Robtex

Up: 178.72.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 178.72.0.0/18
Down right: 178.72.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
178.72.0.0	A+PTR	ip-0-0-72-178.dialup.ice.net
178.72.0.3	A+PTR	ip-3-0-72-178.dialup.ice.net
178.72.0.93	A	dns3.ice.net
178.72.0.94	A	dns4.ice.net
178.72.0.194	A	ip-194-0-72-178.dialup.ice.net
178.72.0.195	A	ip-195-0-72-178.dialup.ice.net
178.72.0.199	A	ip-199-0-72-178.dialup.ice.net
178.72.1.0	A+PTR	ip-0-1-72-178.dialup.ice.net
178.72.1.1	A	ip-1-1-72-178.dialup.ice.net
178.72.1.2	A+PTR	ip-2-1-72-178.dialup.ice.net
178.72.1.3	A+PTR	ip-3-1-72-178.dialup.ice.net
178.72.2.0	PTR	ip-0-2-72-178.dialup.ice.net
178.72.2.126	A	ip-126-2-72-178.dialup.ice.net
178.72.4.0	PTR	ip-0-4-72-178.dialup.ice.net
178.72.6.2	PTR	ip-2-6-72-178.dialup.ice.net
178.72.6.149	A	ip-149-6-72-178.dialup.ice.net
178.72.8.0	PTR	ip-0-8-72-178.dialup.ice.net
178.72.8.183	A	ip-183-8-72-178.dialup.ice.net
178.72.10.26	A	ip-26-10-72-178.dialup.ice.net
178.72.10.36	A	ip-36-10-72-178.dialup.ice.net
178.72.10.42	A	ip-42-10-72-178.dialup.ice.net
178.72.10.92	A	ip-92-10-72-178.dialup.ice.net
178.72.10.249	A	ip-249-10-72-178.dialup.ice.net
178.72.13.131	A	ip-131-13-72-178.dialup.ice.net
178.72.15.185	A	ip-185-15-72-178.dialup.ice.net
178.72.16.0	A+PTR	ip-0-16-72-178.dialup.ice.net
178.72.16.1	A+PTR	ip-1-16-72-178.dialup.ice.net
178.72.17.1	A+PTR	ip-1-17-72-178.dialup.ice.net
178.72.18.1	A	ip-1-18-72-178.dialup.ice.net
178.72.18.5	A	ip-5-18-72-178.dialup.ice.net
178.72.19.1	A	ip-1-19-72-178.dialup.ice.net
178.72.19.252	A	ip-252-19-72-178.dialup.ice.net
178.72.24.0	PTR	ip-0-24-72-178.dialup.ice.net
178.72.25.2	PTR	ip-2-25-72-178.dialup.ice.net
178.72.28.0	PTR	ip-0-28-72-178.dialup.ice.net
178.72.29.2	PTR	ip-2-29-72-178.dialup.ice.net
178.72.29.126	A	ip-126-29-72-178.dialup.ice.net
178.72.29.146	A	ip-146-29-72-178.dialup.ice.net
178.72.30.2	A+PTR	ip-2-30-72-178.dialup.ice.net
178.72.31.145	A	ip-145-31-72-178.dialup.ice.net
178.72.32.0	A+PTR	ip-0-32-72-178.dialup.ice.net
178.72.32.1	PTR	ip-1-32-72-178.dialup.ice.net
178.72.34.8	A	ip-8-34-72-178.dialup.ice.net
178.72.35.156	A	ip-156-35-72-178.dialup.ice.net
178.72.37.0	A+PTR	ip-0-37-72-178.dialup.ice.net
178.72.37.7	A	ip-7-37-72-178.dialup.ice.net
178.72.37.9	A	ip-9-37-72-178.dialup.ice.net
178.72.37.11	A	ip-11-37-72-178.dialup.ice.net
178.72.37.134	A	ip-134-37-72-178.dialup.ice.net
178.72.37.135	A	ip-135-37-72-178.dialup.ice.net
178.72.37.136	A	ip-136-37-72-178.dialup.ice.net
178.72.37.139	A	ip-139-37-72-178.dialup.ice.net
178.72.38.2	A+PTR	ip-2-38-72-178.dialup.ice.net
178.72.39.0	A+PTR	ip-0-39-72-178.dialup.ice.net
178.72.39.2	A+PTR	ip-2-39-72-178.dialup.ice.net
178.72.39.4	A	ip-4-39-72-178.dialup.ice.net
178.72.39.17	A	ip-17-39-72-178.dialup.ice.net
178.72.39.133	A	ip-133-39-72-178.dialup.ice.net
178.72.39.134	A	ip-134-39-72-178.dialup.ice.net
178.72.39.144	A	ip-144-39-72-178.dialup.ice.net
178.72.39.147	A	ip-147-39-72-178.dialup.ice.net
178.72.40.234	A	ip-234-40-72-178.dialup.ice.net
178.72.41.51	A	ip-51-41-72-178.dialup.ice.net
178.72.41.61	A	ip-61-41-72-178.dialup.ice.net
178.72.42.5	A	ip-5-42-72-178.dialup.ice.net
178.72.42.104	A	ip-104-42-72-178.dialup.ice.net
178.72.42.226	A	myrvold.biz
178.72.45.6	A	ip-6-45-72-178.dialup.ice.net
178.72.45.215	A	ip-215-45-72-178.dialup.ice.net
178.72.48.171	A	ip-171-48-72-178.dialup.ice.net
178.72.48.217	A	ip-217-48-72-178.dialup.ice.net
178.72.52.160	A	ip-160-52-72-178.dialup.ice.net
178.72.53.20	A	ip-20-53-72-178.dialup.ice.net
