Robtex

Up: 80.81.56.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 80.81.56.0/24
Down right: 80.81.57.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.81.57.22	PTR	www.stikpoint.com
80.81.57.66	PTR	mail.kartes.lv
80.81.57.66	A	ns3.hosts.lv
80.81.57.67	A	mail.allegrrogrill.com
80.81.57.67	A	mail.gopalace.eu
80.81.57.67	A	*.allegrrogrill.com
80.81.57.68	PTR	mail.kartes.lv
80.81.57.68	A	fv9-2.failiem.lv
80.81.57.68	A	fv9-1.failiem.lv
80.81.57.70	PTR	web.hosts.lv
80.81.57.70	A	mail.omsa.lv
80.81.57.70	A	www.radionord.lv
80.81.57.71	PTR	web.hosts.lv
80.81.57.72	PTR	due.due.lv
80.81.57.75	PTR	75.hosts.lv
80.81.57.77	PTR	mail.owned.lv