Robtex

Up: 166.138.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 166.138.192.0/19
Down right: 166.138.224.0/19

IP	Type	Hostname
166.138.192.0	A	mobile-166-138-192-000.mycingular.net
166.138.192.2	A	mobile-166-138-192-002.mycingular.net
166.138.192.3	A+PTR	mobile-166-138-192-003.mycingular.net
166.138.192.5	A	mobile-166-138-192-005.mycingular.net
166.138.192.65	A	mobile-166-138-192-065.mycingular.net
166.138.192.66	A	mobile-166-138-192-066.mycingular.net
166.138.192.68	A+PTR	mobile-166-138-192-068.mycingular.net
166.138.192.69	A+PTR	mobile-166-138-192-069.mycingular.net
166.138.192.129	A	mobile-166-138-192-129.mycingular.net
166.138.192.130	A	mobile-166-138-192-130.mycingular.net
166.138.192.131	A	mobile-166-138-192-131.mycingular.net
166.138.192.133	A	mobile-166-138-192-133.mycingular.net
166.138.192.192	A	mobile-166-138-192-192.mycingular.net
166.138.192.193	A+PTR	mobile-166-138-192-193.mycingular.net
166.138.192.194	A	mobile-166-138-192-194.mycingular.net
166.138.192.197	A+PTR	mobile-166-138-192-197.mycingular.net
166.138.193.2	A+PTR	mobile-166-138-193-002.mycingular.net
166.138.197.1	A	mobile-166-138-197-001.mycingular.net
166.138.197.2	A+PTR	mobile-166-138-197-002.mycingular.net
166.138.197.4	A	mobile-166-138-197-004.mycingular.net
166.138.197.9	A	mobile-166-138-197-009.mycingular.net
166.138.197.67	A	mobile-166-138-197-067.mycingular.net
166.138.197.72	A	mobile-166-138-197-072.mycingular.net
166.138.197.75	A	mobile-166-138-197-075.mycingular.net
166.138.197.79	A	mobile-166-138-197-079.mycingular.net
166.138.197.128	A+PTR	mobile-166-138-197-128.mycingular.net
166.138.197.131	A	mobile-166-138-197-131.mycingular.net
166.138.197.133	A	mobile-166-138-197-133.mycingular.net
166.138.197.134	A	mobile-166-138-197-134.mycingular.net
166.138.197.193	A	mobile-166-138-197-193.mycingular.net
166.138.197.196	A	mobile-166-138-197-196.mycingular.net
166.138.197.200	A	mobile-166-138-197-200.mycingular.net
166.138.197.202	A	mobile-166-138-197-202.mycingular.net
166.138.214.0	A+PTR	mobile-166-138-214-000.mycingular.net
166.138.214.4	A	mobile-166-138-214-004.mycingular.net
166.138.214.9	A	mobile-166-138-214-009.mycingular.net
166.138.214.10	A	mobile-166-138-214-010.mycingular.net
166.138.214.64	A+PTR	mobile-166-138-214-064.mycingular.net
166.138.214.65	A+PTR	mobile-166-138-214-065.mycingular.net
166.138.214.75	A	mobile-166-138-214-075.mycingular.net
166.138.214.90	A	mobile-166-138-214-090.mycingular.net
166.138.214.128	A	mobile-166-138-214-128.mycingular.net
166.138.214.129	A+PTR	mobile-166-138-214-129.mycingular.net
166.138.214.132	A	mobile-166-138-214-132.mycingular.net
166.138.214.139	A	mobile-166-138-214-139.mycingular.net
166.138.214.196	A	mobile-166-138-214-196.mycingular.net
166.138.214.209	A	mobile-166-138-214-209.mycingular.net
166.138.214.213	A	mobile-166-138-214-213.mycingular.net
166.138.214.215	A	mobile-166-138-214-215.mycingular.net