Robtex

Up: 81.16.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 81.16.80.0/21
Down right: 81.16.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.16.84.99	PTR	xdsl-84-ppp99.tts.nov.ru
81.16.86.82	PTR	mail.m-nov.ru
81.16.86.82	A	novtruck.novgorod.net
81.16.86.82	A	www.sommer.ru
81.16.86.98	PTR	xdsl-86-ppp98.tts.nov.ru
81.16.87.6	A	ip1.parfum-vn.ru
81.16.88.209	PTR	xdsl-88-ppp209.tts.nov.ru
81.16.89.70	A	lnd.mosbalt.ru
81.16.90.1	PTR	xdsl-90-ppp1.tts.nov.ru