Robtex

Up: 166.128.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 166.129.0.0/17
Down right: 166.129.128.0/17

IP	Type	Hostname
166.129.2.1	PTR	mobile-166-129-002-001.mycingular.net
166.129.9.2	PTR	mobile-166-129-009-002.mycingular.net
166.129.19.2	PTR	mobile-166-129-019-002.mycingular.net
166.129.24.2	PTR	mobile-166-129-024-002.mycingular.net
166.129.26.2	PTR	mobile-166-129-026-002.mycingular.net
166.129.27.2	PTR	mobile-166-129-027-002.mycingular.net
166.129.37.2	PTR	mobile-166-129-037-002.mycingular.net
166.129.110.212	A	mobile-166-129-110-212.mycingular.net
166.129.128.215	A	mobile-166-129-128-215.mycingular.net
166.129.129.149	A	mobile-166-129-129-149.mycingular.net
166.129.129.253	A	mobile-166-129-129-253.mycingular.net
166.129.131.110	A	mobile-166-129-131-110.mycingular.net
166.129.132.204	A	mobile-166-129-132-204.mycingular.net
166.129.141.114	A	mobile-166-129-141-114.mycingular.net
166.129.156.109	A	mobile-166-129-156-109.mycingular.net
166.129.164.132	A	mobile-166-129-164-132.mycingular.net
166.129.165.114	A	mobile-166-129-165-114.mycingular.net
166.129.175.118	A	mobile-166-129-175-118.mycingular.net
166.129.175.219	A	mobile-166-129-175-219.mycingular.net
166.129.175.240	A	mobile-166-129-175-240.mycingular.net
166.129.180.207	A	mobile-166-129-180-207.mycingular.net
166.129.187.188	A	mobile-166-129-187-188.mycingular.net
166.129.195.135	A	mobile-166-129-195-135.mycingular.net
166.129.212.137	A	mobile-166-129-212-137.mycingular.net
166.129.212.179	A	mobile-166-129-212-179.mycingular.net
166.129.212.214	A	mobile-166-129-212-214.mycingular.net
166.129.247.104	A	mobile-166-129-247-104.mycingular.net
166.129.249.229	A	mobile-166-129-249-229.mycingular.net