71.64.64.0/18

ip:	71.64.64.0 syn-071-064-064-000.res.spectrum.com
loc:	United States, Akron (Ohio)  
isp:	AS10796 Charter Communications Inc » Road Runner » VoIP Residential 152.974 ms
route:	71.64.64.0/18, RRMA - Charter Communications Inc, US (Lexington-Fayette) ... 
reg:	71.64.0.0/12, US, ARIN, 2005-05-16
asn:	AS10796 - TWC-10796-MIDWEST Charter Communications Inc, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
	  AS7843  - TWC-7843-BB Charter Communications Inc, US
addr:	  6175 S. Willow Dr Greenwood Village CO 80111 US
online:	  4.590 » latency: 138 ms (150ms) 

see also:
   71.64.0.0/12     AS7843   RRMA Charter Communications Inc, US
   71.64.0.0/16     AS10796  RRMA Charter Communications Inc, US