216.52.48.0/21

ip:	216.52.48.0 
loc:	United States, Boston (Massachusetts)  
isp:	AS14742 Unitas Global » Unitas Global »  0.593 ms
route:	216.52.48.0/21, UG-210 - Unitas Global, US (Boston) ... 
reg:	216.52.48.0/21, US, ARIN, 1998-08-24
asn:	AS14742 - INTERNAP-BLOCK-4 Unitas Global, US
	  AS1299  - TWELVE99 Arelion, f/k/a Telia Carrier, SE
	  AS1828  - UNITAS Unitas Global, US
addr:	  910 W Van Buren Suite 610 Chicago IL 60607 US
online:	  287 » latency: 111 ms (113ms) 

see also:
   216.52.50.0/24   AS14742  INAP-BSN-GAMECOLONY-47397 Gamecolony.com Inc., US
   216.52.55.0/24   AS11855  INAP-BSN-NOTEWORTHY-47797 Noteworthy Medical Systems, Inc., US