72 SCHLUMBERGER-AS - Schlumberger Limited, US
Adjacency: 25 Upstream: 25 Downstream: 0
Upstream Adjacent AS list
AS25019 SAUDINETSTC-AS, SA
AS16735 ALGAR TELECOM SA, BR
AS15802 DU-AS1, AE
AS3216 SOVAM-AS, RU
AS3300 BT, GB
AS8452 TE-AS TE-AS, EG
AS9931 NTPCL-AS-AP National Telecom Public Company Limited, TH
AS5400 BT, GB
AS8359 MTS, RU
AS9930 TTNET-MY TIME dotCom Berhad No. 14, Jalan Majistret U126 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia, MY
AS55410 VIL-AS-AP Vodafone Idea Ltd, IN
AS1273 CW Vodafone Group PLC, EU
AS196925 AZRT-AS, AZ
AS8896 XFIBER-AS, NO
AS18101 RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS6660 CWASIA, GB
AS2856 BT-UK-AS BTnet UK Regional network, GB
AS35753 ITC ITC AS number, SA
AS135523 MULTINET-IE-AS-AP Multinet Broadband, PK
AS35104 KTC-AS, KZ
AS151506 IDNIC-WPTECH-AS-ID PT Widjaja Piranti Teknologi, ID
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO
AS6939 HURRICANE - Hurricane Electric LLC, US
AS8902 IFB CCS Connectivity Limited, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 378 AS72 ORIGIN Originate: 1265408 /11.73 Transit: 0 /0.00 SCHLUMBERGER-AS - Schlumberger Limited, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 893 AS72 SCHLUMBERGER-AS - Schlumberger Limited, US 141 75 5 71 70 49.65% Prefix AS Path Aggregation Suggestion 128.58.0.0/16 4777 6939 72 129.87.0.0/16 4777 6939 72 134.32.0.0/16 4777 6939 72 136.249.0.0/16 4777 6939 72 136.249.32.0/19 4777 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 4777 6939 72 136.249.64.0/18 4777 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 4777 6939 72 136.250.0.0/15 4777 6939 72 + Announce - aggregate of 136.250.0.0/16 (4777 6939 72) and 136.251.0.0/16 (4777 6939 72) 136.250.0.0/16 4777 6939 72 - Withdrawn - aggregated with 136.251.0.0/16 (4777 6939 72) 136.251.0.0/16 4777 6939 72 - Withdrawn - aggregated with 136.250.0.0/16 (4777 6939 72) 136.252.0.0/15 4777 6939 72 + Announce - aggregate of 136.252.0.0/16 (4777 6939 72) and 136.253.0.0/16 (4777 6939 72) 136.252.0.0/16 4777 6939 72 - Withdrawn - aggregated with 136.253.0.0/16 (4777 6939 72) 136.252.128.0/17 4777 6939 72 - Withdrawn - matching aggregate 136.252.0.0/16 4777 6939 72 136.252.251.0/24 4777 2497 5400 72 72 72 136.252.252.0/23 4777 2497 5400 72 72 72 + Announce - aggregate of 136.252.252.0/24 (4777 2497 5400 72 72 72) and 136.252.253.0/24 (4777 2497 5400 72 72 72) 136.252.252.0/24 4777 2497 5400 72 72 72 - Withdrawn - aggregated with 136.252.253.0/24 (4777 2497 5400 72 72 72) 136.252.253.0/24 4777 2497 5400 72 72 72 - Withdrawn - aggregated with 136.252.252.0/24 (4777 2497 5400 72 72 72) 136.252.254.0/24 4777 2497 5400 72 72 72 136.253.0.0/16 4777 6939 72 - Withdrawn - aggregated with 136.252.0.0/16 (4777 6939 72) 136.253.192.0/18 4777 6939 72 - Withdrawn - matching aggregate 136.253.0.0/16 4777 6939 72 136.254.0.0/16 4777 6939 72 137.144.0.0/16 4777 6939 72 163.183.0.0/16 4777 6939 72 163.184.0.0/16 4608 24115 6660 72 163.185.0.0/16 4777 6939 72 163.186.0.0/15 4777 6939 72 + Announce - aggregate of 163.186.0.0/16 (4777 6939 72) and 163.187.0.0/16 (4777 6939 72) 163.186.0.0/16 4777 6939 72 - Withdrawn - aggregated with 163.187.0.0/16 (4777 6939 72) 163.187.0.0/16 4777 6939 72 - Withdrawn - aggregated with 163.186.0.0/16 (4777 6939 72) 163.188.0.0/16 4777 6939 72 192.12.34.0/23 4777 6939 72 192.12.40.0/24 4777 6939 72 192.12.43.0/24 4777 6939 72 192.23.0.0/16 4777 6939 72 192.23.8.0/24 4777 6939 12389 35104 72 192.23.9.0/24 4608 24115 6660 72 192.23.10.0/24 4777 2516 1273 72 192.23.11.0/24 4777 2497 1273 72 192.23.12.0/24 4777 2516 1273 72 192.23.14.0/24 4777 2497 1273 72 192.23.19.0/24 4608 24115 38193 9260 135523 72 192.23.20.0/24 4608 4651 9931 72 192.23.21.0/24 4777 2516 6762 35753 72 192.23.22.