Robtex

Up: 80.91.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.91.172.0/23
Down right: 80.91.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.91.172.5	PTR	ibank.erstebank.ua
80.91.172.34	PTR	mail.kladoiskateli.com
80.91.172.34	A	kladoiskateli.net
80.91.172.34	A	www.kladoiskateli.com
80.91.172.40	PTR	relay2.prime-bank.kiev.ua
80.91.172.41	A	www.prime-bank.kiev.ua
80.91.172.65	A	krokus-world-l.newline.net.ua
80.91.172.66	PTR	mail.energysuite.com.ua
80.91.172.78	PTR	relay.sart.must-ipra.com
80.91.172.82	PTR	gate.prime-bank.kiev.ua
80.91.172.82	A	relay.prime-bank.kiev.ua
80.91.172.82	A	ns.prime-bank.kiev.ua
80.91.172.94	PTR	ascania-auto.com
80.91.172.94	A	mail.mastershin.com.ua
80.91.172.94	A	ll-techinfoserv-r.newline.net.ua
80.91.172.106	PTR	veda.ua
80.91.172.110	PTR	fbm.kiev.ua
80.91.172.130	A	aval-pogrebi.newline.net.ua
80.91.172.133	A	ll-investua-l.newline.net.ua
80.91.172.146	PTR	tt.com.ua
80.91.172.153	A+PTR	ll-onix-l.newline.net.ua
80.91.172.154	PTR	relay.oniks.com.ua
80.91.172.160	PTR	user-160-brw-kiev.com.ua
80.91.172.171	A+PTR	mail.promfinbank.com
80.91.172.174	A+PTR	mail.oniks.com.ua
80.91.172.174	A	relay.oniks.com.ua
80.91.172.178	PTR	gw.naukanaftogaz.kiev.ua
80.91.172.186	PTR	mail.oniks.com.ua
80.91.172.187	A	mns.datagroup.ua
80.91.172.201	PTR	relay.ubrr.com.ua
80.91.172.203	A+PTR	n1.p.returnilvirtualsystem.com
80.91.172.203	A	p.returnilvirtualsystem.com
80.91.172.204	PTR	adm.p.returnilvirtualsystem.com
80.91.172.204	A	returnil.com
80.91.172.204	A	quietzone.co.uk
80.91.172.210	A	backup2.agristar.com.ua
80.91.172.211	PTR	it.ps.kiev.ua
80.91.172.212	A+PTR	mail.agristar.com.ua
80.91.172.213	A+PTR	backup.agristar.com.ua
80.91.172.227	A+PTR	mailsm2.sportmaster.com.ua
80.91.172.229	A+PTR	trime2.sportmaster.ua
80.91.172.232	A+PTR	mailost2.ostin.com.ua
80.91.172.250	A+PTR	mail.duep.edu
80.91.172.252	A+PTR	www.duep.edu
80.91.172.252	A	www.duan.edu.ua
80.91.172.252	A	duan.edu.ua
80.91.173.9	A+PTR	ll-souz-kvartal-l.newline.net.ua
80.91.173.10	A	ll-souz-kvartal-r.newline.net.ua
80.91.173.21	A	ll-ukrcreditbank-l.newline.net.ua
80.91.173.26	A+PTR	mediapark-gw.newline.net.ua
80.91.173.30	A	ll-zahidincombank-r.newline.net.ua
80.91.173.41	A	ll-univ-proc-l.newline.net.ua
80.91.173.53	PTR	ll-dkt-l.newline.net.ua
80.91.173.65	A	ll-pib-l.newline.net.ua
80.91.173.66	PTR	ll-pib-r.newline.net.ua
80.91.173.78	A+PTR	westportal-rgw.newline.net.ua
80.91.173.89	PTR	paco-lgw.newline.net.ua
