Robtex

Up: 216.211.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.211.144.0/21
Down right: 216.211.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.211.144.0	PTR	0.144.211.216.in-addr.arpa.charlottecolo.com
216.211.144.32	PTR	mail.domain.com
216.211.144.64	PTR	mail.domain.com
216.211.144.112	PTR	mail.domain.com
216.211.144.113	PTR	mail.domain.com
216.211.144.115	PTR	mail.domain.com
216.211.144.131	PTR	mail.domain.com
216.211.144.162	PTR	mail.domain.com
216.211.144.195	PTR	mail.domain.com
216.211.145.1	A	coluabiimes.info
216.211.145.2	A	ns1.coluabiimes.info
216.211.145.3	A	ns2.coluabiimes.info
216.211.145.48	PTR	mail.domain.com
216.211.145.93	A	216-211-145-93.coluabiimes.info
216.211.145.98	A	sciencefictionmovie.net
216.211.145.128	PTR	mail.domain.com
216.211.145.129	PTR	mail.domain.com
216.211.145.131	A+PTR	216-211-145-131.coluabiimes.info
216.211.145.162	PTR	mail.domain.com
216.211.145.192	PTR	mail.domain.com
216.211.146.1	A+PTR	216-211-146-1.reltccomimo.info
216.211.146.1	A	reltccomimo.info
216.211.146.2	A+PTR	216-211-146-2.reltccomimo.info
216.211.146.2	A	ns1.reltccomimo.info
216.211.146.3	PTR	216-211-146-3.reltccomimo.info
216.211.146.68	PTR	68.146.211.216.gsquarednetworks.com
216.211.146.87	PTR	87.146.211.216.gsquarednetworks.com
216.211.146.89	PTR	89.146.211.216.gsquarednetworks.com
216.211.146.90	PTR	216-211-146-90.reltccomimo.info
216.211.146.90	A	tchadeong.com
216.211.146.90	A	bensthro.com
216.211.147.195	PTR	2458-exit.womanoff.com
216.211.150.9	A	projectshows.com
216.211.152.8	A	ns1.heartension.com
216.211.152.49	A	ns2.heartension.com
216.211.152.194	PTR	shutdown-chkdsk.gambelcapacity.com
216.211.153.19	A	mail.ma4sbhc.org
216.211.153.50	PTR	mail.domain.com
216.211.153.112	PTR	mail.domain.com
216.211.153.130	PTR	mail.domain.com
216.211.153.131	PTR	mail.domain.com
216.211.153.145	PTR	145.153.211.216.in-addr.arpa.charlottecolo.com
216.211.153.161	PTR	mail.domain.com
216.211.153.193	PTR	mail.domain.com
216.211.153.208	PTR	mail.domain.com
216.211.154.32	PTR	mail.domain.com
216.211.154.112	PTR	mail.domain.com
216.211.154.114	PTR	114.154.211.216.in-addr.arpa.charlottecolo.com
216.211.154.115	PTR	mail.domain.com
216.211.154.129	PTR	129.154.211.216.in-addr.arpa.charlottecolo.com
216.211.154.145	PTR	mail.domain.com
216.211.154.241	PTR	mail.domain.com
216.211.155.51	PTR	mail.domain.com
216.211.155.146	PTR	mail.domain.com
216.211.155.225	PTR	mail.domain.com
216.211.156.64	PTR	64.156.211.216.gsquarednetworks.com
216.211.158.80	A	ns2.iseclever.net
216.211.159.44	A	ns1.iseclever.net