Robtex

Up: 208.122.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 208.122.22.0/24
Down right: 208.122.23.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.122.22.1	PTR	anycast-ns-mail-support-with-questions.voxel.net
208.122.22.1	A	ns1.voxcdn.net
208.122.22.2	PTR	anycast-ns-mail-support-with-questions.voxel.net
208.122.22.2	A	ns2.voxcdn.net
208.122.22.21	PTR	ns.voxel.net
208.122.22.21	A	celebrationoftheseas.com
208.122.22.21	A	vvgame.com
208.122.22.22	PTR	ns2.voxel.net
208.122.22.22	A	cluster3.mindmedia.com.sg
208.122.22.22	A	ns2.v6.voxel.net
208.122.22.254	A	mirrors.voxel.net
208.122.23.22	A	3gmetalworx.cn
208.122.23.22	A	ns1.unblock-us.com
208.122.23.23	A	ns2.unblock-us.com
208.122.23.23	A	mail.3gmetalworx.cn