
72 SCHLUMBERGER-AS - Schlumberger Limited, US
Adjacency: 23 Upstream: 23 Downstream: 0
Upstream Adjacent AS list
AS15802 DU-AS1 - Emirates Integrated Telecommunications Company PJSC, AE
AS25019 SAUDINETSTC-AS - Saudi Telecom Company JSC, SA
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU
AS3300 BT - British Telecommunications PLC, GB
AS16735 AS16735 - ALGAR TELECOM S/A, BR
AS8452 TE-AS - IDDQD-AS, EG
AS6660 CWASIA - VODAFONE ENTERPRISE EQUIPMENT LIMITED, GB
AS5400 BT - British Telecommunications PLC, GB
AS8359 MTS - MTS PJSC, RU
AS9930 TTNET-MY - TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia, MY
AS55410 VIL-AS-AP - Vodafone Idea Ltd, IN
AS1273 CW - IDDQD-AS, EU
AS196925 AZRT-AS - Azertelecom LLC, AZ
AS8896 XFIBER-AS - GLOBALCONNECT AS, NO
AS18101 RELIANCE-COMMUNICATIONS-IN - Reliance Communications Ltd.DAKC MUMBAI, IN
AS49915 MEGAPORT - Megaport (UK) Limited, GB
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS135523 MULTINET-IE-AS-AP - Multinet Broadband, PK
AS35104 KTC-AS - Jusan Mobile JSC, KZ
AS151506 IDNIC-WPTECH-AS-ID - PT Widjaja Piranti Teknologi, ID
AS9931 NTPCL-AS-AP - National Telecom Public Company Limited, TH
AS52320 AS52320 - GlobeNet Cabos Submarinos Colombia, S.A.S., CO
AS6939 HURRICANE - Hurricane Electric LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 374 AS72 ORIGIN Originate: 1264896 /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 % 1026 AS72 SCHLUMBERGER-AS - Schlumberger Limited, US 139 66 7 80 59 42.45% Prefix AS Path Aggregation Suggestion 128.58.0.0/16 4608 6939 72 129.87.0.0/16 4608 6939 72 134.32.0.0/16 4608 6939 72 136.249.0.0/16 4608 6939 72 136.249.32.0/19 4608 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 4608 6939 72 136.249.64.0/18 4608 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 4608 6939 72 136.250.0.0/16 4608 6939 72 136.251.0.0/16 4777 6939 72 136.252.0.0/15 4608 6939 72 + Announce - aggregate of 136.252.0.0/16 (4608 6939 72) and 136.253.0.0/16 (4608 6939 72) 136.252.0.0/16 4608 6939 72 - Withdrawn - aggregated with 136.253.0.0/16 (4608 6939 72) 136.252.128.0/17 4608 6939 72 - Withdrawn - matching aggregate 136.252.0.0/16 4608 6939 72 136.252.251.0/24 4777 2497 5400 72 72 72 136.252.252.0/23 4777 2497 5400 72 72 72 + Announce - aggregate of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 4608 6939 72 - Withdrawn - aggregated with 136.252.0.0/16 (4608 6939 72) 136.253.192.0/18 4608 6939 72 - Withdrawn - matching aggregate 136.253.0.0/16 4608 6939 72 136.254.0.0/16 4608 6939 72 137.144.0.0/16 4777 6939 72 163.183.0.0/16 4608 6939 72 163.184.0.0/16 4608 24115 6660 72 163.185.0.0/16 4608 6939 72 163.186.0.0/16 4777 6939 72 163.187.0.0/16 4608 6939 72 163.188.0.0/16 4777 6939 72 192.12.34.0/23 4608 6939 72 192.12.40.0/24 4608 6939 72 192.12.43.0/24 4608 6939 72 192.23.0.0/16 4608 6939 72 192.23.8.0/24 4777 6939 12389 35104 72 192.23.10.0/23 4777 2516 1273 72 + Announce - aggregate of 192.23.10.0/24 (4777 2516 1273 72) and 192.23.11.0/24 (4777 2516 1273 72) 192.23.10.0/24 4777 2516 1273 72 - Withdrawn - aggregated with 192.23.11.0/24 (4777 2516 1273 72) 192.23.11.0/24 4777 2516 1273 72 - Withdrawn - aggregated with 192.23.10.0/24 (4777 2516 1273 72) 192.23.12.0/24 4777 2516 1273 72 192.23.14.0/24 4777 2516 1273 72 192.23.19.0/24 4608 1221 4637 38193 9260 135523 72 192.23.20.0/24 4608 6939 4651 9931 72 192.23.21.0/24 4608 7575 39386 25019 72 192.23.22.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.25.0/24 4777 2516 1273 55410 72 192.23.26.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.27.0/24 4777 2516 1273 72 192.23.32.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.37.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.42.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.44.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.58.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.62.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.63.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.65.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.66.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.67.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.68.0/23 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.72.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.75.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.76.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.80.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.81.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.82.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.83.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.84.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.85.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.86.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.89.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.91.0/24 4777 6939 52320 72 192.23.92.