75.128.0.0/12

ip:	75.128.0.0 syn-075-128-000-000.res.spectrum.com
loc:	United States, Redding (California)  
isp:	AS20115 Charter Communications LLC » Charter Communications » Spectrum 146.416 ms
route:	75.128.0.0/12, CC04 - Charter Communications LLC, US (San Luis Obispo) ... 
reg:	75.128.0.0/12, US, ARIN, 2006-07-17
addr:	  6175 S. Willow Dr Greenwood Village CO 80111 US
online:	  356.969 » latency: 138 ms (218ms) 

see also:
   75.128.0.0/19    AS20115  SNL-CA-75-128-0 Charter Communications LLC, US
   75.128.32.0/19   AS20115  MNT-CA-75-128-32 Charter Communications LLC, US
   75.128.64.0/20   AS20115  DRD-MO-75-128-64 Charter Communications LLC, US
   75.128.70.0/23   AS20115  DRD-MO-75-128-64 Charter Communications LLC, US
   75.128.72.0/21   AS20115  DRD-MO-75-128-64 Charter Communications LLC, US
   75.128.78.0/23   AS20115  DRD-MO-75-128-64 Charter Communications LLC, US
   75.128.80.0/20   AS20115  BYC-MI-75-128-80 Charter Communications LLC, US
   75.128.96.0/20   AS20115  ALL-MI-75-128-96 Charter Communications LLC, US
   75.128.112.0/20  AS20115  ALL-MI-75-128-112 Charter Communications LLC, US
   75.128.128.0/20  AS20115  BYC-MI-75-128-128 Charter Communications LLC, US
   75.128.144.0/20  AS20115  BYC-MI-75-128-144 Charter Communications LLC, US
   75.128.160.0/21  AS20115  STL-MO-75-128-160 Charter Communications LLC, US
   75.128.168.0/24  AS20115  YMC-75-128-168-32 YMCA, US
   75.128.169.0/24  AS20115  CODE-75-128-169-0 CODE 3, US
   75.128.170.0/24  AS20115  RCKC-75-128-170-32 Rock Community Fire Protection, US
   75.128.172.0/23  AS20115  STL-MO-75-128-160 Charter Communications LLC, US
   75.128.174.0/23  AS20115  HLTN-75-128-174-64 Hilton St. Louis Frontenac, US
   75.128.176.0/20  AS20115  RCH-MN-75-128-176 Charter Communications LLC, US
   75.128.192.0/20  AS20115  FND-WI-75-128-192 Charter Communications LLC, US