AS72 — SCHLUMBERGER-AS - Schlumberger Limited

AS72 announces 77 IPv4 prefixes covering 1,152,512 addresses and 0 IPv6 prefixes.

About this network

A corporate network registered to Schlumberger (SCHLUMBERGER-AS), the oilfield services company now branded SLB.

What it's used for

• Global corporate and technical networking for the company's operations.

Notable

• An enterprise network, not a commercial ISP or host. The low AS number reflects an allocation from the internet's earliest years.

Interesting

• The AS holds a very large block of IPv4 addresses, a legacy of early, generous allocations to large corporations.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced 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
• 192.23.32.0/19
• 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
• 192.23.144.0/21
• 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
• 192.23.184.0/23
• 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

Upstream networks

• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS1273 IDDQD-AS
• AS3300 British Telecommunications Limited
• AS5400 British Telecommunications Limited
• AS6660 Vodafone Enterprise Equipment Limited
• AS8359 MTS PJSC
• AS35104 QMOBILE JSC
• AS24785 Broadband Hosting B.V.
• AS3216 PJSC "Vimpelcom"
• AS151506 PT Widjaja Piranti Teknologi
• AS9930 TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia
• AS15802 Emirates Integrated Telecommunications Company PJSC
• AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
• AS18101 Reliance Communications Ltd.DAKC MUMBAI
• AS8452 IDDQD-AS
• AS196925 Azertelecom LLC
• AS55410 Vodafone Idea Ltd
• AS29695 Lyse Tele AS
• AS135523 Multinet Broadband
• AS25019 Saudi Telecom Company JSC
• AS3356 Level 3 Parent, LLC
• AS16735 ALGAR TELECOM S/A
• AS9931 National Telecom Public Company Limited
• AS20562 Broadband Hosting B.V.

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS1273 IDDQD-AS
• AS3300 British Telecommunications Limited
• AS5400 British Telecommunications Limited
• AS6660 Vodafone Enterprise Equipment Limited
• AS8359 MTS PJSC
• AS35104 QMOBILE JSC
• AS24785 Broadband Hosting B.V.
• AS3216 PJSC "Vimpelcom"
• AS151506 PT Widjaja Piranti Teknologi
• AS9930 TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia
• AS15802 Emirates Integrated Telecommunications Company PJSC
• AS18101 Reliance Communications Ltd.DAKC MUMBAI
• AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
• AS196925 Azertelecom LLC
• AS8452 IDDQD-AS
• AS55410 Vodafone Idea Ltd
• AS29695 Lyse Tele AS
• AS135523 Multinet Broadband
• AS25019 Saudi Telecom Company JSC
• AS3356 Level 3 Parent, LLC
• AS16735 ALGAR TELECOM S/A
• AS9931 National Telecom Public Company Limited
• AS20562 Broadband Hosting B.V.

Routing security

• RPKI: 3 valid, 0 invalid and 137 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 65% of announcements registered; 207 route objects.
• Listed in as-sets: AS-132876, AS-4761, AS-63529-AS-IMPORT-AS6939, AS-ATT2688-REG, AS-AZRT-AZ, AS-BT-NL, AS-BT-US, AS-BTGB-CUST, AS-C1, AS-COMSTAR, AS-CTBC-CUSTOMERS116, AS-CTBC-TOOLS-9, AS-CWASIA, AS-CWCCUSTOMERS, AS-CWCTRANSIT, AS-CWCUSTEU, AS-DATABANK, AS-EITC-DU, AS-EMIX, AS-GNT-CUSTOMERS, AS-HGC-INTL, AS-HKTCUSTOMER, AS-HURRICANE, AS-IFB:AS-ALL, AS-IGNEMEA.

Internet exchanges

• Neutral Internet Exchange — Amsterdam, Netherlands
• MegaPort IX Singapore — Singapore, Singapore