Robtex

Up: 212.17.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.17.23.0/25
Down right: 212.17.23.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.17.23.17	A	nettle.ru
212.17.23.22	A	xn--54-plcq9c.xn--p1ai
212.17.23.22	A	zhkh54.ru
212.17.23.22	A	www.zhkh54.ru
212.17.23.130	PTR	h-23-130.siberia.net
212.17.23.130	A	mail.sibloto.siberia.net
212.17.23.130	A	sibloto.siberia.net
212.17.23.150	PTR	pfk-obnovlenie.ru
212.17.23.150	A	gramicidin.ru
212.17.23.150	A	mx.selectir.ru
212.17.23.151	A+PTR	mail.pfk-obnovlenie.ru
212.17.23.153	A+PTR	crm.pfk-obnovlenie.ru
212.17.23.153	A	mnpost.ru
212.17.23.203	PTR	mail.tajris.ru
212.17.23.203	A	mail.tdkalina.ru
212.17.23.225	A+PTR	nser.siberia.net