Robtex

Up: 5.101.6.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 5.101.6.0/25
Down right: 5.101.6.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
5.101.6.1	PTR	sgw.pinspb.ru
5.101.6.37	A	siaprox.com
5.101.6.37	A	mail.siaprox.com
5.101.6.47	A	radioworldnews.ru
5.101.6.47	A	elite-indus.ru
5.101.6.47	A	promelectromet.ru
5.101.6.71	A	mail.putin-car.ru
5.101.6.71	A	mail.gimn-nur.ru
5.101.6.71	A	gimn-nur.ru
5.101.6.73	PTR	adheni.tk
5.101.6.79	PTR	infosender.tk
5.101.6.115	A	nbstroi.ru
5.101.6.132	PTR	amoglo.ru
5.101.6.143	PTR	ergorde.ru
5.101.6.164	A	www.mp3zv.ru
5.101.6.172	PTR	tyushena.ru
5.101.6.174	PTR	dtagan.ru
5.101.6.176	A	crinis.ru
5.101.6.180	PTR	rogrodi.ru
5.101.6.198	PTR	blizhelya.tk
5.101.6.200	A	cinemagia.us
5.101.6.200	A	sesamestreet.us
5.101.6.200	A	blackjeans.us
5.101.6.202	A	arendakapo.ru
5.101.6.202	A	gravis-sochi.ru
5.101.6.202	A	roc-avangard.ru
5.101.6.218	PTR	sezenye.tk
5.101.6.220	PTR	chatico.ru
5.101.6.232	PTR	sotnime.tk
5.101.6.235	PTR	mherovu.ru
5.101.6.242	PTR	geslade.tk
5.101.6.242	A	mailrumailsave.ru
5.101.6.242	A	mail.mailrumailsave.ru
5.101.6.249	PTR	ipselta.tk
5.101.6.249	A	mail.dnp-radonezh.ru
5.101.6.249	A	mail.alfainfo.ru
5.101.6.250	PTR	opostes.tk