72 SCHLUMBERGER-AS, US
Adjacency: 35 Upstream: 35 Downstream: 0
Upstream Adjacent AS list
AS9049 ERTH-TRANSIT-AS, RU
AS20562 OPEN-PEERING-AS Open Peering Initiative, Amsterdam, The Netherlands, NL
AS35753 ITC ITC AS number, SA
AS16735 ALGAR TELECOM SA, BR
AS24785 JOINTTRANSIT-AS, NL
AS12389 ROSTELECOM-AS, RU
AS3356 LEVEL3, US
AS9931 CAT-AP The Communication Authoity of Thailand, CAT, TH
AS8220 COLT COLT Technology Services Group Limited, GB
AS1273 CW Vodafone Group PLC, EU
AS18101 RELIANCE-COMMUNICATIONS-IN Reliance Communications Ltd.DAKC MUMBAI, IN
AS196925 AZRT-AS, AZ
AS3216 SOVAM-AS, RU
AS3300 BT, GB
AS151506 IDNIC-WPTECH-AS-ID PT Widjaja Piranti Teknologi, ID
AS25019 SAUDINETSTC-AS, SA
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO
AS2856 BT-UK-AS BTnet UK Regional network, GB
AS5400 BT, GB
AS8359 MTS, RU
AS8896 XFIBER-AS, NO
AS132280 SYMPHONY-AP-TH Symphony Communication Thailand PCL., TH
AS135523 MULTINET-IE-AS-AP Multinet Broadband, PK
AS174 COGENT-174, US
AS2686 ATGS-MMD-AS, US
AS2688 ATGS-MMD-AS, US
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
AS15802 DU-AS1, AE
AS8452 TE-AS TE-AS, EG
AS8902 IFB Internet For Business Limited, GB
AS35104 KTC-AS, KZ
AS6660 CWASIA, GB
AS49915 MEGAPORT-GLOBAL-ACCESS Megaport, GB
AS6939 HURRICANE, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 380 AS72 ORIGIN Originate: 1265408 /11.73 Transit: 0 /0.00 SCHLUMBERGER-AS, 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 % 926 AS72 SCHLUMBERGER-AS, US 141 75 5 71 70 49.65% Prefix AS Path Aggregation Suggestion 128.58.0.0/16 6939 72 129.87.0.0/16 6939 72 134.32.0.0/16 6939 72 136.249.0.0/16 6939 72 136.249.32.0/19 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 6939 72 136.249.64.0/18 6939 72 - Withdrawn - matching aggregate 136.249.0.0/16 6939 72 136.250.0.0/15 6939 72 + Announce - aggregate of 136.250.0.0/16 (6939 72) and 136.251.0.0/16 (6939 72) 136.250.0.0/16 6939 72 - Withdrawn - aggregated with 136.251.0.0/16 (6939 72) 136.251.0.0/16 6939 72 - Withdrawn - aggregated with 136.250.0.0/16 (6939 72) 136.252.0.0/15 6939 72 + Announce - aggregate of 136.252.0.0/16 (6939 72) and 136.253.0.0/16 (6939 72) 136.252.0.0/16 6939 72 - Withdrawn - aggregated with 136.253.0.0/16 (6939 72) 136.252.128.0/17 6939 72 - Withdrawn - matching aggregate 136.252.0.0/16 6939 72 136.252.251.0/24 6939 5400 72 72 72 136.252.252.0/23 6939 5400 72 72 72 + Announce - aggregate of 136.252.252.0/24 (6939 5400 72 72 72) and 136.252.253.0/24 (6939 5400 72 72 72) 136.252.252.0/24 6939 5400 72 72 72 - Withdrawn - aggregated with 136.252.253.0/24 (6939 5400 72 72 72) 136.252.253.0/24 6939 5400 72 72 72 - Withdrawn - aggregated with 136.252.252.0/24 (6939 5400 72 72 72) 136.252.254.0/24 6939 5400 72 72 72 136.253.0.0/16 6939 72 - Withdrawn - aggregated with 136.252.0.0/16 (6939 72) 136.253.192.0/18 6939 72 - Withdrawn - matching aggregate 136.253.0.0/16 6939 72 136.254.0.0/16 6939 72 137.144.0.0/16 6939 72 163.183.0.0/16 6939 72 163.184.0.0/16 3257 3491 6660 72 163.185.0.0/16 6939 72 163.186.0.0/15 6939 72 + Announce - aggregate of 163.186.0.0/16 (6939 72) and 163.187.0.0/16 (6939 72) 163.186.0.0/16 6939 72 - Withdrawn - aggregated with 163.187.0.0/16 (6939 72) 163.187.0.0/16 6939 72 - Withdrawn - aggregated with 163.186.0.0/16 (6939 72) 163.188.0.0/16 6939 72 192.12.34.0/23 6939 72 192.12.40.0/24 6939 72 192.12.43.0/24 6939 72 192.23.0.0/16 6939 72 192.23.8.0/24 57866 6453 35104 72 192.23.10.0/24 2497 1273 72 192.23.11.0/24 6939 1273 72 192.23.12.0/24 2497 1273 72 192.23.14.0/24 6939 1273 72 192.23.19.0/24 6939 38193 9260 135523 72 192.23.20.0/24 2497 4651 9931 72 192.23.21.0/24 2914 39386 25019 72 192.23.22.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.25.0/24 3257 55410 72 192.23.26.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.27.0/24 6939 1273 72 192.23.31.0/24 6939 8902 72 192.23.32.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.37.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.42.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.44.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.58.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.62.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.63.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.65.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.66.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.67.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.68.0/23 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.72.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.75.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.76.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.80.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.81.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.82.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.83.