Robtex

Up: 185.66.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.66.84.0/23
Down right: 185.66.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.66.84.32	PTR	185x66x84x32.servicepipe.ru.84.66.185.in-addr.arpa
185.66.84.195	PTR	185x66x84x195.servicepipe.ru.84.66.185.in-addr.arpa
185.66.84.200	PTR	ip200-ddos-protected.hostingrust.ru
185.66.84.200	A	shop.survivalhost.org
185.66.84.200	A	www.survivalshop.org
185.66.84.201	PTR	185x66x84x201.servicepipe.ru.84.66.185.in-addr.arpa
185.66.84.210	PTR	ip210-ddos-protected.hostingrust.ru
185.66.84.210	A	www.dinotopia.online
185.66.84.210	A	dinotopia.online
185.66.84.217	PTR	185x66x84x217.servicepipe.ru.84.66.185.in-addr.arpa
185.66.84.220	PTR	ip220-ddos-protected.hostingrust.ru
185.66.84.220	A	arkhouse.site
185.66.84.220	A	arkhouse.pro
185.66.84.221	PTR	185x66x84x221.servicepipe.ru.84.66.185.in-addr.arpa
185.66.84.221	A	hostingrust.ru
185.66.84.228	PTR	ip228-ddos-protected.hostingrust.ru
185.66.85.73	PTR	185x66x85x73.servicepipe.ru
185.66.85.73	A	netwild.ru
185.66.85.74	A	bonusmall.ru
185.66.85.76	A	www.rus-beeline.ru
185.66.85.76	A	rus-beeline.ru
185.66.85.76	A	mail.rus-beeline.ru
185.66.85.77	PTR	185x66x85x77.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.77	A	mail.mgts-start.ru
185.66.85.81	PTR	185x66x85x81.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.81	A	www.etk.ru
185.66.85.81	A	chelyabinsk.tele2.ru
185.66.85.83	PTR	185x66x85x83.servicepipe.ru
185.66.85.84	PTR	185x66x85x84.servicepipe.ru
185.66.85.84	A	nnov.skylink.ru
185.66.85.84	A	kirov.skylink.ru
185.66.85.86	PTR	185x66x85x86.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.91	PTR	185x66x85x91.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.92	A	tzmk.ru
185.66.85.138	PTR	185x66x85x138.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.146	PTR	185x66x85x146.servicepipe.ru.85.66.185.in-addr.arpa
185.66.85.148	A	dns-01.servicepipe.ru
185.66.85.149	A	dns-02.servicepipe.ru
185.66.87.3	PTR	vds4you.ru
185.66.87.3	A	www.riaas.ru
185.66.87.10	A	nagios.cloudone.ru
185.66.87.12	PTR	185x66x87x12.c1.servicepipe.ru
185.66.87.12	A	www.las-legas.by
185.66.87.12	A	las-legas.com
185.66.87.21	A	mailsecure.netwell.ru
185.66.87.23	PTR	185x66x87x23.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.23	A	foresterteam.ru
185.66.87.23	A	subarurussia.ru
185.66.87.25	A	mail.msk-esco.ru
185.66.87.25	A	mx10.cloudone.ru
185.66.87.25	A	*.futuremarketing.com
185.66.87.26	PTR	185x66x87x26.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.26	A	open-case.pro
185.66.87.35	PTR	185x66x87x35.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.35	A	ws.mydrop.ru
185.66.87.42	PTR	185x66x87x42.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.76	PTR	185x66x87x76.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.76	A	mail2.valdek.ru
185.66.87.76	A	mx2.spamanet.ru
185.66.87.80	PTR	my.spamorez.ru
185.66.87.80	A	hd.mov.ru
185.66.87.80	A	spamanet.com
185.66.87.81	PTR	185x66x87x81.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.81	A	hd.mov.ru
185.66.87.135	PTR	185x66x87x135.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.135	A	ns2.graceomalley.ru
185.66.87.135	A	yourpubs.ru
185.66.87.152	PTR	185x66x87x152.c1.servicepipe.ru
185.66.87.152	A	dino-rimas.ru
185.66.87.152	A	www.dino-rimas.ru
185.66.87.185	A	sroarmo.ru
185.66.87.193	A	mail.xn----htbdlydcanjfm4o.xn--p1ai
185.66.87.226	A	www.acgrf.ru
185.66.87.228	PTR	185x66x87x228.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.228	A	ark-lda.ru
185.66.87.228	A	infistar.survivalshop.org
185.66.87.229	PTR	ns07.parking.ru
185.66.87.230	PTR	ns08.parking.ru
185.66.87.233	PTR	185x66x87x233.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.236	A	surgic.ru
185.66.87.236	A	www.medstore.pro
185.66.87.236	A	stozuboff.ru
185.66.87.237	PTR	185x66x87x237.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.242	PTR	185x66x87x242.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.242	A	www.bloknot-moldova.com
185.66.87.242	A	www.bloknot-liski.ru
185.66.87.251	PTR	185x66x87x251.c1.servicepipe.ru.87.66.185.in-addr.arpa
185.66.87.251	A	www.survivalhost.org
185.66.87.251	A	www.hostingrust.ru
185.66.87.253	PTR	euru300.survivalhost.org
185.66.87.253	A	ctfcup.ru