AS72 is the autonomous system of Schlumberger Limited. It holds 1,151,744 IPv4 addresses in 83 prefixes, mainly in 
Netherlands.
By IPv4 addresses the network ranks #312 worldwide and #84 of 18,202 networks in Netherlands. That is 2.0% of the country’s IPv4 space.
The network spreads across six or more countries: United States 48%, Netherlands 46%, Singapore 5.8%.
The largest block is 136.249.0.0 to 136.254.255.255 with 393,216 addresses, geolocated to Amsterdam (Amsterdam-Oost).
- IPv4 addresses
- 1,151,744
- IPv4 prefixes
- 83
- World rank
- #312
- Country share
- 2.0%
Addresses by country
United States 48%- Netherlands 46%
Singapore 5.8%
United Kingdom 0.18%
Russia 0.11%
Sweden 0.09%
Largest blocks
- 136.249.0.0 Amsterdam (Amsterdam-Oost)393,216
- 163.185.250.0 Houston (Westside)198,144
- 163.183.0.0 Amsterdam (Amsterdam-Oost)194,816
- 137.144.0.0 Houston (Westside)65,536
- 134.32.0.0 Amsterdam (Amsterdam-Zuidoost)65,536
- 129.87.0.0 Amsterdam (Amsterdam-Zuidoost)65,536
- 128.58.0.0 Houston65,536
- 199.6.128.0 Dallas (Victory Park)32,768
Networks of similar size
- AS9617 JCOM Co., Ltd.
1,163,264 - AS3371 Verizon Business1,154,560
- AS15802 Emirates Integrated Telecommunications Company PJSC
1,153,792 - AS23969 TOT Public Company Limited
1,152,000 - AS12714 PJSC MegaFon1,149,184
- AS2018 TENET (The UNINET Project)
1,148,160 - AS7155 ViaSat,Inc.1,145,600
- AS136907 HUAWEI INTERNATIONAL PTE. LTD.
1,144,576
IPv4 prefixes
- 128.58.0.0/16
- 129.87.0.0/16
- 134.32.0.0/16
- 136.249.0.0/16
- 136.250.0.0/15
- 136.252.0.0/15
- 136.254.0.0/16
- 137.144.0.0/16
- 163.183.0.0/16
- 163.184.0.0/16
- 163.185.0.0/17
- 163.185.128.0/18
- 163.185.192.0/19
- 163.185.224.0/20
- 163.185.240.0/21
- 163.185.248.0/24
- 163.185.250.0/23
- 163.185.252.0/22
- 163.186.0.0/15
- 163.188.0.0/16
- 192.12.34.0/23
- 192.12.40.0/24
- 192.12.43.0/24
- 192.23.0.0/22
- 192.23.4.0/23
- 192.23.6.0/24
- 192.23.8.0/22
- 192.23.12.0/24
- 192.23.14.0/23
- 192.23.16.0/23
- 192.23.19.0/24
- 192.23.20.0/22
- 192.23.24.0/21
- 192.23.32.0/20
- 192.23.48.0/21
- 192.23.56.0/22
- 192.23.60.0/23
- 192.23.63.0/24
- 192.23.65.0/24
- 192.23.66.0/23
- 192.23.68.0/23
- 192.23.71.0/24
- 192.23.72.0/21
- 192.23.80.0/20
- 192.23.96.0/20
- 192.23.112.0/21
- 192.23.120.0/22
- 192.23.127.0/24
- 192.23.128.0/20
- 192.23.144.0/23
- 192.23.147.0/24
- 192.23.148.0/22
- 192.23.152.0/22
- 192.23.156.0/24
- 192.23.158.0/23
- 192.23.160.0/22
- 192.23.164.0/24
- 192.23.166.0/23
- 192.23.168.0/21
- 192.23.176.0/21
- 192.23.184.0/24
- 192.23.186.0/24
- 192.23.188.0/22
- 192.23.192.0/18
- 192.31.32.0/24
- 192.31.36.0/24
- 192.58.37.0/24
- 192.58.38.0/23
- 195.19.192.0/24
- 198.136.232.0/24
- 198.160.175.0/24
- 198.160.176.0/24
- 198.176.175.0/24
- 199.6.128.0/17
- 199.168.0.0/21
- 199.168.8.0/23
- 204.17.157.0/24
- 204.17.158.0/23
- 204.17.160.0/23
- 204.17.162.0/24
- 204.126.126.0/23
- 212.192.205.0/24
- 212.193.96.0/24
Questions and answers
Who owns AS72?
Autonomous system AS72 is operated by Schlumberger Limited.
How many IP addresses does AS72 have?
The network holds 1,151,744 IPv4 addresses in 83 prefixes.
Which country is AS72 in?
The main country is Netherlands, with addresses in 5 more countries.
How big is AS72?
By IPv4 addresses it ranks #312 worldwide.
What is the largest address block of AS72?
136.249.0.0 to 136.254.255.255, 393,216 addresses.