Robtex

Up: 31.128.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 31.128.156.0/23
Down right: 31.128.158.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.128.156.59	A+PTR	nat-31-128-156-59.pool.powernet.com.ru
31.128.156.205	A	sscorpio.ru
31.128.156.205	A	2gis.pro
31.128.158.97	PTR	nat-31-128-158-97.pool.powernet.com.ru
31.128.158.163	A+PTR	nat-31-128-158-163.pool.powernet.com.ru
31.128.159.3	A+PTR	ns8.powernet.com.ru
31.128.159.4	PTR	ip-31-128-159-4.discovery-powernet
31.128.159.4	A	mirrors.powernet.com.ru
31.128.159.34	A	test.powernet.com.ru
31.128.159.35	PTR	servhost.powernet.com.ru
31.128.159.35	A	megaplan.powernet.com.ru
31.128.159.35	A	gvol.ru
31.128.159.37	PTR	ns-pnhost.gvol.ru
31.128.159.37	A	ml4all.ru
31.128.159.37	A	vsport.pnhost.ru
31.128.159.38	PTR	game.gvol.ru
31.128.159.39	A	stat.gvol.ru
31.128.159.40	A+PTR	media-zona.gvol.ru
31.128.159.40	A	sqdesign.ru
31.128.159.41	PTR	bitrix.powernet.com.ru
31.128.159.43	A+PTR	webhost.powernet.com.ru
31.128.159.43	A	sqdesign.ru
31.128.159.43	A	iptv.powernet.com.ru
31.128.159.44	PTR	mail.freeware.pvt
31.128.159.44	A	photomax.biz
31.128.159.45	A	speedtest.powernet.com.ru
31.128.159.46	A	volplus.ru
31.128.159.46	A	www.lancom.ru
31.128.159.49	A+PTR	mail.gvol.ru
31.128.159.49	A	mail.powernet.com.ru
31.128.159.49	A	ns3.gvol.ru
31.128.159.50	PTR	ip-31-128-159-50.discovery-powernet
31.128.159.50	A	easy-dev.ru
31.128.159.53	A+PTR	no-ddos-pw.gvol.ru
31.128.159.55	A+PTR	ns9.powernet.com.ru
31.128.159.56	PTR	ip-31-128-159-56.discovery-powernet
31.128.159.56	A	work.powernet.com.ru
31.128.159.56	A	stat.gvol.ru
31.128.159.59	PTR	www-old.powernet.com.ru
31.128.159.59	A	gvol.ru
31.128.159.59	A	tv.powernet.com.ru
31.128.159.61	A+PTR	mx.gvol.ru
31.128.159.67	A+PTR	mail.volpi.ru
31.128.159.186	A	proxy.scandata.ru
31.128.159.187	PTR	scandata.ru
31.128.159.187	A	ns.glavservice.ru
31.128.159.187	A	www.igbts.ru