Robtex

Up: 76.73.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 76.73.196.0/23
Down right: 76.73.198.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
76.73.196.37	PTR	dynamic-76-73-196-37.knology.net
76.73.196.37	A	serenity.myds.me
76.73.196.112	PTR	dynamic-76-73-196-112.knology.net
76.73.197.35	PTR	dynamic-76-73-197-35.knology.net
76.73.199.1	PTR	static-76-73-199-1.knology.net
76.73.199.6	A	carrolling.com
76.73.199.10	PTR	static-76-73-199-10.knology.net
76.73.199.11	PTR	static-76-73-199-11.knology.net
76.73.199.13	PTR	static-76-73-199-13.knology.net
76.73.199.14	A+PTR	mail.oneda.com
76.73.199.18	PTR	static-76-73-199-18.knology.net
76.73.199.19	PTR	static-76-73-199-19.knology.net
76.73.199.23	PTR	static-76-73-199-23.knology.net
76.73.199.26	A+PTR	cbr1.cboronline.com
76.73.199.26	A	mail.cboronline.com
76.73.199.31	PTR	static-76-73-199-31.knology.net
76.73.199.33	PTR	static-76-73-199-33.knology.net
76.73.199.37	PTR	static-76-73-199-37.knology.net
76.73.199.40	PTR	static-76-73-199-40.knology.net
76.73.199.42	PTR	static-76-73-199-42.knology.net
76.73.199.48	PTR	static-76-73-199-48.knology.net
76.73.199.51	PTR	static-76-73-199-51.knology.net
76.73.199.52	PTR	static-76-73-199-52.knology.net
76.73.199.54	A+PTR	mail.espheadstart.org
76.73.199.54	A	mail.espcaa.org
76.73.199.56	PTR	static-76-73-199-56.knology.net
76.73.199.58	PTR	static-76-73-199-58.knology.net
76.73.199.64	PTR	static-76-73-199-64.knology.net
76.73.199.66	PTR	static-76-73-199-66.knology.net
76.73.199.67	PTR	static-76-73-199-67.knology.net
76.73.199.69	PTR	static-76-73-199-69.knology.net
76.73.199.70	PTR	static-76-73-199-70.knology.net
76.73.199.74	PTR	static-76-73-199-74.knology.net
76.73.199.76	PTR	static-76-73-199-76.knology.net
76.73.199.77	PTR	static-76-73-199-77.knology.net
76.73.199.79	PTR	static-76-73-199-79.knology.net
76.73.199.81	PTR	static-76-73-199-81.knology.net
76.73.199.86	PTR	static-76-73-199-86.knology.net
76.73.199.90	PTR	static-76-73-199-90.knology.net
76.73.199.92	PTR	static-76-73-199-92.knology.net
76.73.199.98	PTR	static-76-73-199-98.knology.net
76.73.199.102	PTR	static-76-73-199-102.knology.net
76.73.199.103	PTR	static-76-73-199-103.knology.net
76.73.199.106	A	mail.psstf.com
76.73.199.106	A	mail.columbusgalaw.com
76.73.199.106	A	psstf.com
76.73.199.109	PTR	static-76-73-199-109.knology.net
76.73.199.110	PTR	static-76-73-199-110.knology.net
76.73.199.111	PTR	static-76-73-199-111.knology.net
76.73.199.114	PTR	static-76-73-199-114.knology.net
76.73.199.117	PTR	static-76-73-199-117.knology.net
76.73.199.118	PTR	static-76-73-199-118.knology.net
76.73.199.119	PTR	static-76-73-199-119.knology.net
76.73.199.126	PTR	static-76-73-199-126.knology.net
76.73.199.126	A	mail.columbuspaincenter.com
76.73.199.128	PTR	static-76-73-199-128.knology.net
76.73.199.129	PTR	static-76-73-199-129.knology.net
76.73.199.132	PTR	static-76-73-199-132.knology.net
76.73.199.133	PTR	static-76-73-199-133.knology.net
76.73.199.135	PTR	static-76-73-199-135.knology.net
76.73.199.141	PTR	static-76-73-199-141.knology.net
76.73.199.150	PTR	static-76-73-199-150.knology.net
76.73.199.151	PTR	static-76-73-199-151.knology.net
76.73.199.158	A	mail.auburneye.com
76.73.199.158	A	mail.visionaryeyeal.com
76.73.199.158	A	mail.northcolumbuseye.com
76.73.199.159	PTR	static-76-73-199-159.knology.net
76.73.199.161	PTR	static-76-73-199-161.knology.net
76.73.199.164	PTR	static-76-73-199-164.knology.net
76.73.199.166	PTR	static-76-73-199-166.knology.net
76.73.199.167	PTR	static-76-73-199-167.knology.net
76.73.199.171	A+PTR	mail.bbbeverage.com
76.73.199.179	PTR	static-76-73-199-179.knology.net
76.73.199.189	PTR	static-76-73-199-189.knology.net
76.73.199.197	PTR	static-76-73-199-197.knology.net
76.73.199.201	PTR	zmail2.comm-fused.com
76.73.199.204	PTR	static-76-73-199-204.knology.net
76.73.199.208	PTR	static-76-73-199-208.knology.net
76.73.199.209	PTR	static-76-73-199-209.knology.net
76.73.199.217	PTR	static-76-73-199-217.knology.net
76.73.199.219	PTR	static-76-73-199-219.knology.net
76.73.199.220	PTR	static-76-73-199-220.knology.net
76.73.199.235	PTR	static-76-73-199-235.knology.net
76.73.199.241	PTR	static-76-73-199-241.knology.net
76.73.199.242	PTR	static-76-73-199-242.knology.net
76.73.199.243	PTR	static-76-73-199-243.knology.net
76.73.199.244	PTR	static-76-73-199-244.knology.net
76.73.199.245	PTR	static-76-73-199-245.knology.net
76.73.199.246	PTR	static-76-73-199-246.knology.net
76.73.199.251	PTR	static-76-73-199-251.knology.net