Robtex

Up: 77.77.166.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.77.167.0/25
Down right: 77.77.167.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.77.167.44	PTR	77.77.167.44.client.entry.bg
77.77.167.44	A	ns.entry.bg
77.77.167.55	A+PTR	77.77.167.55.client.entry.bg
77.77.167.55	A	ns1.dsoft-bg.com
77.77.167.55	A	ns1.entry.bg
77.77.167.56	A+PTR	77.77.167.56.client.entry.bg
77.77.167.56	A	ns2.entry.bg
77.77.167.58	PTR	77.77.167.58.client.entry.bg
77.77.167.58	A	client.entry.bg
77.77.167.102	PTR	77.77.167.102.client.entry.bg
77.77.167.119	A	smtp.qprint.bg
77.77.167.148	PTR	77.77.167.148.client.entry.bg
77.77.167.148	A	ns1.smb-plovdiv.org
77.77.167.148	A	www.fmi-plovdiv.org
77.77.167.211	PTR	77.77.167.211.client.entry.bg
77.77.167.211	A	promoland.bg