Robtex

Up: 46.146.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 46.146.204.0/23
Down right: 46.146.206.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.146.204.1	PTR	net204-1.perm.ertelecom.ru
46.146.204.10	PTR	net204-10.perm.ertelecom.ru
46.146.204.26	PTR	net204-26.perm.ertelecom.ru
46.146.204.47	PTR	net204-47.perm.ertelecom.ru
46.146.204.104	PTR	net204-104.perm.ertelecom.ru
46.146.204.148	PTR	net204-148.perm.ertelecom.ru
46.146.204.154	PTR	net204-154.perm.ertelecom.ru
46.146.204.154	A	mail.xn--80adsjxo.xn--p1ai
46.146.204.154	A	mail.vipaks.ru
46.146.204.167	PTR	net204-167.perm.ertelecom.ru
46.146.204.176	A+PTR	server1.steklodom.com
46.146.204.176	A	mail.steklodom.com
46.146.204.176	A	service.steklodom.com
46.146.204.184	PTR	net204-184.perm.ertelecom.ru
46.146.204.184	A	aster.perm.ru
46.146.204.195	A+PTR	rpk.irc-perm.ru
46.146.204.195	PTR	checkpp.mcom.su
46.146.204.195	PTR	mg.mcom.su
46.146.204.206	PTR	net204-206.perm.ertelecom.ru
46.146.204.245	A	mx10.adrilling.ru
46.146.204.245	A	smtp.nad.pnsh.ru
46.146.205.179	PTR	net205-179.perm.ertelecom.ru
46.146.205.212	A+PTR	ns1.ist.perm.ru
46.146.205.212	A	ns1.cocos.perm.ru
46.146.205.212	A	ns.ist.perm.ru
46.146.205.213	PTR	net205-213.perm.ertelecom.ru
46.146.205.213	A	xn--80adahbedsdc8ch3b.xn--p1ai
46.146.205.224	PTR	net205-224.perm.ertelecom.ru
46.146.205.244	PTR	net205-244.perm.ertelecom.ru
46.146.205.244	PTR	mcbaz.ru
46.146.206.70	A+PTR	mail.spec-m.perm.ru
46.146.206.70	A	spets-m.ru
46.146.206.70	A	ns0.spec-m.perm.ru
46.146.206.73	A+PTR	c11.spec-m.perm.ru
46.146.206.73	A	ns1.spec-m.perm.ru
46.146.206.76	A	rea.perm.ru
46.146.206.76	A	www.rea.perm.ru
46.146.206.99	PTR	net206-99.perm.ertelecom.ru
46.146.206.102	PTR	net206-102.perm.ertelecom.ru
46.146.206.102	A	mail.f1group.ru
46.146.206.128	PTR	permraion.ru
46.146.206.151	PTR	net206-151.perm.ertelecom.ru
46.146.206.172	PTR	rgoo.ru
46.146.206.172	A	konnektika.ru
46.146.206.172	A	like-taxi.ru
46.146.206.189	PTR	net206-189.perm.ertelecom.ru
46.146.206.189	A	mail.urlns.ru
46.146.206.190	A	mail.prikamsk.ru
46.146.206.200	A+PTR	mail2.nex59.ru
46.146.206.200	PTR	mail.cityplan.su
46.146.206.200	A	mail.citrus-project.ru
46.146.206.202	PTR	net206-202.perm.ertelecom.ru
46.146.206.202	A	ontab.ru
46.146.206.206	PTR	net206-206.perm.ertelecom.ru
46.146.206.206	A	mx.glonassgroup.ru
46.146.206.209	PTR	mail.halopolymer-td.com
46.146.206.209	PTR	mail.permsalt.com
46.146.206.209	A	antiice.ru
46.146.206.225	A+PTR	mail.azottech.ru
46.146.206.225	A	ns2.azottex.ru
46.146.206.225	A	ns2.azotex.ru
46.146.206.246	A	vega24.pro
46.146.207.41	PTR	46x146x207x41.static-business.perm.ertelecom.ru
46.146.207.55	PTR	46x146x207x55.static-business.perm.ertelecom.ru
46.146.207.162	PTR	net207-162.perm.ertelecom.ru
46.146.207.215	A+PTR	mail.iqural.ru
46.146.207.225	PTR	net207-225.perm.ertelecom.ru
46.146.207.225	A	rodnayasvyaz.ru
46.146.207.225	A	xn----7sbhfs6afpo6i2ad.xn--p1ai
46.146.207.228	A	a1.cocos.perm.ru
46.146.207.231	PTR	46x146x207x231.static-business.perm.ertelecom.ru
46.146.207.231	A	ns2.ist.perm.ru
46.146.207.231	A	ns2.cocos.perm.ru