Robtex

Up: 81.231.144.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 81.231.146.0/24
Down right: 81.231.147.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.231.146.6	A+PTR	h6n9-kf-a11.ias.bredband.telia.com
81.231.146.28	A+PTR	h28n9-kf-a11.ias.bredband.telia.com
81.231.146.45	A+PTR	h45n9-kf-a11.ias.bredband.telia.com
81.231.146.62	A+PTR	h62n9-kf-a11.ias.bredband.telia.com
81.231.146.77	A+PTR	h77n9-kf-a11.ias.bredband.telia.com
81.231.146.95	A+PTR	h95n9-kf-a11.ias.bredband.telia.com
81.231.146.102	A+PTR	h102n9-kf-a11.ias.bredband.telia.com
81.231.146.117	A+PTR	h117n9-kf-a11.ias.bredband.telia.com
81.231.146.134	A+PTR	81-231-146-134-no49.tbcn.telia.com
81.231.146.136	A+PTR	81-231-146-136-no49.tbcn.telia.com
81.231.146.138	A+PTR	81-231-146-138-no49.tbcn.telia.com
81.231.146.139	A+PTR	81-231-146-139-no49.tbcn.telia.com
81.231.146.140	PTR	81-231-146-140-no49.tbcn.telia.com
81.231.146.142	A+PTR	81-231-146-142-no49.tbcn.telia.com
81.231.146.155	A+PTR	81-231-146-155-no49.tbcn.telia.com
81.231.146.157	A+PTR	81-231-146-157-no49.tbcn.telia.com
81.231.146.174	A+PTR	81-231-146-174-no49.tbcn.telia.com
81.231.146.175	A+PTR	81-231-146-175-no49.tbcn.telia.com
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
81.231.146.198	PTR	81-231-146-198-no600.tbcn.telia.com
81.231.146.198	A	81-231-146-198-no49.tbcn.telia.com
81.231.146.199	A+PTR	81-231-146-199-no49.tbcn.telia.com
81.231.146.201	A+PTR	81-231-146-201-no49.tbcn.telia.com
81.231.146.202	A+PTR	81-231-146-202-no49.tbcn.telia.com
81.231.146.214	A+PTR	81-231-146-214-no49.tbcn.telia.com
81.231.146.215	A+PTR	81-231-146-215-no49.tbcn.telia.com
81.231.146.216	A+PTR	81-231-146-216-no49.tbcn.telia.com
81.231.146.219	A+PTR	81-231-146-219-no49.tbcn.telia.com
81.231.146.222	A	*.k.advertise-web-page.com
81.231.146.222	A	3dns-2.submitwebpages.com
81.231.146.222	A	browseusers.seek-internet.net
81.231.146.234	A+PTR	81-231-146-234-no49.tbcn.telia.com
81.231.146.238	A+PTR	81-231-146-238-no49.tbcn.telia.com
81.231.146.243	A+PTR	81-231-146-243-no49.tbcn.telia.com
81.231.146.247	A+PTR	81-231-146-247-no49.tbcn.telia.com
81.231.146.248	A+PTR	81-231-146-248-no49.tbcn.telia.com
81.231.146.254	A+PTR	81-231-146-254-no49.tbcn.telia.com
81.231.147.4	A+PTR	h4n10-b2-d3.ias.bredband.telia.com
81.231.147.32	A+PTR	h32n10-b2-d3.ias.bredband.telia.com
81.231.147.46	A+PTR	h46n10-b2-d3.ias.bredband.telia.com
81.231.147.85	A+PTR	h85n10-b2-d3.ias.bredband.telia.com
81.231.147.136	A+PTR	81-231-147-136-no96.tbcn.telia.com
81.231.147.167	A+PTR	81-231-147-167-no96.tbcn.telia.com
81.231.147.167	A	mail.empo.se
81.231.147.167	A	www.empo.se
81.231.147.206	A	shahdesign.com