192.23.0.0/16

ip:	192.23.0.0 host.slb.com
loc:	United States, Houston (Texas)  
isp:	AS72 Schlumberger Limited » Schlumberger Limited » Schlumberger Limited 382.493 ms
route:	192.23.0.0/16, SCHLU-3 - Schlumberger Limited, US (Houston (Westside)) ... 
reg:	192.23.0.0/16, US, ARIN, 1986-04-15
asn:	AS72 - SCHLUMBERGER-AS Schlumberger Limited, US
	  AS6939  - HURRICANE Hurricane Electric LLC, US
	  AS174   - COGENT-174 Cogent Communications, US
addr:	  5599 San Felipe Suite 1700 Houston TX 77056 US
online:	  279 » latency: 131 ms (173ms) 

see also:
   192.23.7.0/24    AS2567   SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.8.0/24    AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, KZ
   192.23.10.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, NL
   192.23.11.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.12.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.13.0/24   AS2567   SLB-INFRASTRUCTURE-SERVICES-NET Route Object for Schlumberger, AE
   192.23.14.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.18.0/24   AS7468   SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.19.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Route Object for Schlumberger, PK
   192.23.20.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Route Object for Schlumberger, TH
   192.23.21.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Route Object for Schlumberger, SA
   192.23.22.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.25.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Route Object for Schlumberger, US
   192.23.26.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.27.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.31.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.32.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.37.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.42.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US
   192.23.44.0/24   AS72     SLB-INFRASTRUCTURE-SERVICES-NET Schlumberger Limited, US