Robtex

Up: 78.128.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 78.128.68.0/23
Down right: 78.128.70.0/23

IP	Type	Hostname
78.128.68.2	PTR	host.68.2.bol-bg.com
78.128.68.4	PTR	ip-68-4.powernet.bg
78.128.68.4	A	doncho.eu
78.128.68.6	PTR	host.68.6.bol-bg.com
78.128.68.42	PTR	host.68.42.bol-bg.com
78.128.68.48	PTR	host.68.48.bol-bg.com
78.128.68.50	PTR	host.68.50.bol-bg.com
78.128.68.78	PTR	host.68.78.bol-bg.com
78.128.68.94	PTR	ns27.rookdns.com
78.128.68.95	PTR	host.68.95.bol-bg.com
78.128.68.110	PTR	host.68.110.bol-bg.com
78.128.68.125	PTR	host.68.125.bol-bg.com
78.128.68.141	PTR	host.68.141.bol-bg.com
78.128.68.202	PTR	host.68.202.bol-bg.com
78.128.68.209	PTR	ns27.rookdns.com
78.128.68.210	PTR	ip-68-210.powernet.bg
78.128.68.220	PTR	host.68.220.bol-bg.com
78.128.68.237	PTR	host.68.237.bol-bg.com
78.128.68.240	PTR	host.68.240.bol-bg.com
78.128.69.15	PTR	host.69.15.bol-bg.com
78.128.69.36	PTR	ip-69-36.powernet.bg
78.128.69.111	PTR	host.69.111.bol-bg.com
78.128.69.178	PTR	ip-69-178.powernet.bg
78.128.69.178	A	rudy96.com
78.128.69.234	PTR	ip-69-234.powernet.bg
78.128.70.1	PTR	host.70.1.bol-bg.com
78.128.70.28	PTR	host.70.28.bol-bg.com
78.128.70.53	A	ip-70-53.powernet.bg
78.128.70.172	PTR	ip-70-172.powernet.bg
78.128.71.32	PTR	host.71.32.bol-bg.com
78.128.71.39	PTR	host.71.39.bol-bg.com
78.128.71.59	PTR	host.71.59.bol-bg.com
78.128.71.62	PTR	host.71.62.bol-bg.com
78.128.71.105	PTR	host.71.105.bol-bg.com
78.128.71.125	PTR	ip-71-125.powernet.bg
78.128.71.127	PTR	host.71.127.bol-bg.com
78.128.71.136	PTR	host.71.136.bol-bg.com
78.128.71.139	PTR	ip-71-139.powernet.bg
78.128.71.140	PTR	host.71.140.bol-bg.com
78.128.71.141	PTR	host.71.141.bol-bg.com
78.128.71.151	PTR	ip-71-151.powernet.bg
78.128.71.153	PTR	host.71.153.bol-bg.com
78.128.71.163	PTR	ip-71-163.powernet.bg
78.128.71.163	A	viliev.com
78.128.71.183	PTR	host.71.183.bol-bg.com
78.128.71.189	A	www.prolope.net
78.128.71.212	PTR	host.71.212.bol-bg.com
78.128.71.231	PTR	host.71.231.bol-bg.com
78.128.71.237	PTR	host.71.237.bol-bg.com
78.128.71.242	PTR	host.71.242.bol-bg.com
78.128.71.246	PTR	host.71.246.bol-bg.com
78.128.71.251	PTR	host.71.251.bol-bg.com
78.128.71.254	PTR	host.71.254.bol-bg.com