200.50.0.0/19

ip:	200.50.0.0 
loc:	Puerto Rico, San Juan (San Juan)  
isp:	AS11992 Liberty Mobile Puerto Rico Inc. » Liberty Mobile Puerto Rico Inc. » AT&T Mobility Puerto Rico 598.217 ms
route:	200.50.0.0/19, LMPR - Liberty Mobile Puerto Rico Inc., PR (San Juan) ... 
reg:	200.50.0.0/19, PR, ARIN, 1999-04-07
asn:	AS11992 - LIBERTY-MOB-PR Liberty Mobile Puerto Rico Inc., PR
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
addr:	  279 Ponce de Leon Ave. San Juan PR 918
online:	  287 » latency: 135 ms (136ms) 

see also:
   200.50.22.0/24   AS14974  IS-ELDIA EL DIA INC, PR