Robtex

Up: 77.87.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.87.2.0/25
Down right: 77.87.2.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.87.2.1	PTR	1.2.87.77.in-addr.arpa.czajen.pl
77.87.2.7	A	ns1.radiostaszow.pl
77.87.2.7	A	bolsat.eu
77.87.2.7	A	mail.radiostaszow.pl
77.87.2.11	PTR	11.2.87.77.in-addr.arpa.czajen.pl
77.87.2.11	A	remote.sama.pl
77.87.2.28	A	msk-net.pl