Robtex

Up: 37.77.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.77.135.0/25
Down right: 37.77.135.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.77.135.0	PTR	37-77-135-0.obit.ru
37.77.135.2	A+PTR	office-vp.spb.ru
37.77.135.5	PTR	vpmail.office-vp.spb.ru
37.77.135.5	A	mail.glav-meh.ru
37.77.135.5	A	mail.evrocint.ru
37.77.135.30	PTR	37-77-135-30.obit.ru
37.77.135.198	A+PTR	gate-obit.mezon.ru