Robtex

Up: 79.99.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 79.99.16.0/22
Down right: 79.99.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.99.16.3	PTR	mx.mgtp.ru
79.99.16.4	PTR	mx.mail.bftel.ru
79.99.16.7	PTR	any.mgtp.ru
79.99.16.7	PTR	i-service.mgtp.ru
79.99.16.7	PTR	sp.mgtp.ru
79.99.16.11	A+PTR	mail.nagatino-iland.ru
79.99.16.12	PTR	mail2.nagatino-iland.ru
79.99.16.43	A	mail.7887722.ru
79.99.16.43	A	7887722.ru
79.99.16.82	A+PTR	mail.nagatino-service.ru
79.99.16.86	A	mx.kvartal-service.ru
79.99.16.86	A	mx.nagatino-service.ru
79.99.16.126	PTR	mira.urtg.net
79.99.16.130	PTR	mail.shaluny.ru
79.99.16.130	A	vpn.shaluny.ru
79.99.16.131	PTR	mail.shaluny.ru
79.99.16.146	A	smpcsa.ru
79.99.16.154	A+PTR	mail.batteryteam.ru
79.99.16.154	A	www.batteryteam.ru
79.99.16.154	A	batteryteam.ru
79.99.16.162	A	dgz.ru
79.99.16.183	A	leventik.com
79.99.17.2	PTR	mail.nagatino-iland.ru
79.99.17.2	A	mail.nagatino-iland.su
79.99.17.6	PTR	owa.mgtp.ru
79.99.17.6	PTR	mail2.nagatino-iland.ru
79.99.17.10	A+PTR	m.sinkogroup.ru
79.99.17.27	A+PTR	mail.pkies.ru
79.99.17.27	A	mail.pk-is.ru
79.99.17.29	A	pk-is.ru
79.99.17.29	A	pkies.ru
79.99.17.35	A	ns35.inenpro.ru
79.99.17.35	A	xn--b1amqadb3d.xn--p1ai
79.99.17.35	A	ns2.chirva.pro
79.99.17.50	A	mx.rparts.ru
79.99.17.50	A	pptp.datatel.ru
79.99.17.50	A	new-mx.rparts.ru
79.99.17.51	PTR	mail.datatel.ru
79.99.17.52	PTR	mail.iigroup.ru
79.99.17.85	A+PTR	mx04.smt-vc.ru
79.99.17.85	A	mail.smtrade.ru
79.99.17.106	A	uniskytrade.ru
79.99.17.114	A	rabota.lukas-auto.ru
79.99.17.114	A	rezerv.lukas-auto.ru
79.99.17.119	A	mx1.ldk-logistics.ru
79.99.17.141	A	pregran.su
79.99.17.141	A	gransol.ru
79.99.17.141	A	ns1.gransteam.ru
79.99.17.150	A	*.thermoservice.ru
79.99.17.151	A+PTR	mail.thermoservice.ru
79.99.17.151	A	*.thermoservice.ru
79.99.17.151	A	nikolaev.thermoservice.ru
79.99.17.152	A	mail.thermoservice.ru
79.99.17.218	A+PTR	mail.trmag.ru
79.99.17.218	A	trmag.ru
79.99.17.220	PTR	mail.lograil.ru
79.99.18.18	A	mx01.pf-cap.com
79.99.18.19	A	brony.ru
79.99.18.19	A	remote.bronni.ru
79.99.18.19	A	bronni.ru
79.99.18.51	PTR	mail.umib.ru
79.99.18.53	PTR	mx4.umib.ru
79.99.18.86	A+PTR	mx2.diamech.ru
79.99.18.139	A	mail3.directum.ru
79.99.18.154	A+PTR	dc4.n-iland.ru
79.99.18.154	A	dendroterapiya.ru
79.99.18.154	A	nag8-c205-s3.bftel.ru
79.99.18.179	A	mail.l-invest.ru
79.99.18.181	A	cam.l-invest.ru
79.99.20.2	A+PTR	nag8-c205-s1.bftel.ru
79.99.20.2	A	dc1.n-iland.ru
79.99.20.4	PTR	nag8-c206-asa5540.n-iland.ru
79.99.20.9	PTR	it-mx.it-control.ru
79.99.20.13	PTR	jabber.mgtp.ru
79.99.20.98	A	ukrth.com
79.99.20.98	A	ns3.urtg.net
79.99.20.98	A	avel.urtg.net
79.99.20.100	PTR	mira.urtg.net
79.99.20.154	A+PTR	gw3.avto-trade.com
79.99.21.17	A+PTR	sip.bftel.ru
79.99.21.100	A+PTR	pa.bftel.ru
79.99.23.3	PTR	nag8-c205-asa5540-cluster.n-iland.ru
79.99.23.11	A+PTR	mail.n-iland.ru
79.99.23.18	PTR	billing.bftel.ru