Robtex

Up: 173.245.216.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 173.245.218.0/24
Down right: 173.245.219.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.245.218.72	A+PTR	old-doppler.sl1.hwcdn.net
173.245.218.129	A+PTR	doppler.sl1.hwcdn.net
173.245.218.224	PTR	unknown.puregig.net
173.245.218.225	PTR	unknown.puregig.net
173.245.218.229	PTR	unknown.puregig.net
173.245.218.229	A+PTR	icn-x02.oob.puregig.net
173.245.219.2	A+PTR	sel-a01.ipvanish.com
173.245.219.2	A	sel-a01.vpn.ipvanish.com
173.245.219.3	A+PTR	sel-a02.ipvanish.com
173.245.219.3	A	sel-a02.vpn.ipvanish.com
173.245.219.6	A+PTR	sel-a03.ipvanish.com
173.245.219.6	A+PTR	173-245-219-6.ipvanish.com
173.245.219.6	A	sel-a03.vpn.ipvanish.com
173.245.219.7	PTR	173-245-219-7.wlvpn.com
173.245.219.7	A	sel.wlvpn.com
173.245.219.8	A+PTR	173-245-219-8.ipvanish.com
173.245.219.8	A+PTR	sel-a04.ipvanish.com
173.245.219.8	A	sel.ipvanish.com
173.245.219.9	PTR	unknown.puregig.net
173.245.219.9	A	sel.wlvpn.com
173.245.219.10	PTR	unknown.puregig.net
173.245.219.10	A	173-245-219-10.ipvanish.com
173.245.219.10	A	sel-a06.ipvanish.com
173.245.219.33	PTR	173-245-219-33.ipvanish.com
173.245.219.34	PTR	173-245-219-34.ipvanish.com
173.245.219.37	PTR	173-245-219-37.ipvanish.com
173.245.219.40	PTR	173-245-219-40.ipvanish.com
173.245.219.41	PTR	173-245-219-41.ipvanish.com
173.245.219.42	PTR	173-245-219-42.ipvanish.com
173.245.219.43	PTR	173-245-219-43.ipvanish.com
173.245.219.45	PTR	173-245-219-45.ipvanish.com
173.245.219.47	PTR	173-245-219-47.ipvanish.com
173.245.219.48	PTR	173-245-219-48.ipvanish.com
173.245.219.67	A+PTR	173-245-219-67.wlvpn.com
173.245.219.67	A	sel.wlvpn.com
173.245.219.68	PTR	173-245-219-68.ipvanish.com
173.245.219.132	PTR	173-245-219-132.ipvanish.com
173.245.219.137	PTR	unknown.puregig.net
173.245.219.138	PTR	173-245-219-138.ipvanish.com
173.245.219.193	A+PTR	173-245-219-193.wlvpn.com
173.245.219.193	A	sel.wlvpn.com