Robtex

Up: 84.201.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 84.201.248.0/22
Down right: 84.201.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.201.248.0	PTR	84x201x248x0.static-business.izhevsk.ertelecom.ru
84.201.248.9	PTR	ftd.komos.ru
84.201.248.49	A	mail.udmfil.ru
84.201.248.131	PTR	84x201x248x131.static-business.izhevsk.ertelecom.ru
84.201.248.137	PTR	iamarket.ru
84.201.249.17	PTR	maygaz.ru
84.201.249.31	A	mx.n-chelny.rusimport.ru
84.201.249.74	PTR	84x201x249x74.static-business.izhevsk.ertelecom.ru
84.201.249.161	A+PTR	mx.trit.biz
84.201.249.161	A	xn--e1agahkdykfcgu.xn--p1ai
84.201.249.161	A	mail.xn--e1agahkdykfcgu.xn--p1ai
84.201.249.215	A	mail.minzdravur.ru
84.201.249.252	A	www.ppproekt.ru
84.201.249.252	A	ppproekt.ru
84.201.250.10	PTR	vetupr.org.ru
84.201.251.115	PTR	84x201x251x115.static-business.izhevsk.ertelecom.ru
84.201.251.115	A	mail.guru-soft.ru
84.201.252.79	A	lift18.ru
84.201.252.79	A	iredmail.lift18.ru
84.201.252.83	A	csrvrs.ru
84.201.252.125	A	professional18.ru
84.201.252.125	A	gtn18.ru
84.201.252.177	A+PTR	mail.akvant.com
84.201.252.177	A	rp.akvant.com
84.201.252.178	PTR	mail.akvant.com
84.201.252.179	A+PTR	mail.stanvy.com
84.201.252.179	A	mail.stanky.ru
84.201.253.17	PTR	84x201x253x17.static-business.izhevsk.ertelecom.ru
84.201.253.33	PTR	84x201x253x33.static-business.izhevsk.ertelecom.ru
84.201.253.41	PTR	leosmart.ru
84.201.253.65	A+PTR	mail.sdm18.ru
84.201.253.65	A	rp.sdm18.ru
84.201.253.83	PTR	84x201x253x83.static-business.izhevsk.ertelecom.ru
84.201.253.88	PTR	84x201x253x88.static-business.izhevsk.ertelecom.ru
84.201.253.91	PTR	84x201x253x91.static-business.izhevsk.ertelecom.ru
84.201.253.161	A	mx.kapital-dom.ru
84.201.253.162	PTR	84x201x253x162.static-business.izhevsk.ertelecom.ru
84.201.253.162	A	mx.kapital-dom.ru
84.201.253.162	A	k-tm.ru
84.201.253.163	PTR	84x201x253x163.static-business.izhevsk.ertelecom.ru
84.201.253.163	A	ns4.bcc24.ru
84.201.253.163	A	ns4.ctp-serv.ru
84.201.253.168	PTR	84x201x253x168.static-business.izhevsk.ertelecom.ru
84.201.253.177	PTR	84x201x253x177.static-business.izhevsk.ertelecom.ru
84.201.253.208	PTR	84x201x253x208.static-business.izhevsk.ertelecom.ru
84.201.253.209	PTR	ftp.udmsro.ru
84.201.253.209	PTR	gw.udmsro.ru
84.201.253.209	A+PTR	mail.udmsro.ru
84.201.253.236	A	otehnika.ru
84.201.253.236	A	mail.otehnika.ru
84.201.254.6	A	dreu.ru
84.201.254.13	A	mail.gas18.ru
84.201.254.53	A	neomer.info
84.201.254.74	PTR	84x201x254x74.static-business.izhevsk.ertelecom.ru
84.201.254.185	PTR	84x201x254x185.static-business.izhevsk.ertelecom.ru
84.201.254.185	A	12b.ru
84.201.254.195	PTR	84x201x254x195.static-business.izhevsk.ertelecom.ru
84.201.254.195	A	www.alcongroup.ru
84.201.254.195	A	alcongroup.ru
84.201.254.230	A	xn--80afebdque7b.xn--p1ai
84.201.254.230	A	ipoteka18.com
84.201.255.12	A	www.titancompany.ru
84.201.255.12	A	titancompany.ru
84.201.255.12	A	ns1.hoz-baza.ru
84.201.255.27	PTR	ung.ru
84.201.255.27	A	mail2.ung.ru
84.201.255.27	A	www.ung.ru
84.201.255.90	PTR	mail.taina-izh.ru
84.201.255.145	PTR	iz.vostok.ru
84.201.255.221	A	rivschool.com
84.201.255.221	A	e-learning.labore.ru
84.201.255.226	PTR	84x201x255x226.static-business.izhevsk.ertelecom.ru
84.201.255.243	PTR	84x201x255x243.static-business.izhevsk.ertelecom.ru
84.201.255.243	A	mail1.enerc.ru
84.201.255.243	A	mail1.npcentr.ru
84.201.255.250	A	ns3.format-master.ru
84.201.255.250	A	proxye.fmshop.ru
84.201.255.250	A	ns2.assoalco.ru