156.72.0.0/16

ip:	156.72.0.0 
loc:	United States, Irvine (California)  
isp:	 » St. Joseph Health System » St. Joseph Health System 2279.967 ms
route:	156.72.0.0/16, STJOS-7 - St. Joseph Health System, US (Irvine (Irvine Business Complex)) ... 
reg:	156.72.0.0/16, US, ARIN, 1991-12-19
addr:	  3345 Michelson Dr #100 Irvine CA 92612 US
online:	  61 » latency: 175 ms (193ms) 

see also:
   156.72.6.0/24    AS12122  SJHS Various Registries (Maintained by ARIN), US
   156.72.7.0/24    AS12122  SJHS St. Joseph Health System, US
   156.72.30.0/23   AS12122  SJHS St. Joseph Health System, US
   156.72.60.0/24   AS12122  SJHS St. Joseph Health System, US
   156.72.61.0/24   AS12122  SJHS St. Joseph Health System, US
   156.72.150.0/24  AS12122  SJHS St. Joseph Health System, US
   156.72.153.0/24  AS12122  SJHS St. Joseph Health System, US
   156.72.155.0/24  AS12122  SJHS St. Joseph Health System, US
   156.72.160.0/23  AS12122  SJHS St. Joseph Health System, US