Robtex

Up: 159.130.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 159.130.8.0/23
Down right: 159.130.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
159.130.8.10	PTR	bibsrv.skien.folkebibl.no
159.130.8.10	A	sknbib.skien.folkebibl.no
159.130.8.42	PTR	mail.skien.kommune.no
159.130.8.42	A	mail.skienfritidspark.no
159.130.8.42	A	mail.bamble.kommune.no
159.130.8.97	A+PTR	ns1.sk-asp.no
159.130.8.112	A	bamble.folkebibl.no