216.100.136.0/22

ip:	216.100.136.0 
loc:	United States, New York (New York)  
isp:	AS7018 AT&T Enterprises, LLC » AT&T Enterprises, LLC » AT&T Enterprises, LLC 671.516 ms
route:	216.100.136.0/22, SBCIS-SIS80 - AT&T Corp., US (Ashburn) ... 
reg:	216.100.0.0/14, US, ARIN, 1998-10-02
asn:	AS7287 - PBI-NET-BLK2 AT&T Corp., US
	  AS7018  - ATT-INTERNET4 AT&T Services, Inc., US
addr:	  7277 164th Ave NE Attn: IP Management Redmond WA 98052 US
online:	  3 » latency: 229 ms (229ms) 

see also:
   216.100.0.0/14   AS7018   SBCIS-SIS80 AT&T Enterprises, LLC, US