Robtex

Up: 77.81.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 77.81.50.0/24
Down right: 77.81.51.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.81.50.14	PTR	77.81.50.14.static.netlog.ro
77.81.50.95	PTR	77.81.50.95.static.netlog.ro
77.81.50.154	PTR	77.81.50.154.static.netlog.ro
77.81.50.169	PTR	77.81.50.169.static.netlog.ro
77.81.51.1	PTR	77.81.51.1.static.netlog.ro
77.81.51.1	A	ns3.netlog.ro
77.81.51.2	A+PTR	77.81.51.2.static.netlog.ro
77.81.51.19	A+PTR	77.81.51.19.static.netlog.ro
77.81.51.46	A+PTR	77.81.51.46.static.netlog.ro
77.81.51.52	A+PTR	77.81.51.52.static.netlog.ro
77.81.51.56	A	77.81.51.56.static.netlog.ro
77.81.51.146	A	77.81.51.146.static.netlog.ro
77.81.51.185	PTR	77.81.51.185.static.netlog.ro
77.81.51.253	PTR	77.81.51.253.static.netlog.ro
77.81.51.253	A	ns.medicale24.ro
77.81.51.253	A	cad4all.ro
77.81.51.254	PTR	77.81.51.254.static.netlog.ro
77.81.51.254	A	ns2.medicale24.ro
77.81.51.254	A	ns2.era-ft.com