Robtex

Up: 87.229.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 87.229.128.0/19
Down right: 87.229.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.229.128.45	A+PTR	mail.planetavto.ru
87.229.128.53	A+PTR	ekat.siaint.ru
87.229.128.53	A	mx2.ekat.siaint.ru
87.229.128.57	A	mail.ags-emk.ru
87.229.128.161	A	alfabeton.com
87.229.128.205	PTR	mail.fsa-ural.ru
87.229.128.209	A+PTR	gw.urpak.ru
87.229.128.209	A	ns2.uraldata.ru
87.229.128.221	PTR	mailbox.vsoyuz.ru
87.229.130.6	A+PTR	mail.koltsovo.ru
87.229.130.6	A	mx.region.aero
87.229.130.6	A	mail-in.koltsovo.ru
87.229.130.65	PTR	mail.koltsovo.ru
87.229.130.65	A	mx.region.aero
87.229.130.65	A	mx.koltsovo.aero
87.229.131.251	A+PTR	cmc.inbuco.ru
87.229.132.22	A	mail.pc-park.ru
87.229.132.22	A	pc-park.ru
87.229.132.22	A	servertm.ru
87.229.132.98	PTR	sibinformburo.ru
87.229.132.102	PTR	mxs.sibinformburo.ru
87.229.133.201	PTR	www.cryont.ru
87.229.133.202	A	mail.cryont.ru
87.229.133.202	A	cryont.ru
87.229.134.59	PTR	fankom.ru
87.229.134.68	A	fev.ru
87.229.134.68	A	omega.vanadiy.ru
87.229.134.68	A	omega.kgok.ru
87.229.134.86	A	dns1.kgok.ru
87.229.134.150	PTR	mail.uralairlines.ru
87.229.134.150	A	kavgw.chmz.umn.ru
87.229.134.150	A	chmz.umn.ru
87.229.134.159	PTR	gate.uralairlines.ru
87.229.135.201	A	mx.rest.ru
87.229.135.201	A	mail.rest.ru
87.229.135.202	A	ns.rest.ru
87.229.135.223	A	host223.rest.ru
87.229.136.11	A+PTR	mailhost.sibniinp.ru
87.229.136.21	A	mail2.stw.ru
87.229.136.57	A	mail1.npcprom.ru
87.229.136.83	A+PTR	web.fiera.ru
87.229.136.83	A	mail.fiera.ru
87.229.136.83	A	dmz.fiera.ru
87.229.138.5	A	nevada.ueef.ru
87.229.138.251	A	ntks.ru
87.229.138.251	A	speedtest.ntks.ru
87.229.138.251	A	wiki.setitagila.ru
87.229.141.2	PTR	mail.e-tagil.ru
87.229.141.33	A	ucn.e-tagil.ru
87.229.141.34	A	miz.e-tagil.ru
87.229.141.66	A	66.141.229.87.e-tagil.ru
87.229.141.82	A	april.e-tagil.ru
87.229.141.158	A	robot.e-tagil.ru
87.229.141.198	A	komtech.e-tagil.ru
87.229.141.206	A	delta.e-tagil.ru
87.229.142.77	A	r2.sn-8ph2xajvh-3w5e.googlevideo.com
87.229.142.78	A	r3.sn-8ph2xajvh-3w5e.googlevideo.com
87.229.143.46	A	mail1.doctormore.net
87.229.143.178	A+PTR	dc-flit.flit.ru
87.229.143.218	A	office.gorelektro.com
87.229.143.218	A	gorelektro.com
87.229.143.218	A	files.gorelektro.com
87.229.143.242	A	mx2.usn.ru
87.229.144.12	A	r1.sn-8ph2xajvh-3xwe.googlevideo.com
87.229.144.13	A	r2.sn-8ph2xajvh-3xwe.googlevideo.com
87.229.144.86	A	mlgt2.skgvh.ru
87.229.144.86	A	ns2.skgvh.ru
87.229.144.90	A	ml.spirtmin.ru
87.229.144.122	PTR	mail.stng.rosneft.ru
87.229.144.122	A	stng.rosneft.ru
