72.1.128.0/18

ip:	72.1.128.0 dsl001-128-000.dfw1.dsl.speakeasy.net
loc:	United States, Cheyenne (Wyoming)  
isp:	AS6079 RCN » RCN » GTT Americas, LLC 163.931 ms
route:	72.1.128.0/18, GAL-104 - GTT Americas, LLC, US (Ashburn) ... 
reg:	72.1.128.0/18, US, ARIN, 2004-09-09
addr:	  4201 Wilson Blvd -Suite 504 Arlington VA 22203 US
online:	  1.880 » latency: 140 ms (157ms) 

see also:
   72.1.128.0/19    AS6079   MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.160.0/20    AS53958  MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.176.0/22    AS20115  MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.180.0/23    AS20115  MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.182.0/23    AS20115  MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.184.0/24    AS274035  MEGAPATH-BLK-62 RODRITEL, DO
   72.1.185.0/24    AS274035  MEGAPATH-BLK-62 RODRITEL, DO
   72.1.186.0/24    AS274035  MEGAPATH-BLK-62 RODRITEL, DO
   72.1.187.0/24    AS274035  MEGAPATH-BLK-62 RODRITEL, DO
   72.1.188.0/23    AS64200  MEGAPATH-BLK-62 GTT Americas, LLC, US
   72.1.190.0/23    AS6079   MEGAPATH-BLK-62 GTT Americas, LLC, US