Robtex

Up: 77.81.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.81.52.0/23
Down right: 77.81.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.81.52.0	PTR	77.81.52.0.static.netlog.ro
77.81.52.1	PTR	77.81.52.1.static.netlog.ro
77.81.52.1	A	kandrei.ro
77.81.52.31	PTR	77.81.52.31.static.netlog.ro
77.81.52.81	A+PTR	77.81.52.81.static.netlog.ro
77.81.52.95	A+PTR	77.81.52.95.static.netlog.ro
77.81.52.139	A+PTR	77.81.52.139.static.netlog.ro
77.81.52.202	A+PTR	77.81.52.202.static.netlog.ro
77.81.52.204	A+PTR	77.81.52.204.static.netlog.ro
77.81.53.4	PTR	77.81.53.4.static.netlog.ro
77.81.53.39	A+PTR	77.81.53.39.static.netlog.ro
77.81.53.176	A+PTR	77.81.53.176.static.netlog.ro
77.81.53.181	A+PTR	77.81.53.181.static.netlog.ro
77.81.53.242	A+PTR	77.81.53.242.static.netlog.ro
77.81.53.252	A+PTR	77.81.53.252.static.netlog.ro
77.81.54.1	PTR	mail.netlog.ro
77.81.54.1	A	beingawoman.ro
77.81.54.1	A	rohouse.com
77.81.54.28	PTR	77.81.54.28.static.netlog.ro
77.81.54.62	PTR	77.81.54.62.static.netlog.ro
77.81.55.8	PTR	77.81.55.8.static.netlog.ro
77.81.55.28	PTR	77.81.55.28.static.netlog.ro
77.81.55.157	A+PTR	77.81.55.157.static.netlog.ro
77.81.55.227	A+PTR	77.81.55.227.static.netlog.ro