178.72.53.77	A	ip-77-53-72-178.dialup.ice.net
178.72.53.99	A	ip-99-53-72-178.dialup.ice.net
178.72.53.170	A	ip-170-53-72-178.dialup.ice.net
178.72.53.228	A	ip-228-53-72-178.dialup.ice.net
178.72.55.5	A	ip-5-55-72-178.dialup.ice.net
178.72.55.6	A	ip-6-55-72-178.dialup.ice.net
178.72.55.7	A	ip-7-55-72-178.dialup.ice.net
178.72.55.23	A	ip-23-55-72-178.dialup.ice.net
178.72.55.137	A	ip-137-55-72-178.dialup.ice.net
178.72.55.138	A	ip-138-55-72-178.dialup.ice.net
178.72.55.141	A	ip-141-55-72-178.dialup.ice.net
178.72.55.151	A	ip-151-55-72-178.dialup.ice.net
178.72.56.36	A	ip-36-56-72-178.dialup.ice.net
178.72.56.105	A	brudalhytte.net
178.72.56.155	A	ip-155-56-72-178.dialup.ice.net
178.72.57.202	A+PTR	ip-202-57-72-178.dialup.ice.net
178.72.58.36	A	ip-36-58-72-178.dialup.ice.net
178.72.59.1	A+PTR	ip-1-59-72-178.dialup.ice.net
178.72.59.25	A	ip-25-59-72-178.dialup.ice.net
178.72.59.96	A	ip-96-59-72-178.dialup.ice.net
178.72.59.127	A	ip-127-59-72-178.dialup.ice.net
178.72.59.130	A+PTR	ip-130-59-72-178.dialup.ice.net
178.72.59.245	A	ip-245-59-72-178.dialup.ice.net
178.72.61.0	A+PTR	ip-0-61-72-178.dialup.ice.net
178.72.61.15	A	ip-15-61-72-178.dialup.ice.net
178.72.61.17	A	ip-17-61-72-178.dialup.ice.net
178.72.61.20	A	ip-20-61-72-178.dialup.ice.net
178.72.61.138	A	ip-138-61-72-178.dialup.ice.net
178.72.61.139	A	ip-139-61-72-178.dialup.ice.net
178.72.61.146	A	ip-146-61-72-178.dialup.ice.net
178.72.61.152	A	ip-152-61-72-178.dialup.ice.net
178.72.62.241	A	ip-241-62-72-178.dialup.ice.net
178.72.65.129	A	ans.aero
178.72.65.130	A	wages.ans.aero
178.72.65.135	A	www.ans.aero
178.72.68.21	A	xn--90asckbtc8f.xn--p1ai
178.72.69.221	A	mail.global-techno.ru
178.72.70.182	A	logam.ru
178.72.72.7	A	mail.ladatmn.ru
178.72.72.8	A	e-tmn.ru
178.72.72.29	A	centr-72.ru
178.72.72.29	A	www.centr-72.ru
178.72.72.134	A	mail.o-mega.info
178.72.72.148	A+PTR	unisoncapital.ru
178.72.72.148	A	gate.unisonkapital.ru
178.72.72.148	A	gate.unisontrust.ru
178.72.73.10	A	taxi-555555.com
178.72.73.75	A+PTR	mail1.tumfk.ru
178.72.73.249	A	gm-pro.ru
178.72.74.155	A+PTR	gv.ao-ustek.ru
178.72.83.73	A+PTR	gradtobolsk.ru
178.72.83.73	A	mx3.gradtobolsk.ru
178.72.83.73	A	mx2.gradtobolsk.ru
178.72.83.77	A	mfc-tob.ru
178.72.83.132	A	mfc-tob.ru
178.72.83.132	A	xn----btb5ajtko.xn--p1ai
178.72.83.157	A	ephost.ru
178.72.83.160	A	mail.sputnik-tobolsk.ru
178.72.90.17	PTR	unisoncapital.ru
178.72.90.17	A	gate.unisontrust.ru
178.72.90.17	A	yur-buro-unison.ru
178.72.90.18	PTR	orygon.com
178.72.90.26	PTR	mail.pharm-tmn.ru
178.72.90.131	A	thegollywog.info
178.72.90.132	PTR	mx.tyumen.comstar-r.ru
178.72.90.132	A	mail.sib.comstar-r.ru
178.72.90.132	A	*.3nations.info
178.72.90.174	PTR	mx2.am-sk.ru
178.72.91.11	A	rukodelnitsa72.ru
178.72.91.48	A	isk-tmn.ru
178.72.91.48	A	onlinezoos.com
178.72.91.71	A	yurii84.ru
178.72.91.210	A	webep.ru
178.72.91.247	A	ozverin.com
178.72.94.4	A	belapt.ru
178.72.94.51	A	22111.ru
178.72.95.21	A	mail.tursunt.ru
178.72.100.11	A	mailbackup.kerama-n.ru
178.72.100.15	PTR	mail01.uprt-nv.com
178.72.100.15	A	sechepkasov.uprt-nv.ru
178.72.100.15	A	mail.uprt-nv.ru
178.72.101.34	A+PTR	mail1.nvgres.ru
178.72.101.35	A	mail3.nvgres.ru
178.72.101.197	A	exchange.belutt.ru
178.72.101.209	A	sibesnv.ru
178.72.101.209	A	mail.rn-nen.ru
178.72.101.231	PTR	rn-cbns.ru
178.72.101.231	A	mx1.rn-chns.ru
178.72.107.54	A	www.zd-bolnica.ru
178.72.107.122	PTR	relay.delikates-nk.ru
178.72.107.122	A	ns3.kpk.su
178.72.110.138	A	nvkz2.bcs.ru
178.72.120.147	A	www.ntfgrad.ru