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.25.0/24 4777 2516 1273 55410 72 192.23.26.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.27.0/24 4777 2497 1273 72 192.23.31.0/24 4777 6939 8902 72 192.23.32.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.37.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.42.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.44.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.58.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.62.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.63.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.65.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.66.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.67.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.68.0/23 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.72.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.75.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.76.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.80.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.81.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.82.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.83.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.84.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.85.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.86.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.89.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.91.0/24 4777 6939 52320 72 192.23.92.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.93.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.94.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.100.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.103.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.104.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.105.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.108.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.109.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.110.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.119.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.127.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.130.0/24 4777 2497 8359 72 192.23.135.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.137.0/24 4777 2516 5400 2856 72 192.23.142.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.152.0/24 4777 2497 3356 8452 72 192.23.153.0/24 4777 6939 12389 35104 72 192.23.156.0/24 4777 2516 1299 196925 72 192.23.162.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.163.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.166.0/24 4608 9930 72 192.23.167.0/24 4777 2497 8359 72 192.23.169.0/24 4777 2497 1273 72 192.23.173.0/24 4777 2497 1273 72 192.23.175.0/24 4777 2497 16735 72 192.23.176.0/24 4777 2516 3356 72 192.23.177.0/24 4777 6939 38158 151506 72 192.23.182.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.185.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.186.0/24 4608 6939 38158 151506 72 72 72 72 72 72 72 72 72 72 192.23.189.0/24 4608 7575 15802 72 192.23.190.0/24 4608 7575 15412 18101 72 192.23.198.0/24 4777 2516 1299 8896 72 192.23.236.0/24 4777 2497 1273 72 192.23.238.