80.91.173.98	PTR	dg2bh-w.dc.besthosting.ua
80.91.173.101	PTR	transit-ua-l9-ge-1-0-6.ua-kiev.datagroup.com.ua
80.91.173.101	A	nashnet-ua-lgw.newline.net.ua
80.91.173.117	A+PTR	astelit-ua-lgw.newline.net.ua
80.91.173.118	A+PTR	astelit-ua-rgw.newline.net.ua
80.91.173.125	A	euronet-ua-lgw.newline.net.ua
80.91.173.130	A+PTR	ll-ria-r.newline.net.ua
80.91.173.186	A	pbx.startmobile.com.ua
80.91.173.210	PTR	arrow.buc.com.ua
80.91.173.210	A	buc.com.ua
80.91.173.250	A	startmobile.ua
80.91.173.250	A	startmobile.com
80.91.173.250	A	mx10.startmobile.com
80.91.174.1	PTR	x-center-lp174.newline.net.ua
80.91.174.3	A+PTR	ll-naftakherson-l.newline.net.ua
80.91.174.4	A+PTR	ll-uspot-r.newline.net.ua
80.91.174.5	A+PTR	ll-ukrcard-r.newline.net.ua
80.91.174.6	A+PTR	ll-spar-r.newline.net.ua
80.91.174.11	A+PTR	ll-imexbank-r.newline.net.ua
80.91.174.14	A	mail2.portcity.com.ua
80.91.174.14	A	mx2.wog.ua
80.91.174.14	A	mail.portcity.com.ua
80.91.174.22	PTR	mail.tas-insurance.com.ua
80.91.174.54	A	gate.delo.ua
80.91.174.54	A	mail.investgazeta.net
80.91.174.54	A	librarieaudio.ro
80.91.174.66	A	ll-mirotel-r.newline.net.ua
80.91.174.70	PTR	nidan.com.ua
80.91.174.74	A+PTR	ll-tkcredit-r.newline.net.ua
80.91.174.77	A+PTR	ll-kommind-l.newline.net.ua
80.91.174.86	A+PTR	mail.atlas-ukraine.com
80.91.174.86	A	ll-kray-r.newline.net.ua
80.91.174.90	A+PTR	gw-dg.ria.ua
80.91.174.90	A	ll-suntrade-r.newline.net.ua
80.91.174.98	A	kommind98.newline.net.ua
80.91.174.99	A+PTR	kommind99.newline.net.ua
80.91.174.102	A	kommind102.newline.net.ua
80.91.174.106	PTR	mail.unp.com.ua
80.91.174.107	PTR	cerber.unp.com.ua
80.91.174.110	A+PTR	mail1.bank-fp.com.ua
80.91.174.114	PTR	vpn.zlatocard.com.ua
80.91.174.114	A	stat.artnet.dp.ua
80.91.174.121	PTR	gw.mdi.com.ua
80.91.174.129	A+PTR	ll-unex-bank-l.newline.net.ua
80.91.174.131	A+PTR	secure.datagroup.com.ua
80.91.174.131	PTR	stats.datagroup.com.ua
80.91.174.131	A	adsl.datagroup.com.ua
80.91.174.146	PTR	safemail.kiev.ua
80.91.174.149	PTR	zvit-m.com.ua
80.91.174.150	A+PTR	clients.safemail.kiev.ua
80.91.174.153	A+PTR	ll-epicentrk-l.newline.net.ua
80.91.174.154	PTR	epicentrk.com.ua
80.91.174.154	A+PTR	ll-epicentrk-r.newline.net.ua
80.91.174.154	A	mail.epicentrk.com.ua
80.91.174.155	PTR	email.epicentrk.ua
80.91.174.155	A	mail.gerega.org.ua
80.91.174.166	A	mail.tkcredit.kiev.ua
80.91.174.171	PTR	ns.milkiland.com
80.91.174.171	A	ns1.dnsonlyhosting.com
80.91.174.171	A	dnsonlyhosting.com
80.91.174.172	PTR	ns.milkiland.com.ua
