AS72 Schlumberger Limited
A network in United States. Here are the size of its IP ranges and the data used for visitor checks.
Visitor check data
- Network type
- Regular network
- Known VPN servers
- None
- Tor exit nodes
- None
This network mainly serves home, office and mobile lines. VPN servers are counted only when they are on the public list. How checks work
Addresses by country
United States552,192 addresses
Netherlands525,568 addresses
Singapore66,816 addresses
United Kingdom2,048 addresses
Russia1,280 addressesLargest IPv4 ranges
Up to 20, largest first (36 in total).
136.249.0.0 ~ 136.254.255.255
163.185.250.0 ~ 163.188.255.255
163.183.0.0 ~ 163.185.248.255
128.58.0.0/16
129.87.0.0/16
134.32.0.0/16
137.144.0.0/16
199.6.128.0/17
192.23.188.0 ~ 192.23.255.255
192.23.71.0 ~ 192.23.123.255
192.23.19.0 ~ 192.23.61.255
192.23.127.0 ~ 192.23.145.255
192.23.166.0 ~ 192.23.184.255
192.23.147.0 ~ 192.23.156.255
199.168.0.0 ~ 199.168.9.255
192.23.0.0 ~ 192.23.6.255
192.23.158.0 ~ 192.23.164.255
204.17.157.0 ~ 204.17.162.255
192.23.8.0 ~ 192.23.12.255
192.23.65.0 ~ 192.23.69.255
Data: DB-IP (CC BY 4.0), public VPN server list, Tor Project exit list · as of 2026-10-12