Robtex

Up: 188.17.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 188.17.144.0/22
Down right: 188.17.148.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.17.144.2	PTR	techinfocom.com
188.17.144.154	A+PTR	office.sputnic.ru
188.17.144.157	A	mail.sputnic.ru
188.17.145.93	A	smarth.ural.rt.ru
188.17.145.95	A	ns2.ural.rt.ru
188.17.146.146	A	mail.pristav.perm.ru
188.17.146.182	A	mail.zid.perm.ru
188.17.147.248	A	lookahead.ru
188.17.148.3	PTR	dsl-188-17-148-3.permonline.ru
188.17.148.26	PTR	dsl-188-17-148-26.permonline.ru
188.17.148.55	A	uptime59.ru
188.17.148.55	A	www.uptime59.ru
188.17.148.55	A	angellfear.ru
188.17.148.59	PTR	dsl-188-17-148-59.permonline.ru
188.17.148.59	A	infogears.ru
188.17.148.59	A	www.abrazheyev.ru
188.17.148.78	A	xn--80apglcdnjg.xn--p1ai
188.17.148.79	A	a2nta.com
188.17.148.90	A+PTR	komkom.org
188.17.148.90	A	creative-lite.ru
188.17.148.90	A	www.komkom.org
188.17.148.96	PTR	dsl-188-17-148-96.permonline.ru
188.17.148.153	PTR	dsl-188-17-148-153.permonline.ru
188.17.148.153	A	ns-trade.ru
188.17.148.227	PTR	dsl-188-17-148-227.permonline.ru
188.17.148.250	PTR	dsl-188-17-148-250.permonline.ru
188.17.149.15	A	hitcorp.ru
188.17.149.18	PTR	dsl-188-17-149-18.permonline.ru
188.17.149.75	PTR	dsl-188-17-149-75.permonline.ru
188.17.149.76	A	tb9.ru
188.17.149.123	PTR	dsl-188-17-149-123.permonline.ru
188.17.149.123	A	deleka-rifey.ru
188.17.149.123	A	ns.deleka-rifey.ru
188.17.149.130	PTR	dsl-188-17-149-130.permonline.ru
188.17.149.158	A	ns1.sergv.ru
188.17.149.158	A	mail.sergv.ru
188.17.149.191	A	kkib.ru
188.17.149.191	A	www.kkib.ru
188.17.149.227	PTR	dsl-188-17-149-227.permonline.ru
188.17.150.118	A	mx.pcbk.biz
188.17.150.118	A	mx.liga-pm.ru
188.17.150.118	A	mail.pcbk.perm.ru
188.17.150.146	PTR	berezniki.magnit.ru
188.17.151.50	A+PTR	mail.permenergo.ru
188.17.151.50	A	www.permenergo.ru
188.17.151.50	A	permenergo.ru
188.17.151.74	PTR	dsl-188-17-151-74.permonline.ru
188.17.151.74	A	ns1.promedweb.ru
188.17.151.74	A	promedweb.ru
188.17.151.82	PTR	dsl-188-17-151-82.permonline.ru
188.17.151.82	A	ns.lpu.perm.ru
188.17.151.82	A	ns.oms.perm.ru
188.17.151.194	PTR	dsl-188-17-151-194.permonline.ru
188.17.151.195	PTR	dsl-188-17-151-195.permonline.ru