Robtex

Up: 206.51.160.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 206.51.160.0/22
Down right: 206.51.164.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.51.160.5	A+PTR	smtp1103.redcondor.net
206.51.160.5	A	vmx.roessnerenergyproducts.com.redcondor.net
206.51.160.5	A	rubberrecyclingtech.com.mx1.hometowncable.rcimx.net
206.51.160.11	PTR	206-51-160-11.nktelco.net
206.51.160.11	A	roessnerenergyproducts.com
206.51.160.11	A	americanpolymerrecycling.com
206.51.160.12	PTR	mail.hometowncable.net
206.51.160.65	A	206-51-160-65.nktelco.net
206.51.160.66	A	chdickman.com
206.51.161.79	A	206-51-161-79.nktelco.net
206.51.161.136	A	206-51-161-136.nktelco.net
206.51.161.141	A	206-51-161-141.nktelco.net
206.51.161.148	A	206-51-161-148.nktelco.net
206.51.161.150	A	206-51-161-150.nktelco.net
206.51.161.164	A	206-51-161-164.nktelco.net
206.51.162.47	A+PTR	206-51-162-47.nktelco.net
206.51.162.156	A	206-51-162-156.nktelco.net
206.51.162.177	A+PTR	206-51-162-177.nktelco.net
206.51.162.181	A+PTR	206-51-162-181.nktelco.net
206.51.162.246	A+PTR	206-51-162-246.nktelco.net
206.51.163.50	A+PTR	206-51-163-50.nktelco.net
206.51.163.50	A	greenprintinginitiative.info
206.51.163.51	PTR	206-51-163.51.nktelco.net
206.51.163.51	A	ecolith-green.com
206.51.163.51	A	ecolith-offset.com
206.51.163.52	PTR	206-51-163-52.nktelco.net
206.51.163.236	A	206-51-163-236.nktelco.net
206.51.164.6	A	206-51-164-6.nktelco.net
206.51.164.9	A+PTR	206-51-164-9.nktelco.net
206.51.164.10	PTR	rdns.164.10.hometowncable.net
206.51.164.12	A	206-51-164-12.nktelco.net
206.51.164.16	A+PTR	206-51-164-16.nktelco.net
206.51.164.23	A	206-51-164-23.nktelco.net
206.51.164.24	A+PTR	206-51-164-24.nktelco.net
206.51.164.25	A+PTR	206-51-164-25.nktelco.net
206.51.164.41	A+PTR	206-51-164-41.nktelco.net
206.51.164.44	A	206-51-164-44.nktelco.net
206.51.164.45	A	206-51-164-45.nktelco.net
206.51.164.47	A	206-51-164-47.nktelco.net
206.51.164.49	A+PTR	206-51-164-49.nktelco.net
206.51.164.50	A+PTR	206-51-164-50.nktelco.net
206.51.164.57	A+PTR	206-51-164-57.nktelco.net
206.51.164.64	A+PTR	206-51-164-64.nktelco.net
206.51.164.69	A	206-51-164-69.nktelco.net
206.51.164.72	A+PTR	206-51-164-72.nktelco.net
206.51.164.73	A+PTR	206-51-164-73.nktelco.net
206.51.164.74	A+PTR	206-51-164-74.nktelco.net
206.51.164.76	A	206-51-164-76.nktelco.net
206.51.164.82	A+PTR	206-51-164-82.nktelco.net
206.51.164.87	A	206-51-164-87.nktelco.net
206.51.164.96	A+PTR	206-51-164-96.nktelco.net
206.51.164.99	A+PTR	206-51-164-99.nktelco.net
206.51.164.102	A	206-51-164-102.nktelco.net
206.51.164.103	A	206-51-164-103.nktelco.net
206.51.164.107	A+PTR	206-51-164-107.nktelco.net
206.51.164.108	A	206-51-164-108.nktelco.net
206.51.164.110	A	206-51-164-110.nktelco.net
206.51.164.111	A	206-51-164-111.nktelco.net
206.51.164.116	A	206-51-164-116.nktelco.net
206.51.164.122	A+PTR	206-51-164-122.nktelco.net
206.51.164.123	A+PTR	206-51-164-123.nktelco.net
206.51.164.135	A	206-51-164-135.nktelco.net
206.51.164.137	A+PTR	206-51-164-137.nktelco.net
206.51.164.142	A	206-51-164-142.nktelco.net
206.51.164.143	A	206-51-164-143.nktelco.net
206.51.164.151	A	206-51-164-151.nktelco.net
206.51.164.155	A+PTR	206-51-164-155.nktelco.net
206.51.164.156	A	206-51-164-156.nktelco.net
206.51.164.157	A	206-51-164-157.nktelco.net
206.51.164.161	A+PTR	206-51-164-161.nktelco.net
206.51.164.163	A+PTR	206-51-164-163.nktelco.net
206.51.164.164	A	206-51-164-164.nktelco.net
206.51.164.166	A	206-51-164-166.nktelco.net
206.51.164.169	A+PTR	206-51-164-169.nktelco.net
206.51.164.182	A	206-51-164-182.nktelco.net
206.51.164.186	A+PTR	206-51-164-186.nktelco.net
206.51.164.191	A	206-51-164-191.nktelco.net
206.51.164.195	A+PTR	206-51-164-195.nktelco.net
206.51.164.196	A	206-51-164-196.nktelco.net
206.51.164.205	A	206-51-164-205.nktelco.net
206.51.164.207	A	206-51-164-207.nktelco.net
206.51.164.209	A+PTR	206-51-164-209.nktelco.net
206.51.164.210	A+PTR	206-51-164-210.nktelco.net
206.51.164.211	A+PTR	206-51-164-211.nktelco.net
206.51.164.213	A	206-51-164-213.nktelco.net
206.51.164.216	A+PTR	206-51-164-216.nktelco.net
206.51.164.225	A+PTR	206-51-164-225.nktelco.net
206.51.164.227	A+PTR	206-51-164-227.nktelco.net
206.51.164.235	A+PTR	206-51-164-235.nktelco.net
206.51.164.236	A	206-51-164-236.nktelco.net
206.51.164.238	A	206-51-164-238.nktelco.net
206.51.164.245	A	206-51-164-245.nktelco.net
206.51.164.253	A	206-51-164-253.nktelco.net
206.51.165.99	A	chdickman.com
206.51.166.136	PTR	206-51-166-136.nktelco.net
206.51.166.136	A	mail.polyconceptsllc.com
206.51.166.136	A	mail.polyconcepts.com
206.51.166.241	A	206-51-166-241.nktelco.net
206.51.166.243	A	206-51-166-243.nktelco.net
206.51.166.245	A	206-51-166-245.nktelco.net
206.51.166.254	A	mx2.valcompanies.com
206.51.166.254	A	mx2.vallorbs.com
206.51.167.56	A	206-51-167-56.nktelco.net