Robtex

Up: 77.41.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 77.41.128.0/20
Down right: 77.41.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.41.131.41	A	grey.ud9.ru
77.41.131.70	PTR	mail.rk-stroy.ru
77.41.132.3	PTR	pppoe77-41-132-3.izhevsk.ud9.ru
77.41.132.130	PTR	pppoe77-41-132-130.izhevsk.ud9.ru
77.41.132.130	A	ns2.nia.wtf
77.41.132.130	A	mx1.nia.wtf
77.41.132.171	A	mfc-izhevsk.ru
77.41.132.245	A	mail.scko.net
77.41.133.4	PTR	pppoe77-41-133-4.izhevsk.ud9.ru
77.41.133.34	PTR	pppoe77-41-133-34.izhevsk.ud9.ru
77.41.133.35	PTR	pppoe77-41-133-35.izhevsk.ud9.ru
77.41.133.54	A	spekhov.ru
77.41.133.54	A	cnc.spekhov.ru
77.41.133.64	PTR	pppoe77-41-133-64.izhevsk.ud9.ru
77.41.133.66	PTR	pppoe77-41-133-66.izhevsk.ud9.ru
77.41.133.97	PTR	pppoe77-41-133-97.izhevsk.ud9.ru
77.41.133.98	PTR	pppoe77-41-133-98.izhevsk.ud9.ru
77.41.133.99	PTR	pppoe77-41-133-99.izhevsk.ud9.ru
77.41.133.128	PTR	pppoe77-41-133-128.izhevsk.ud9.ru
77.41.133.181	A	ns2.udmshina.ru
77.41.133.184	A	rnk.ud9.ru
77.41.133.227	PTR	pppoe77-41-133-227.izhevsk.ud9.ru
77.41.134.1	PTR	pppoe77-41-134-1.izhevsk.ud9.ru
77.41.134.3	PTR	pppoe77-41-134-3.izhevsk.ud9.ru
77.41.134.32	PTR	pppoe77-41-134-32.izhevsk.ud9.ru
77.41.134.33	PTR	pppoe77-41-134-33.izhevsk.ud9.ru
77.41.134.65	PTR	pppoe77-41-134-65.izhevsk.ud9.ru
77.41.134.66	PTR	pppoe77-41-134-66.izhevsk.ud9.ru
77.41.134.67	PTR	pppoe77-41-134-67.izhevsk.ud9.ru
77.41.134.99	PTR	pppoe77-41-134-99.izhevsk.ud9.ru
77.41.134.129	PTR	pppoe77-41-134-129.izhevsk.ud9.ru
77.41.134.131	PTR	pppoe77-41-134-131.izhevsk.ud9.ru
77.41.134.163	PTR	pppoe77-41-134-163.izhevsk.ud9.ru
77.41.134.173	A	mail2.vostoc.ru
77.41.134.193	PTR	pppoe77-41-134-193.izhevsk.ud9.ru
77.41.135.13	A	mail.avudm.ru
77.41.135.35	PTR	pppoe77-41-135-35.izhevsk.ud9.ru
77.41.135.66	PTR	pppoe77-41-135-66.izhevsk.ud9.ru
77.41.135.73	A	oditrade.ru
77.41.135.98	PTR	pppoe77-41-135-98.izhevsk.ud9.ru
77.41.135.128	PTR	pppoe77-41-135-128.izhevsk.ud9.ru
77.41.135.162	PTR	pppoe77-41-135-162.izhevsk.ud9.ru
77.41.135.163	PTR	pppoe77-41-135-163.izhevsk.ud9.ru
77.41.135.192	A	mkpiur.ru
77.41.135.194	PTR	ms.rmntk-ts.ru
77.41.135.224	PTR	pppoe77-41-135-224.izhevsk.ud9.ru
77.41.137.2	A+PTR	midware.ud9.ru
77.41.137.134	PTR	atinvest.ru
77.41.138.114	A	centre.uzel9.ru
77.41.140.2	A+PTR	mx2.uzel9.ru
77.41.140.2	A+PTR	relay.uzel9.ru
77.41.140.4	A	hosting.ud9.ru
77.41.140.8	A	www.ud9.ru
77.41.140.34	PTR	mediatime.ru
77.41.140.42	PTR	rcity.ru
77.41.141.115	A	mail.novitecpro.ru
77.41.141.160	PTR	pppoe77-41-141-160.izhevsk.ud9.ru
77.41.141.160	A	ns2.ricudm.ru
77.41.141.165	PTR	pppoe77-41-141-165.izhevsk.ud9.ru
77.41.141.165	A	iztt-app.com
77.41.141.215	PTR	pppoe77-41-141-215.izhevsk.ud9.ru
77.41.142.202	A	mail.rabotaest.ru
77.41.144.162	A+PTR	gsrb.ru
77.41.144.162	A+PTR	www.gsrb.ru
77.41.144.163	A+PTR	mail.gsrb.ru
77.41.144.164	A+PTR	ns1.gsrb.ru
77.41.144.166	PTR	mail.cikrb.ru
77.41.144.250	A	relay.bscgrand.ru
77.41.144.250	A	bscgrand.ru
77.41.145.46	A	mail.megalogistika.info
77.41.147.18	PTR	codesign.me
77.41.147.18	PTR	gruzmaster.org
77.41.147.18	PTR	bukety63.ru
77.41.147.131	A	isl-hub-02.komissarzhevskoy10.voronezh.gldn.net
77.41.147.132	A	isl-hub-03.komissarzhevskoy10.voronezh.gldn.net
77.41.147.133	A	isl-hub-04.komissarzhevskoy10.voronezh.gldn.net
77.41.147.134	A	isl-hub-05.komissarzhevskoy10.voronezh.gldn.net
77.41.149.98	A	mail.vvvcompany.ru
77.41.149.98	A	mail.m7tp.ru
77.41.149.98	A	mail.moscityline.ru
77.41.149.114	A+PTR	mail.putzmeister.ru
77.41.150.67	A	ubank-b2b.com
77.41.150.68	A	support.ubank.su
77.41.150.68	A	ubank.su
77.41.150.68	A	upay.su
77.41.150.142	A	xn--c1aepcelecjfv2kh.xn--p1ai
77.41.150.142	A	mail.ugtehelektro.ru
77.41.150.142	A	mail.ugpromelektro.ru
77.41.150.214	A+PTR	mail.uapo.ru
77.41.150.243	A	optan.ru
77.41.151.5	A+PTR	mail.rifar.info
77.41.151.5	A	rifar.info
77.41.151.161	A	remote.avers-it.com
77.41.151.163	A	mail.apteki-kubani.ru
77.41.151.163	A	mupkgau.ru
77.41.151.234	A	mail.rnchel.ru
77.41.152.50	A	tvkanal1.tvervodokanal.ru
77.41.153.107	A	gt.jamtrade.ru
77.41.153.107	A	mail.jamtrade.ru
77.41.153.107	A	gt.xn--d1aes1e.xn--p1ai
77.41.153.167	A+PTR	mail.lidermetall.com
77.41.153.167	A	mail.tdmebel.com
77.41.155.214	A	mail.set64.ru
77.41.155.214	A	emk.ru
77.41.155.214	A	set64.ru
77.41.156.18	A	comp203.gercules.org
77.41.156.18	A	comp215.gercules.org
77.41.156.18	A	www.gercules.org
77.41.156.202	A	krasnodar-speedtest.corbina.net
77.41.157.134	A	mx.gns.su
77.41.157.238	A	mailvt.alliancekhv.ru
77.41.158.4	A	doit-team.ru