Robtex

Up: 80.79.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 80.79.160.0/20
Down right: 80.79.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.79.166.118	PTR	ns.eastcore.se
80.79.166.118	A	mail1.eastcore.se
80.79.166.118	A	ns2.finet.se
80.79.176.2	A+PTR	ns1.altegrosky.ru
80.79.176.2	A	mail.altegrosky.com
80.79.176.3	A	sdukt.nexttell.su
80.79.176.7	A	mail.altegromail.ru
80.79.176.34	A+PTR	rmtb.altegrosky.ru
80.79.176.37	A+PTR	lgw.altegrosky.ru
80.79.176.41	A+PTR	hns-172-gw.altegrosky.ru
80.79.176.45	A	nat-176-45-gw.altegrosky.ru
80.79.176.72	A+PTR	www.mega-internet.ru
80.79.176.190	A	elbrus.terskol.com
80.79.177.26	PTR	gate.tikopr.sbras.ru
80.79.177.34	PTR	rmtb.altegrosky.ru
80.79.177.218	PTR	gate.tikopr.sbras.ru
80.79.178.107	A+PTR	st-107-11al2005.altegrosky.ru
80.79.178.171	PTR	st-171-11al2005.altegrosky.ru
80.79.179.2	A+PTR	ns2.altegrosky.ru
80.79.179.3	PTR	defender.altegro.ru
80.79.179.4	PTR	tracker.altegro.ru
80.79.179.5	PTR	pay.altegro.ru
80.79.179.7	A	vpn.altegrosky.ru
80.79.179.9	A	ns2.litesrv.ru
80.79.179.9	A	connect.altegrosky.ru
80.79.179.75	PTR	tmbaikal.ru
80.79.179.142	PTR	mail5.slik.com.ru
80.79.180.6	PTR	ns.nvds.ru
80.79.180.35	PTR	mail.of.add.ru
80.79.180.116	A+PTR	lotusvar.nvf.add.ru
80.79.180.116	A	nvf.add.ru
80.79.181.82	PTR	mail.zvetmet.ru
80.79.181.86	PTR	mail.modernmachinery.ru
80.79.181.131	PTR	mail.omg.pnsh.ru
80.79.183.19	A+PTR	vahmurka.altegromail.ru
80.79.183.82	A+PTR	gemini.mmforce.net
80.79.183.92	A+PTR	leo.mmforce.net
80.79.183.226	A+PTR	mail.qcv.ru
80.79.183.231	A+PTR	uus.nexttell.ru
80.79.183.233	A+PTR	office.hxa.ru
80.79.183.246	A+PTR	post.qcv.ru
80.79.184.166	A	pth.tpg.ru
80.79.184.234	PTR	mail.sts-strezh.ru
80.79.184.234	PTR	trans.sts-strezh.ru
80.79.184.234	PTR	www.sts-strezh.ru
80.79.185.43	PTR	mail.akros.ru
80.79.186.50	A+PTR	boguch.krsk-sbit.ru
80.79.186.251	PTR	nug2.tpg.ru
80.79.189.251	PTR	mail.debank.ru
80.79.189.251	A	mx1.debank.ru
80.79.191.46	PTR	mail.tmrgeo.ru
80.79.191.220	PTR	mx2.norilsk-tv.ru