Robtex

Up: 173.245.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.245.216.0/22
Down right: 173.245.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
173.245.216.72	A+PTR	doppler.tk1.hwcdn.net
173.245.216.80	A+PTR	cns002.tk1.hwcdn.net
173.245.216.195	PTR	unknown.hwng.net
173.245.216.224	PTR	unknown.puregig.net
173.245.216.227	PTR	unknown.puregig.net
173.245.216.249	PTR	unknown.hwng.net
173.245.217.2	A+PTR	nrt-a01.ipvanish.com
173.245.217.2	A+PTR	173-245-217-2.ipvanish.com
173.245.217.2	A	nrt.ipvanish.com
173.245.217.3	PTR	nrt-a02.ipvanish.com
173.245.217.3	A+PTR	173-245-217-3.ipvanish.com
173.245.217.3	A	nrt.ipvanish.com
173.245.217.10	A	tok-tok-jpn.openvpn2.getcloakvpn.com
173.245.217.11	A+PTR	173-245-217-11.ipvanish.com
173.245.217.11	A+PTR	nrt-a03.ipvanish.com
173.245.217.11	A	nrt.ipvanish.com
173.245.217.13	PTR	unknown.puregig.net
173.245.217.13	A	nrt.ipvanish.com
173.245.217.15	PTR	nrt-a04.ipvanish.com
173.245.217.15	PTR	173-245-217-15.ipvanish.com
173.245.217.15	A	nrt.ipvanish.com
173.245.217.17	A+PTR	nrt-a06.ipvanish.com
173.245.217.17	A+PTR	173-245-217-17.ipvanish.com
173.245.217.17	A	nrt.ipvanish.com
173.245.217.56	PTR	unknown.puregig.net
173.245.217.69	PTR	173-245-217-69.ipvanish.com
173.245.217.76	PTR	173-245-217-76.ipvanish.com
173.245.217.117	PTR	173-245-217-117.ipvanish.com
173.245.217.119	PTR	173-245-217-119.ipvanish.com
173.245.217.129	PTR	173-245-217-129.ipvanish.com
173.245.217.147	PTR	173-245-217-147.ipvanish.com
173.245.217.148	PTR	173-245-217-148.ipvanish.com
173.245.217.160	PTR	173-245-217-160.ipvanish.com
173.245.217.164	PTR	173-245-217-164.ipvanish.com
173.245.217.165	PTR	173-245-217-165.ipvanish.com
173.245.217.166	PTR	173-245-217-166.ipvanish.com
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	A	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	PTR	sel-a03.ipvanish.com
173.245.219.6	PTR	173-245-219-6.ipvanish.com
173.245.219.6	A	sel.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-a04.vpn.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
173.245.219.33	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
173.245.219.48	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
173.245.223.18	A	ai-liao.com
173.245.223.19	A	ai-liao.com
173.245.223.20	A	ai-liao.com
173.245.223.21	A	ai-liao.com
173.245.223.22	A	ai-liao.com
173.245.223.23	A	ai-liao.com
173.245.223.25	A	the668.com
173.245.223.26	A	the668.com
173.245.223.27	A	the668.com
173.245.223.28	A	the668.com