Robtex

Up: 206.128.120.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 206.128.120.0/24
Down right: 206.128.121.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.128.120.0	A+PTR	206-128-120-0.utilitytelephone.net
206.128.120.2	PTR	v206.edge.lsan.utilitytelephone.net
206.128.120.10	A+PTR	206-128-120-10.utilitytelephone.net
206.128.120.11	A+PTR	206-128-120-11.utilitytelephone.net
206.128.120.12	A+PTR	206-128-120-12.utilitytelephone.net
206.128.120.14	A+PTR	206-128-120-14.utilitytelephone.net
206.128.120.16	A+PTR	206-128-120-16.utilitytelephone.net
206.128.120.17	A+PTR	vlan30.core1.lsancarc.utilitytelephone.net
206.128.120.19	A+PTR	206-128-120-19.utilitytelephone.net
206.128.120.24	A+PTR	206-128-120-24.utilitytelephone.net
206.128.120.28	A+PTR	vlan31.core2.lsancarc.utilitytelephone.net
206.128.120.38	A+PTR	206-128-120-38.utilitytelephone.net
206.128.120.38	A	authdns02.callamerica.com
206.128.120.40	A+PTR	206-128-120-40.utilitytelephone.net
206.128.120.40	A	authdns02.utilitytelephone.net
206.128.120.41	A+PTR	206-128-120-41.utilitytelephone.net
206.128.120.42	A+PTR	www4.utilitytelephone.com
206.128.120.42	A	206-128-120-42.utilitytelephone.net
206.128.120.49	A+PTR	206-128-120-49.utilitytelephone.net
206.128.120.50	A+PTR	206-128-120-50.utilitytelephone.net
206.128.120.52	A+PTR	206-128-120-52.utilitytelephone.net
206.128.120.54	A+PTR	206-128-120-54.utilitytelephone.net
206.128.120.59	A+PTR	206-128-120-59.utilitytelephone.net
206.128.120.62	A+PTR	vlan12.core1.lsan.utilitytelephone.net
206.128.120.63	A+PTR	206-128-120-63.utilitytelephone.net
206.128.120.66	PTR	okld-7609s-1.utilitytelephone.net
206.128.120.67	PTR	la01-7206-1.utilitytelephone.net
206.128.120.69	PTR	sktn-7206-2.utilitytelephone.net
206.128.120.71	PTR	snlo-7206-2.utilitytelephone.net
206.128.120.84	A+PTR	206-128-120-84.utilitytelephone.net
206.128.120.85	PTR	vpn2.corp.utilitytelephone.com
206.128.120.87	A+PTR	206-128-120-87.utilitytelephone.net
206.128.120.91	PTR	telcox.net
206.128.120.92	A+PTR	sip.telcox.net
206.128.120.94	A+PTR	206-128-120-94.utilitytelephone.net
206.128.120.102	A+PTR	206-128-120-102.utilitytelephone.net
206.128.120.112	A+PTR	206-128-120-112.utilitytelephone.net
206.128.120.115	A+PTR	206-128-120-115.utilitytelephone.net
206.128.120.116	A+PTR	206-128-120-116.utilitytelephone.net
206.128.120.123	A+PTR	206-128-120-123.utilitytelephone.net
206.128.120.124	A+PTR	206-128-120-124.utilitytelephone.net
206.128.120.128	A+PTR	206-128-120-128.utilitytelephone.net
206.128.120.132	A+PTR	206-128-120-132.utilitytelephone.net
206.128.120.134	A+PTR	206-128-120-134.utilitytelephone.net
206.128.120.135	A+PTR	206-128-120-135.utilitytelephone.net
206.128.120.144	A+PTR	206-128-120-144.utilitytelephone.net
206.128.120.146	PTR	v11.edge2.reno.utilitytelephone.net
206.128.120.147	A+PTR	206-128-120-147.utilitytelephone.net
206.128.120.152	A+PTR	206-128-120-152.utilitytelephone.net
206.128.120.161	A+PTR	206-128-120-161.utilitytelephone.net
206.128.120.172	A+PTR	206-128-120-172.utilitytelephone.net
206.128.120.174	A+PTR	206-128-120-174.utilitytelephone.net
206.128.120.180	A+PTR	206-128-120-180.utilitytelephone.net
206.128.120.181	A+PTR	206-128-120-181.utilitytelephone.net
206.128.120.185	A+PTR	206-128-120-185.utilitytelephone.net
206.128.120.196	A+PTR	206-128-120-196.utilitytelephone.net
206.128.120.201	A+PTR	206-128-120-201.utilitytelephone.net
206.128.120.202	A+PTR	206-128-120-202.utilitytelephone.net
206.128.120.204	A+PTR	206-128-120-204.utilitytelephone.net
206.128.120.211	A+PTR	206-128-120-211.utilitytelephone.net
206.128.120.215	A+PTR	206-128-120-215.utilitytelephone.net
206.128.120.219	A+PTR	206-128-120-219.utilitytelephone.net
206.128.120.220	A+PTR	206-128-120-220.utilitytelephone.net
206.128.120.224	A+PTR	206-128-120-224.utilitytelephone.net
206.128.120.236	A+PTR	206-128-120-236.utilitytelephone.net
206.128.120.237	PTR	v212.core.okld.utilitytelephone.net
206.128.120.238	PTR	v212.edge.okld.utilitytelephone.net
206.128.120.241	PTR	v202.edge.lsan.utilitytelephone.net
206.128.120.243	A+PTR	206-128-120-243.utilitytelephone.net
206.128.120.245	PTR	v208.edge1.reno.utilitytelephone.net
206.128.120.250	A+PTR	fe0-0-201.core1.snfc.utilitytelephone.net
206.128.120.254	PTR	v200.core.okld.utilitytelephone.net
206.128.121.58	A+PTR	206-128-121-58.utilitytelephone.net
206.128.121.66	A	206-128-121-66.utilitytelephone.net
206.128.121.130	A+PTR	206-128-121-130.utilitytelephone.net
206.128.121.164	A+PTR	206-128-121-164.utilitytelephone.net
206.128.121.164	A	mail.kineticauto.com
206.128.121.164	A	mail.pentridgecove.com
206.128.121.175	A+PTR	206-128-121-175.utilitytelephone.net
206.128.121.175	A	pentridgecove.com
206.128.121.175	A	kineticsautomotive.com
206.128.121.227	A	poolish.com
206.128.121.243	A	icsgwdr.com
206.128.121.246	A+PTR	206-128-121-246.utilitytelephone.net
206.128.121.246	A	icsgwcorp.com