Robtex

Up: 104.168.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 104.168.12.0/24
Down right: 104.168.13.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
104.168.12.2	PTR
104.168.12.10	A	ns2.goteamonline.com
104.168.12.44	PTR	104-168-12-44-host.colocrossing.com
104.168.12.60	PTR	104-168-12-60-host.colocrossing.com
104.168.12.77	PTR	104-168-12-77-host.colocrossing.com
104.168.12.80	PTR	104-168-12-80-host.colocrossing.com
104.168.12.90	PTR	104-168-12-90-host.colocrossing.com
104.168.12.109	PTR	104-168-12-109-host.colocrossing.com
104.168.12.115	PTR	104-168-12-115-host.colocrossing.com
104.168.12.130	A+PTR	decelerometer.net
104.168.12.132	A+PTR	reliever.decelerometer.net
104.168.12.175	A+PTR	motivate.epidotic.com
104.168.12.246	PTR	test.unfervid.com
104.168.13.2	PTR	104-168-13-2-host.colocrossing.com
104.168.13.6	PTR	104-168-13-6-host.colocrossing.com
104.168.13.20	A	simplisticanchor.com
104.168.13.20	A	tacklingsuffer.com
104.168.13.20	A	absentblip-seleer150.com
104.168.13.25	PTR	104-168-13-25-host.colocrossing.com
104.168.13.25	A	hartchildless.com
104.168.13.25	A	ailboythorn-seller55.com
104.168.13.67	A	ns1.mymasterweb.com
104.168.13.68	A	ns2.mymasterweb.com
104.168.13.70	PTR	104-168-13-70-host.colocrossing.com
104.168.13.77	PTR	104-168-13-77-host.colocrossing.com
104.168.13.78	PTR	104-168-13-78-host.colocrossing.com
104.168.13.81	PTR	104-168-13-81-host.colocrossing.com
104.168.13.85	PTR	104-168-13-85-host.colocrossing.com
104.168.13.94	PTR	104-168-13-94-host.colocrossing.com
104.168.13.97	PTR	104-168-13-97-host.colocrossing.com
104.168.13.99	PTR	104-168-13-99-host.colocrossing.com
104.168.13.100	PTR	104-168-13-100-host.colocrossing.com
104.168.13.108	PTR	104-168-13-108-host.colocrossing.com
104.168.13.122	A	financialsorcerer.com
104.168.13.194	PTR	104-168-13-194-host.colocrossing.com
104.168.13.210	PTR	104-168-13-210-host.colocrossing.com
104.168.13.218	PTR	104-168-13-218-host.colocrossing.com
104.168.13.229	PTR	104-168-13-229-host.colocrossing.com