Robtex

Up: 213.158.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 213.158.16.0/25
Down right: 213.158.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
213.158.16.1	A+PTR	tronix.atnet.ru
213.158.16.2	PTR	news.atnet.ru
213.158.16.3	A+PTR	zion.atnet.ru
213.158.16.3	A	relay1.atnet.ru
213.158.16.5	A+PTR	matrix.atnet.ru
213.158.16.5	A+PTR	ns.atnet.ru
213.158.16.5	A	www.nsca.ru
213.158.16.6	A+PTR	sonix.atnet.ru
213.158.16.6	A	mx0.artelecom.ru
213.158.16.6	A	proxy.artelecom.ru
213.158.16.7	A+PTR	phoenix.atnet.ru
213.158.16.7	A	relay0.atnet.ru
213.158.16.7	A	relay.atnet.ru
213.158.16.8	PTR	vortex.atnet.ru
213.158.16.8	A	www.nsca.ru
213.158.16.8	A	arh-zaton.ru
213.158.16.15	A+PTR	edelweiss.atnet.ru
213.158.16.15	A	ns2.atnet.ru
213.158.16.28	PTR	vortex2.atnet.ru
213.158.16.39	A+PTR	scan.artelecom.ru
213.158.16.41	A+PTR	mailout.artelecom.ru
213.158.16.44	A+PTR	carfax.artelecom.ru
213.158.16.95	A+PTR	mailgw.artelecom.ru