Robtex

Up: 81.231.146.160/27
Can't show all results, try to descend to a more specific CIDR
Down left: 81.231.146.176/29
Down right: 81.231.146.184/29
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.231.146.178	A+PTR	81-231-146-178-no49.tbcn.telia.com
81.231.146.185	A+PTR	81-231-146-185-no49.tbcn.telia.com
81.231.146.185	A	mail.thorwid.se
81.231.146.185	A	mail.christianthorwid.se
81.231.146.187	A+PTR	81-231-146-187-no49.tbcn.telia.com
81.231.146.188	A+PTR	81-231-146-188-no49.tbcn.telia.com
81.231.146.191	A+PTR	81-231-146-191-no49.tbcn.telia.com