199.19.136.0/21

ip:	199.19.136.0 
loc:	United States, New York (New York)  
isp:	AS10717 Scholastic Inc. » Scholastic Inc. » Scholastic Inc 439.109 ms
route:	199.19.136.0/21, SCHOLA-2 - Scholastic Inc., US (St Louis (Downtown)) ... 
reg:	199.19.136.0/21, US, ARIN, 2010-07-23
addr:	  555 Broadway New York NY 10012 US
online:	  26 » latency: 129 ms (130ms) 

see also:
   199.19.136.0/24  AS10717  SCHOLASTIC Scholastic Inc., US
   199.19.137.0/24  AS10717  SCHOLASTIC Scholastic Inc., US
   199.19.138.0/23  AS10717  SCHOLASTIC Scholastic Inc., US
   199.19.140.0/24  AS14199  SCHOLASTIC Scholastic Inc., US
   199.19.142.0/24  AS10717  SCHOLASTIC Scholastic Inc., US
   199.19.143.0/24  AS10717  SCHOLASTIC Scholastic Inc., US