Robtex

Up: 1.36.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 1.36.164.0/23
Down right: 1.36.166.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
1.36.164.243	PTR	1-36-164-243.static.netvigator.com
1.36.165.0	PTR	1-36-165-000.static.netvigator.com
1.36.165.3	PTR	1-36-165-003.static.netvigator.com
1.36.165.7	PTR	1-36-165-007.static.netvigator.com
1.36.165.21	A+PTR	1-36-165-021.static.netvigator.com
1.36.165.26	A+PTR	1-36-165-026.static.netvigator.com
1.36.165.39	PTR	1-36-165-039.static.netvigator.com
1.36.165.40	A+PTR	1-36-165-040.static.netvigator.com
1.36.165.47	PTR	1-36-165-047.static.netvigator.com
1.36.165.49	A+PTR	1-36-165-049.static.netvigator.com
1.36.165.52	PTR	1-36-165-052.static.netvigator.com
1.36.165.68	PTR	1-36-165-068.static.netvigator.com
1.36.165.73	PTR	1-36-165-073.static.netvigator.com
1.36.165.75	PTR	1-36-165-075.static.netvigator.com
1.36.165.79	A+PTR	1-36-165-079.static.netvigator.com
1.36.165.81	PTR	1-36-165-081.static.netvigator.com
1.36.165.96	PTR	1-36-165-096.static.netvigator.com
1.36.165.98	A+PTR	1-36-165-098.static.netvigator.com
1.36.165.114	PTR	1-36-165-114.static.netvigator.com
1.36.166.1	A+PTR	1-36-166-001.static.netvigator.com
1.36.166.49	PTR	1-36-166-049.static.netvigator.com
1.36.166.90	A+PTR	1-36-166-090.static.netvigator.com
1.36.166.90	A	mail.lsch.tk
1.36.166.90	A	lsch.tk
1.36.166.197	A+PTR	1-36-166-197.static.netvigator.com
1.36.167.6	PTR	1-36-167-006.static.netvigator.com
1.36.167.19	A+PTR	1-36-167-019.static.netvigator.com
1.36.167.30	PTR	1-36-167-030.static.netvigator.com
1.36.167.31	PTR	1-36-167-031.static.netvigator.com
1.36.167.49	PTR	1-36-167-049.static.netvigator.com
1.36.167.60	A+PTR	1-36-167-060.static.netvigator.com
1.36.167.195	A	1-36-167-195.static.netvigator.com
1.36.167.209	A	cifos1.dyndns.org