Robtex

Up: 80.72.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 80.72.88.0/23
Down right: 80.72.90.0/23

IP	Type	Hostname
80.72.88.8	A+PTR	80.72.88.8.coresnet.bg
80.72.89.10	PTR	80.72.89.10.coresnet.bg
80.72.89.11	PTR	host-11.icnhost.net
80.72.89.95	A+PTR	80.72.89.95.coresnet.bg
80.72.89.194	A	ns.lakorda.bg
80.72.90.29	A	80.72.90.29.coresnet.bg
80.72.90.96	A+PTR	80.72.90.96.coresnet.bg
80.72.90.99	A+PTR	80.72.90.99.coresnet.bg
80.72.90.177	A+PTR	80.72.90.177.coresnet.bg
80.72.91.34	A+PTR	80.72.91.34.coresnet.bg