66.28.0.0/16

ip:	66.28.0.0 
loc:	United States, Cleveland (Ohio)  
isp:	AS174 Cogent Communications, LLC » Cogent Communications » Cogent Communications 157.39 ms
route:	66.28.0.0/16, COGENT-NB-0000 - Cogent Communications, LLC, US (Jackson) ... 
reg:	66.28.0.0/16, US, ARIN, 2000-10-12
asn:	AS174 - COGENT Cogent/PSI, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
	  AS2914  - NTT-DATA-2914 NTT America, Inc., US
	  AS1299  - TWELVE99 Arelion, f/k/a Telia Carrier, SE
	  AS6830  - LibertyGlobal Liberty Global (formerly UPC Broadband Holding, aka AORTA), NL
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
	  AS2497  - IIJ Internet Initiative Japan Inc., JP
	  AS3257  - GTT-BACKBONE GTT, US
addr:	  2450 N Street NW Washington DC 20037 US
online:	  909 » latency: 128 ms (117ms) 

see also:
   66.28.50.0/24    AS174    NET4-421C320018 THE BILTMORE HOTEL, US
   66.28.99.0/24    AS174    NET4-421C630018 ADDISON DESIGN COMPANY, US
   66.28.165.0/24   AS25678  COGENT-NB-0000 Cogent Communications, LLC, US
   66.28.182.0/24   AS30666  COGENT-NB-0000 Cogent Communications, US
   66.28.184.0/23   AS26819  COGENT-NB-0000 Cogent Communications, US