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.93.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.94.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.100.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.103.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.104.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.105.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.108.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.109.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.110.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.119.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.127.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.130.0/24 4777 2497 8359 72 192.23.135.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.142.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.152.0/24 4608 7575 3356 8452 72 192.23.153.0/24 4777 6939 12389 35104 72 192.23.156.0/24 4608 7575 57463 196925 72 192.23.162.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.163.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.166.0/24 4777 2497 9930 72 192.23.167.0/24 4777 2497 8359 72 192.23.169.0/24 4777 2516 1273 72 192.23.173.0/24 4777 2516 1273 72 192.23.175.0/24 4777 2497 3356 16735 72 192.23.176.0/24 4777 2516 3356 72 192.23.177.0/24 4608 6939 38158 151506 72 192.23.182.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.183.0/24 4777 2516 3257 49915 72 192.23.185.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 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 4777 2516 15412 18101 72 192.23.198.0/24 4777 2516 1299 8896 72 192.23.236.0/24 4777 2516 1273 72 192.23.238.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.23.248.0/24 4608 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 4608 6939 72 192.31.32.0/24 4608 6939 72 192.31.36.0/24 4608 6939 72 192.58.37.0/24 4608 6939 72 192.58.38.0/23 4608 6939 72 195.19.192.0/24 4777 2497 8359 72 198.136.232.0/24 4608 6939 72 198.160.175.0/24 4608 6939 72 198.160.176.0/24 4608 6939 72 198.176.175.0/24 4608 6939 72 199.6.128.0/17 4777 6939 72 199.6.136.0/24 4608 6939 72 199.6.148.0/24 4608 6939 72 199.6.160.0/19 4608 6939 72 + Announce - aggregate of 199.6.160.0/20 (4608 6939 72) and 199.6.176.0/20 (4608 6939 72) 199.6.160.0/21 4608 6939 72 - Withdrawn - aggregated with 199.6.168.0/21 (4608 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 4608 6939 72 - Withdrawn - aggregated with 199.6.160.0/21 (4608 6939 72) 199.6.168.0/24 4777 2497 3300 72 199.6.176.0/20 4608 6939 72 - Withdrawn - aggregated with 199.6.160.0/20 (4608 6939 72) 199.6.194.0/24 4608 6939 72 199.6.200.0/21 4608 6939 72 199.6.208.0/22 4608 6939 72 + Announce - aggregate of 199.6.208.0/23 (4608 6939 72) and 199.6.210.0/23 (4608 6939 72) 199.6.208.0/23 4608 6939 72 - Withdrawn - aggregated with 199.6.210.0/23 (4608 6939 72) 199.6.210.0/23 4608 6939 72 - Withdrawn - aggregated with 199.6.208.0/23 (4608 6939 72) 199.6.232.0/22 4608 6939 72 + Announce - aggregate of 199.6.232.0/23 (4608 6939 72) and 199.6.234.0/23 (4608 6939 72) 199.6.232.0/24 4608 6939 72 - Withdrawn - aggregated with 199.6.233.0/24 (4608 6939 72) 199.6.233.0/24 4608 6939 72 - Withdrawn - aggregated with 199.6.232.0/24 (4608 6939 72) 199.6.234.0/23 4608 6939 72 - Withdrawn - aggregated with 199.6.232.0/23 (4608 6939 72) 199.6.240.0/22 4608 6939 72 199.6.247.0/24 4608 6939 72 199.6.248.0/24 4608 6939 72 199.168.0.0/21 4608 6939 72 199.168.8.0/23 4608 6939 72 204.17.157.0/24 4608 6939 72 204.17.158.0/23 4608 6939 72 204.17.160.0/23 4608 6939 72 204.17.162.0/24 4608 6939 72 204.126.126.0/23 4608 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 112 More Specifics 139 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
192.23.10.0/24 192.23.0.0/16
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
192.23.32.0/24 192.23.0.0/16
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
192.23.142.0/24 192.23.0.0/16
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
192.23.183.0/24 192.23.0.0/16
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
192.23.31.0/24 192.23.0.0/16
192.23.137.0/24 192.23.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 192.23.31.0/24 Withdrawn
- 192.23.137.0/24 Withdrawn
whois: 402591
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
OrgTechHandle: ZS104-ARIN
OrgTechName: Schlumberger IP Address Coordinator
OrgTechPhone: +1-713-513-3150
OrgTechEmail: hostmaster@slb.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZS104-ARIN
OrgNOCHandle: SHEWD-ARIN
OrgNOCName: Schlumberger Houston EMC WAN Desk
OrgNOCPhone: +1-713-513-2028
OrgNOCEmail: IP-coordination@slb.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SHEWD-ARIN
OrgAbuseHandle: SISO-ARIN
OrgAbuseName: Schlumberger IT Security Operations
OrgAbusePhone: +1-713-513-1100
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.
#