Robtex

Up: 92.255.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 92.255.192.0/23
Down right: 92.255.194.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
92.255.192.0	PTR	92x255x192x0.static-business.kzn.ertelecom.ru
92.255.192.8	A+PTR	mail2.pronto-kazan.ru
92.255.192.8	A	mail.pronto-kazan.ru
92.255.192.42	PTR	mail1.tatin.com
92.255.192.50	PTR	baltpivo.ru
92.255.192.112	PTR	92x255x192x112.static-business.kzn.ertelecom.ru
92.255.192.112	A	mail4.barsmedia.ru
92.255.192.131	PTR	92x255x192x131.static-business.kzn.ertelecom.ru
92.255.192.152	PTR	92x255x192x152.static-business.kzn.ertelecom.ru
92.255.192.156	A	mmkzn.ru
92.255.192.165	A+PTR	mail.darff.ru
92.255.192.170	PTR	92x255x192x170.static-business.kzn.ertelecom.ru
92.255.192.173	PTR	92x255x192x173.static-business.kzn.ertelecom.ru
92.255.192.173	A	mail.pro-brokers.ru
92.255.192.174	PTR	92x255x192x174.static-business.kzn.ertelecom.ru
92.255.192.194	PTR	mail.kirkazan.ru
92.255.192.237	A	www.tkeramika.ru
92.255.193.3	A	mx1.itil.ru
92.255.193.13	A+PTR	test-tatarstan.org
92.255.193.13	A	tatcsm.ru
92.255.193.13	A	gateway1.test-tatarstan.org
92.255.193.14	PTR	92x255x193x14.static-business.kzn.ertelecom.ru
92.255.193.123	A+PTR	mx1.rutaxi.ru
92.255.193.129	PTR	92x255x193x129.static-business.kzn.ertelecom.ru
92.255.193.129	A	sp16.ru
92.255.193.129	A	dailykazan.ru
92.255.193.154	A+PTR	mail.kls.su
92.255.193.154	A	ns.kls.su
92.255.193.156	PTR	92x255x193x156.static-business.kzn.ertelecom.ru
92.255.193.182	PTR	92x255x193x182.static-business.kzn.ertelecom.ru
92.255.193.182	A	zimbra.itprovider.ru
92.255.193.186	A+PTR	backup.agrs.ru
92.255.193.202	A+PTR	ms.cdmarf.ru
92.255.193.202	A+PTR	smtp2.kirkazan.ru
92.255.193.202	A	lotus.kirkazan.ru
92.255.193.204	PTR	92x255x193x204.static-business.kzn.ertelecom.ru
92.255.193.233	PTR	kfrap.ru
92.255.193.234	PTR	92x255x193x234.static-business.kzn.ertelecom.ru
92.255.193.241	PTR	92x255x193x241.static-business.kzn.ertelecom.ru
92.255.194.3	A+PTR	mx.ert.kolorit-rt.ru
92.255.194.9	A	www.sputnik-kzn.ru
92.255.194.21	A+PTR	mail-server.tptproekt.ru
92.255.194.34	PTR	d.ankorbank.ru
92.255.194.37	A+PTR	mail.telecomserv.ru
92.255.194.56	PTR	92x255x194x56.static-business.kzn.ertelecom.ru
92.255.194.56	A	uk-azino2.ru
92.255.194.56	A	xn---2-7kc2afizi2b.xn--p1ai
92.255.194.85	PTR	92x255x194x85.static-business.kzn.ertelecom.ru
92.255.194.88	PTR	92x255x194x88.static-business.kzn.ertelecom.ru
92.255.194.88	A	mail2.barsmedia.ru
92.255.194.98	A+PTR	mail.sht.su
92.255.194.127	A+PTR	mail.parallax.ru
92.255.194.127	A	ip2.parallax.ru
92.255.194.136	PTR	92x255x194x136.static-business.kzn.ertelecom.ru
92.255.194.136	A	mail.starsenal.biz
92.255.194.230	PTR	kazan.siaint.ru
92.255.194.235	PTR	92x255x194x235.static-business.kzn.ertelecom.ru
92.255.194.238	A+PTR	mail.termofest.ru
92.255.195.9	PTR	92x255x195x9.static-customer.kzn.ertelecom.ru
92.255.195.9	A	sintest.ru
92.255.195.9	A	alik.su
92.255.195.13	PTR	92x255x195x13.static-customer.kzn.ertelecom.ru
92.255.195.13	A	server.hijazz.org
92.255.195.13	A	dc-62e8729f.stroimray.ru
92.255.195.28	A	lotcares.com
92.255.195.38	PTR	92x255x195x38.static-customer.kzn.ertelecom.ru
92.255.195.38	A	tatbox.ru
92.255.195.51	A	gulama.com
92.255.195.51	A	qumava.com
92.255.195.51	A	qimele.com
92.255.195.57	PTR	92x255x195x57.static-customer.kzn.ertelecom.ru
92.255.195.59	PTR	92x255x195x59.static-customer.kzn.ertelecom.ru
92.255.195.67	PTR	deltasecurity.ru
92.255.195.75	PTR	92x255x195x75.static-customer.kzn.ertelecom.ru
92.255.195.75	A	n-e-t-u.ru
92.255.195.99	PTR	luba.ntweb.ru
92.255.195.103	PTR	ns2.ntweb.ru
92.255.195.103	PTR	bestnaf.noip.me
92.255.195.107	PTR	ns2.ntweb.ru
92.255.195.111	PTR	92x255x195x111.static-customer.kzn.ertelecom.ru
92.255.195.111	A	mx.mn.blogit.ws
92.255.195.111	A	ns1.blogit.ws
92.255.195.113	PTR	92x255x195x113.static-customer.kzn.ertelecom.ru
92.255.195.113	A	kikozka.ru
92.255.195.142	PTR	92x255x195x142.static-customer.kzn.ertelecom.ru
92.255.195.150	A	iahtoh.ru
92.255.195.150	A	www.iahtoh.ru
92.255.195.161	PTR	home.neonxp.net
92.255.195.164	PTR	92x255x195x164.static-customer.kzn.ertelecom.ru
92.255.195.165	A	allperfumery.com
92.255.195.167	A+PTR	dred.ru
92.255.195.174	PTR	92x255x195x174.static-customer.kzn.ertelecom.ru
92.255.195.174	A	itpol.org
92.255.195.178	A	coolpool.top
92.255.195.178	A	www.coolpool.top
92.255.195.191	A	5223344.ru
92.255.195.191	A	texturs.ru
92.255.195.206	A	home.arturaum.ru
92.255.195.225	PTR	92x255x195x225.static-customer.kzn.ertelecom.ru
92.255.195.225	A	bimoid.net
92.255.195.225	A	eda3d.ru
92.255.195.226	PTR	92x255x195x226.static-customer.kzn.ertelecom.ru
92.255.195.245	A	sghelp.ru
92.255.195.245	A	xn--80aeb9bo9e.xn--p1ai
92.255.195.247	A	energizer91.ru
92.255.195.247	A	mail.energizer91.ru
92.255.195.252	A	mail.monmarts.ru
92.255.195.254	PTR	home.h16.su
92.255.195.254	A	quki.ru