipcam.org
83.149.49.178	A	speedtest-sib.megafon.ru
83.149.50.65	A+PTR	ns1.megafonsib.ru
83.149.50.80	PTR	www.prostotarif.ru
83.149.50.89	A	info.megafonsib.ru
83.149.50.99	PTR	ra.megafonsib.ru
83.149.50.100	PTR	megafon-quest.ru
83.149.50.102	A	tp.megafonsib.ru
83.149.50.112	A	sib-mx01.megafon.ru
83.149.50.202	A+PTR	sibsg.megafon.ru
83.149.51.48	A+PTR	pat.megafonsib.ru
83.149.51.52	A	sib-ext-adns.megafon.ru
83.149.51.55	A+PTR	mail.megafonsib.ru
83.149.51.110	A	mail.megafon.ru
83.149.51.195	A+PTR	www.megafonsib.ru
83.149.51.195	A	megafonsib.ru
83.149.51.210	A+PTR	mx.megafonsib.ru
83.149.51.218	A	mfns1.megafonsib.ru
83.149.52.48	A	ana.speedtest-dvf.megafon.ru
83.149.52.48	A	khb.speedtest-dvf.megafon.ru
83.149.52.48	A	yus.speedtest-dvf.megafon.ru
83.149.52.77	A+PTR	ns2.megafondv.ru
83.149.52.99	A+PTR	www.megafondv.ru
83.149.52.99	A	megafondv.ru
83.149.52.99	A	special.megafondv.ru
83.149.52.107	A+PTR	mx2.megafondv.ru
83.149.52.108	PTR	mx3.megafondv.ru
83.149.53.77	A+PTR	ns1.megafondv.ru
83.149.53.86	A	sc.megafondv.ru