Robtex

Up: 103.246.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.246.200.0/23
Down right: 103.246.202.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.246.200.0	PTR	103-246-200-0.rdns.blackberry.net
103.246.200.3	PTR	103-246-200-3.rdns.blackberry.net
103.246.200.5	PTR	103-246-200-5.rdns.blackberry.net
103.246.200.11	PTR	103-246-200-11.rdns.blackberry.net
103.246.200.14	PTR	103-246-200-14.rdns.blackberry.net
103.246.200.33	PTR	103-246-200-33.rdns.blackberry.net
103.246.200.47	PTR	103-246-200-47.rdns.blackberry.net
103.246.200.51	PTR	103-246-200-51.rdns.blackberry.net
103.246.200.136	A+PTR	103-246-200-136.rdns.blackberry.net
103.246.200.136	A	hk.bbsecure.com
103.246.200.136	A	cc.bbsecure.com
103.246.200.139	PTR	103-246-200-139.rdns.blackberry.net
103.246.200.148	PTR	103-246-200-148.rdns.blackberry.net
103.246.200.148	A	ap.turnd.bbsecure.blackberry.com
103.246.200.152	PTR	103-246-200-152.rdns.blackberry.net
103.246.200.158	PTR	103-246-200-158.rdns.blackberry.net
103.246.201.4	PTR	103-246-201-4.rdns.blackberry.net
103.246.201.16	PTR	103-246-201-16.rdns.blackberry.net
103.246.201.17	PTR	103-246-201-17.rdns.blackberry.net
103.246.201.32	PTR	103-246-201-32.rdns.blackberry.net
103.246.201.46	PTR	103-246-201-46.rdns.blackberry.net
103.246.201.48	PTR	103-246-201-48.rdns.blackberry.net
103.246.201.50	PTR	103-246-201-50.rdns.blackberry.net
103.246.201.57	PTR	103-246-201-57.rdns.blackberry.net
103.246.201.138	PTR	103-246-201-138.rdns.blackberry.net
103.246.201.139	PTR	103-246-201-139.rdns.blackberry.net
103.246.201.139	A	ap.turnb.bbsecure.blackberry.com
103.246.201.148	PTR	103-246-201-148.rdns.blackberry.net
103.246.201.148	A	ap.turnd.bbsecure.dyn.blackberry.net
103.246.201.154	PTR	103-246-201-154.rdns.blackberry.net
103.246.201.155	PTR	103-246-201-155.rdns.blackberry.net
103.246.201.202	PTR	103-246-201-202.rdns.blackberry.net
103.246.202.12	PTR	103-246-202-12.rdns.blackberry.net
103.246.202.13	PTR	103-246-202-13.rdns.blackberry.net
103.246.202.25	PTR	103-246-202-25.rdns.blackberry.net
103.246.202.34	A	turn.voip.dyn.blackberry.net
103.246.202.35	A	turn.voip.dyn.blackberry.net
103.246.202.36	A	turn.voip.dyn.blackberry.net
103.246.202.37	A	turn.voip.dyn.blackberry.net
103.246.202.38	PTR	103-246-202-38.rdns.blackberry.net
103.246.202.38	A	turn.voip.dyn.blackberry.net
103.246.202.39	A	turn.voip.dyn.blackberry.net
103.246.202.40	A	turn.voip.dyn.blackberry.net
103.246.202.41	PTR	103-246-202-41.rdns.blackberry.net
103.246.202.41	A	turn.voip.dyn.blackberry.net
103.246.202.42	A	turn.voip.dyn.blackberry.net
103.246.202.44	A	turn.voip.dyn.blackberry.net
103.246.202.45	A	turn.voip.dyn.blackberry.net
103.246.202.46	A	turn.voip.dyn.blackberry.net
103.246.202.47	A	turn.voip.dyn.blackberry.net
103.246.202.48	A	turn.voip.dyn.blackberry.net
103.246.202.49	A	turn.voip.dyn.blackberry.net
103.246.202.50	A	turn.voip.dyn.blackberry.net
103.246.202.110	A	turn.voip.dyn.blackberry.net
103.246.202.111	PTR	103-246-202-111.rdns.blackberry.net
103.246.202.111	A	turn.voip.dyn.blackberry.net
103.246.202.112	A	turn.voip.dyn.blackberry.net
103.246.202.113	A	turn.voip.dyn.blackberry.net
103.246.202.114	PTR	103-246-202-114.rdns.blackberry.net
103.246.202.114	A	turn.voip.dyn.blackberry.net
103.246.202.115	A	turn.voip.dyn.blackberry.net
103.246.202.116	A	turn.voip.dyn.blackberry.net
103.246.202.117	A	turn.voip.dyn.blackberry.net
103.246.202.118	A	turn.voip.dyn.blackberry.net
103.246.202.119	PTR	103-246-202-119.rdns.blackberry.net
103.246.202.119	A	turn.voip.dyn.blackberry.net
103.246.202.120	A	turn.voip.dyn.blackberry.net
103.246.202.121	A	turn.voip.dyn.blackberry.net
103.246.202.122	A	turn.voip.dyn.blackberry.net
103.246.202.123	A	turn.voip.dyn.blackberry.net
103.246.202.124	A	turn.voip.dyn.blackberry.net