87.229.144.189	A	xn----8sbxgk4d.xn--p1ai
87.229.144.189	A	kmc-ia.ru
87.229.146.6	A	*.voip.e-burg.ru
87.229.146.6	A	hostmaster.voip.e-burg.ru
87.229.146.73	A	87-229-146-73.sipco.ru
87.229.146.91	A	87-229-146-91.sipco.ru
87.229.146.234	A	mail.fabprint.ru
87.229.146.240	A	87-229-146-240.sipco.ru
87.229.146.255	A	87-229-146-255.sipco.ru
87.229.147.37	A	dc-7c35fbbe-mail.pilot-russia.ru
87.229.147.37	A	mail.sibeko-russia.ru
87.229.147.37	A	xn--90aihkun.xn--p1ai
87.229.147.65	A+PTR	mail.kaz-kosulino.ru
87.229.147.65	A	kaz-kosulino.ru
87.229.147.81	PTR	mx.rival.su
87.229.147.101	PTR	pribor-pk.ru
87.229.147.105	A	smk96.ru
87.229.154.2	PTR	ns1.vniimt.ru
87.229.154.41	A	ns1.msi-service.ru
87.229.154.41	A	msi-service.ru
87.229.154.41	A	stud.msi-service.ru
87.229.154.50	A	mail.iklider.ru
87.229.154.99	A	relay.systemshouse.ru
87.229.154.185	PTR	gw.rsprom.ru
87.229.155.2	PTR	ns2.vniimt.ru
87.229.155.2	A	isp.vniimt.ru
87.229.155.2	A	mail.vniimt.ru
87.229.155.9	A	bitekmail.vniimt.ru
87.229.155.11	A	mail.amira-dance.ru
87.229.157.78	A	ns2.tesnt.ru
87.229.157.78	A	ns2.xn--80aajajbild0awhh0argl4q.xn--p1ai
87.229.160.68	A	aiscup.ru
87.229.161.38	PTR	elisa.uralmicro.ru
87.229.161.40	A	www.nofrr.ru
87.229.161.40	A	evika72.ru
87.229.161.40	A	nofrr.ru
87.229.161.230	A	server-inet.plastconst.ru
87.229.163.33	A+PTR	mail.saut.ru
87.229.163.33	A	mail.npkso.ru
87.229.164.101	A+PTR	host.energoaud.ru
87.229.165.161	PTR	mail.bella-ural.ru
87.229.167.201	A	exchange.integroltd.ru
87.229.167.212	A	ns3.sed.ru
87.229.168.131	PTR	mail.zvs-ural.ru
87.229.168.244	A	tmn-rsp59-sw1.foratec.net
87.229.168.248	A	tmn-prm3a-sw1.foratec.net
87.229.168.249	A	tmn-rsp55-sw1.foratec.net
87.229.168.250	A	tmn-vlg1-ds1.foratec.net
87.229.169.68	A	mail.ek-motor.ru
87.229.169.131	A+PTR	mail1.izymryd.com
87.229.172.167	A	thebestcbdoiltoday.com
87.229.176.245	A	mx.realhobby.pro
87.229.176.245	A	realhobby.pro
87.229.178.6	A	mail3.optnet.ru
87.229.178.210	A	dcserv.alpine-gaz.ru
87.229.178.210	A	serv.alpine-gaz.ru
87.229.180.46	A	mail.artelvostok.ru
87.229.180.46	A	artelvostok.ru
87.229.181.18	A+PTR	mail.nadezhda.ru
87.229.181.18	A	mail2.nadezhda.ru
87.229.181.19	A	mail5.nadezhda.ru
87.229.181.190	A+PTR	ayterika-gw.norilsk.gldn.net
87.229.182.130	A	ns2.radioseti.com
87.229.183.2	A	bobcat-arenda.ru
87.229.183.2	A	300podarkov.ru
87.229.183.3	A	so-stroy.ru
87.229.183.252	A	mail.aluterra.ru
87.229.183.253	A	mail.gccenter.ru
87.229.190.3	A	gw.forklift.ru
87.229.190.35	A	mail.auto-import.su
87.229.190.42	A	mail.lc25.ru
87.229.190.42	A	mail.2382525.ru