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.23.248.0/24 4777 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4777 6939 72 192.31.32.0/24 4777 6939 72 192.31.36.0/24 4777 6939 72 192.58.37.0/24 4777 6939 72 192.58.38.0/23 4777 6939 72 195.19.192.0/24 4777 2497 8359 72 198.136.232.0/24 4777 6939 72 198.160.175.0/24 4777 6939 72 198.160.176.0/24 4777 6939 72 198.176.175.0/24 4777 6939 72 199.6.128.0/17 4777 6939 72 199.6.136.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.148.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.160.0/21 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.164.0/22 4777 2497 3300 72 + Announce - aggregate of 199.6.164.0/23 (4777 2497 3300 72) and 199.6.166.0/23 (4777 2497 3300 72) 199.6.164.0/24 4777 2497 3300 72 - Withdrawn - aggregated with 199.6.165.0/24 (4777 2497 3300 72) 199.6.165.0/24 4777 2497 3300 72 - Withdrawn - aggregated with 199.6.164.0/24 (4777 2497 3300 72) 199.6.166.0/24 4777 2497 3300 72 - Withdrawn - aggregated with 199.6.167.0/24 (4777 2497 3300 72) 199.6.167.0/24 4777 2497 3300 72 - Withdrawn - aggregated with 199.6.166.0/24 (4777 2497 3300 72) 199.6.168.0/21 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.168.0/24 4777 2497 3300 72 199.6.176.0/20 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.194.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.200.0/21 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.208.0/23 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.210.0/23 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.232.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.233.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.234.0/23 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.240.0/22 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.247.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.6.248.0/24 4777 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 4777 6939 72 199.168.0.0/21 4777 6939 72 199.168.8.0/23 4777 6939 72 204.17.157.0/24 4777 6939 72 204.17.158.0/23 4777 6939 72 204.17.160.0/23 4777 6939 72 204.17.162.0/24 4777 6939 72 204.126.126.0/23 4777 6939 72 212.192.205.0/24 4777 2497 3216 72 72 72 72 72 212.193.96.0/24 4777 2497 3216 72 72
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS72 114 More Specifics 141 Total Advertisements SCHLUMBERGER-AS - Schlumberger Limited, US
136.249.32.0/19 136.249.0.0/16
136.249.64.0/18 136.249.0.0/16
136.250.0.0/16 136.250.0.0/15
136.251.0.0/16 136.250.0.0/15
136.252.0.0/16 136.252.0.0/15
136.252.128.0/17 136.252.0.0/15
136.252.251.0/24 136.252.0.0/15
136.252.252.0/24 136.252.0.0/15
136.252.253.0/24 136.252.0.0/15
136.252.254.0/24 136.252.0.0/15
136.253.0.0/16 136.252.0.0/15
136.253.192.0/18 136.252.0.0/15
163.184.0.0/16 163.184.0.0/14
163.185.0.0/16 163.184.0.0/14
163.186.0.0/16 163.184.0.0/14
163.187.0.0/16 163.184.0.0/14
192.23.8.0/24 192.23.0.0/16
192.23.9.0/24 192.23.0.0/16
192.23.10.0/24 192.23.0.0/16
192.23.11.0/24 192.23.0.0/16
192.23.12.0/24 192.23.0.0/16
192.23.14.0/24 192.23.0.0/16
192.23.19.0/24 192.23.0.0/16
192.23.20.0/24 192.23.0.0/16
192.23.21.0/24 192.23.0.0/16
192.23.22.0/24 192.23.0.0/16
192.23.25.0/24 192.23.0.0/16
192.23.26.0/24 192.23.0.0/16
192.23.27.0/24 192.23.0.0/16
192.23.31.0/24 192.23.0.0/16
192.23.32.0/24 192.23.0.0/16
192.23.37.0/24 192.23.0.0/16
192.23.42.0/24 192.23.0.0/16
192.23.44.0/24 192.23.0.0/16
192.23.58.0/24 192.23.0.0/16
192.23.62.0/24 192.23.0.0/16
192.23.63.0/24 192.23.0.0/16