80.91.174.172	A	dnsonlyhosting.com
80.91.174.172	A	irp.vn.ua
80.91.174.174	PTR	ns.krai.com.ua
80.91.174.193	A+PTR	imexbank.kiev.ua
80.91.174.193	A	ns.imexbank.kiev.ua
80.91.174.193	A	mail.imexbank.kiev.ua
80.91.174.201	A+PTR	mail.centrenergo.com
80.91.174.201	A	ns1.centrenergo.com
80.91.174.201	A	relay.centrenergo.com
80.91.174.209	A	mail1.gambgo.com
80.91.174.219	A	www.consumerunion.com.ua
80.91.174.219	A	ns.standards.in.ua
80.91.174.220	PTR	uas.org.ua
80.91.174.222	A+PTR	smtp.ukrndnc.org.ua
80.91.174.222	A	www.ukrndnc.org.ua
80.91.174.222	A	ns.ukrndnc.org.ua
80.91.174.242	PTR	mim.kiev.ua
80.91.175.18	A+PTR	mail.ioi.com.ua
80.91.175.18	A	smtp3.ioi.com.ua
80.91.175.18	A	smtp2.ioi.com.ua
80.91.175.26	PTR	kq.varien.com
80.91.175.26	A	dpsu.gov.ua
80.91.175.35	A+PTR	relay-client.newline.net.ua
80.91.175.37	A+PTR	relay-nl.9kin.dp.ua
80.91.175.37	A	9kin.dp.ua
80.91.175.37	A	www.9kin.dp.ua
80.91.175.49	A+PTR	ws0.evm.com.ua
80.91.175.50	A	www.evm.com.ua
80.91.175.50	A	www.iuri.us
80.91.175.50	A	evm.com.ua
80.91.175.52	A	ws3.evm.com.ua
80.91.175.53	A	ws4.evm.com.ua
80.91.175.54	A	ws5.evm.com.ua
80.91.175.55	A	ws6.evm.com.ua
80.91.175.56	A	ws7.evm.com.ua
80.91.175.57	A	ws8.evm.com.ua
80.91.175.58	A+PTR	ws9.evm.com.ua
80.91.175.59	A	sys.evm.com.ua
80.91.175.60	A	ts.evm.com.ua
80.91.175.61	A	vpn.evm.com.ua
80.91.175.62	A+PTR	gw.evm.com.ua
80.91.175.83	A	wowp-news.com
80.91.175.83	A	mail.wowp-news.com
80.91.175.85	A	licsoft.com
80.91.175.92	A	*.wot-news.com
80.91.175.92	A	wot-news.com
80.91.175.92	A	www.wot-news.com
80.91.175.94	PTR	mx0.tmm.ua
80.91.175.97	A	colo-bto-lgw.newline.net.ua
80.91.175.106	PTR	relay.ansmep.com.ua
80.91.175.122	A	auth.datagroup.ua
80.91.175.123	PTR	alt.rise.ua
80.91.175.123	PTR	ns.rise.ua
80.91.175.123	PTR	relay.rise.ua
80.91.175.129	A	mr03.doe.com.ua
80.91.175.130	A+PTR	ns.doe.com.ua
80.91.175.130	A	test.doe.com.ua
80.91.175.130	A	old.doe.com.ua
80.91.175.132	A	saprouter.doe.com.ua
80.91.175.135	A	dpoe.doe.com.ua
80.91.175.138	PTR	winner.newline.net.ua
80.91.175.138	A	mail.winnerauto.ua
80.91.175.140	PTR	mail.winner.ua
80.91.175.149	PTR	gw.trime.com.ua
80.91.175.170	A	webmasters.com.ua
80.91.175.187	PTR	relay.ukrsotsbank.com
80.91.175.188	PTR	relay2.ukrsotsbank.com
80.91.175.206	A+PTR	mx1.tmm.ua
80.91.175.206	A	dns1.tmm.ua
80.91.175.218	A	mx.kronas.com.ua
80.91.175.218	A	mx.osnova-k.ru
80.91.175.220	A	mx2.kronas.com.ua
80.91.175.220	A	mx2.domini.ua
80.91.175.220	A	mx.domini.ua