192.23.65.0/24 192.23.0.0/16
192.23.66.0/24 192.23.0.0/16
192.23.67.0/24 192.23.0.0/16
192.23.68.0/23 192.23.0.0/16
192.23.72.0/24 192.23.0.0/16
192.23.75.0/24 192.23.0.0/16
192.23.76.0/24 192.23.0.0/16
192.23.80.0/24 192.23.0.0/16
192.23.81.0/24 192.23.0.0/16
192.23.82.0/24 192.23.0.0/16
192.23.83.0/24 192.23.0.0/16
192.23.84.0/24 192.23.0.0/16
192.23.85.0/24 192.23.0.0/16
192.23.86.0/24 192.23.0.0/16
192.23.89.0/24 192.23.0.0/16
192.23.91.0/24 192.23.0.0/16
192.23.92.0/24 192.23.0.0/16
192.23.93.0/24 192.23.0.0/16
192.23.94.0/24 192.23.0.0/16
192.23.100.0/24 192.23.0.0/16
192.23.103.0/24 192.23.0.0/16
192.23.104.0/24 192.23.0.0/16
192.23.105.0/24 192.23.0.0/16
192.23.108.0/24 192.23.0.0/16
192.23.109.0/24 192.23.0.0/16
192.23.110.0/24 192.23.0.0/16
192.23.119.0/24 192.23.0.0/16
192.23.127.0/24 192.23.0.0/16
192.23.130.0/24 192.23.0.0/16
192.23.135.0/24 192.23.0.0/16
192.23.137.0/24 192.23.0.0/16
192.23.142.0/24 192.23.0.0/16
192.23.152.0/24 192.23.0.0/16
192.23.153.0/24 192.23.0.0/16
192.23.156.0/24 192.23.0.0/16
192.23.162.0/24 192.23.0.0/16
192.23.163.0/24 192.23.0.0/16
192.23.166.0/24 192.23.0.0/16
192.23.167.0/24 192.23.0.0/16
192.23.169.0/24 192.23.0.0/16
192.23.173.0/24 192.23.0.0/16
192.23.175.0/24 192.23.0.0/16
192.23.176.0/24 192.23.0.0/16
192.23.177.0/24 192.23.0.0/16
192.23.182.0/24 192.23.0.0/16
192.23.185.0/24 192.23.0.0/16
192.23.186.0/24 192.23.0.0/16
192.23.189.0/24 192.23.0.0/16
192.23.190.0/24 192.23.0.0/16
192.23.198.0/24 192.23.0.0/16
192.23.236.0/24 192.23.0.0/16
192.23.238.0/24 192.23.0.0/16
192.23.248.0/24 192.23.0.0/16
192.31.32.0/24 192.31.32.0/22
195.19.192.0/24 195.19.128.0/17
199.6.136.0/24 199.6.128.0/17
199.6.148.0/24 199.6.128.0/17
199.6.160.0/21 199.6.128.0/17
199.6.164.0/24 199.6.128.0/17
199.6.165.0/24 199.6.128.0/17
199.6.166.0/24 199.6.128.0/17
199.6.167.0/24 199.6.128.0/17
199.6.168.0/21 199.6.128.0/17
199.6.168.0/24 199.6.128.0/17
199.6.176.0/20 199.6.128.0/17
199.6.194.0/24 199.6.128.0/17
199.6.200.0/21 199.6.128.0/17
199.6.208.0/23 199.6.128.0/17
199.6.210.0/23 199.6.128.0/17
199.6.232.0/24 199.6.128.0/17
199.6.233.0/24 199.6.128.0/17
199.6.234.0/23 199.6.128.0/17
199.6.240.0/22 199.6.128.0/17
199.6.247.0/24 199.6.128.0/17
199.6.248.0/24 199.6.128.0/17
212.192.205.0/24 212.192.192.0/20
212.193.96.0/24 212.193.96.0/21
whois: 402332
IANA has recorded AS72 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS72\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 72
ASName: SCHLUMBERGER-AS
ASHandle: AS72
RegDate: 1986-05-05
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/72
OrgName: Schlumberger Limited
OrgId: SCHLU-3-Z
Address: 5599 San Felipe
Address: Suite 1700
City: Houston
StateProv: TX
PostalCode: 77056
Country: US
RegDate: 2008-06-05
Updated: 2011-07-28
Ref: https://rdap.arin.net/registry/entity/SCHLU-3-Z
OrgNOCHandle: SHEWD-ARIN
OrgNOCName: Schlumberger Houston EMC WAN Desk
OrgNOCPhone: +1-713-513-1928
OrgNOCEmail: IP-coordination@slb.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SHEWD-ARIN
OrgTechHandle: ZS104-ARIN
OrgTechName: Schlumberger IP Address Coordinator
OrgTechPhone: +1-713-513-1100
OrgTechEmail: IP-coordination@slb.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZS104-ARIN
OrgAbuseHandle: SISO-ARIN
OrgAbuseName: Schlumberger IT Security Operations
OrgAbusePhone: +1-713-513-3150
OrgAbuseEmail: hostmaster@slb.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SISO-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#