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.84.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.85.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.86.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.89.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.91.0/24 6939 52320 72 192.23.92.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.93.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.94.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.100.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.103.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.104.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.105.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.108.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.109.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.110.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.119.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.127.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.130.0/24 2497 8359 72 192.23.135.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.137.0/24 3303 2856 72 192.23.142.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.152.0/24 6939 8452 72 192.23.153.0/24 6939 12389 35104 72 192.23.156.0/24 6939 196925 72 192.23.162.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.163.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.166.0/24 2914 9930 72 192.23.167.0/24 2497 8359 72 192.23.169.0/24 6939 1273 72 192.23.173.0/24 6939 1273 72 192.23.175.0/24 3303 16735 72 192.23.176.0/24 6939 3356 72 192.23.177.0/24 6939 38158 151506 72 192.23.182.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.183.0/24 3257 49915 72 192.23.185.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.186.0/24 6939 38158 151506 72 72 72 72 72 72 72 72 72 72 192.23.189.0/24 3741 15802 72 192.23.190.0/24 2914 15412 18101 72 192.23.198.0/24 6939 12552 8896 72 192.23.236.0/24 6939 1273 72 192.23.238.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.23.248.0/24 6939 72 - Withdrawn - matching aggregate 192.23.0.0/16 6939 72 192.31.32.0/24 6939 72 192.31.36.0/24 6939 72 192.58.37.0/24 6939 72 192.58.38.0/23 6939 72 195.19.192.0/24 2497 8359 72 198.136.232.0/24 6939 72 198.160.175.0/24 6939 72 198.160.176.0/24 6939 72 198.176.175.0/24 6939 72 199.6.128.0/17 6939 72 199.6.136.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.148.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.160.0/21 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.164.0/22 2497 3300 72 + Announce - aggregate of 199.6.164.0/23 (2497 3300 72) and 199.6.166.0/23 (2497 3300 72) 199.6.164.0/24 2497 3300 72 - Withdrawn - aggregated with 199.6.165.0/24 (2497 3300 72) 199.6.165.0/24 2497 3300 72 - Withdrawn - aggregated with 199.6.164.0/24 (2497 3300 72) 199.6.166.0/24 2497 3300 72 - Withdrawn - aggregated with 199.6.167.0/24 (2497 3300 72) 199.6.167.0/24 2497 3300 72 - Withdrawn - aggregated with 199.6.166.0/24 (2497 3300 72) 199.6.168.0/21 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.168.0/24 2497 3300 72 199.6.176.0/20 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.194.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.200.0/21 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.208.0/23 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.210.0/23 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.232.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.233.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.234.0/23 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.240.0/22 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.247.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.6.248.0/24 6939 72 - Withdrawn - matching aggregate 199.6.128.0/17 6939 72 199.168.0.0/21 6939 72 199.168.8.0/23 6939 72 204.17.157.0/24 6939 72 204.17.158.0/23 6939 72 204.17.160.0/23 6939 72 204.17.162.0/24 6939 72 204.126.126.0/23 6939 72 212.192.205.0/24 6939 3216 72 72 72 72 72 212.193.96.0/24 6939 3216 72 72
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS72 104 More Specifics 121 Total Advertisements SCHLUMBERGER-AS, US
136.249.32.0/19 136.249.0.0/16
136.249.64.0/18 136.249.0.0/16
136.251.0.0/16 136.250.0.0/15
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
163.184.226.0/24 163.184.0.0/14
163.185.0.0/16 163.184.0.0/14
163.186.0.0/16 163.184.0.0/14
192.23.11.0/24 192.23.0.0/16
192.23.14.0/24 192.23.0.0/16
192.23.22.0/24 192.23.0.0/16
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
192.23.45.0/24 192.23.0.0/16
192.23.52.0/24 192.23.0.0/16
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
192.23.134.0/24 192.23.0.0/16
192.23.135.0/24 192.23.0.0/16
192.23.142.0/24 192.23.0.0/16
192.23.143.0/24 192.23.0.0/16
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
192.23.182.0/24 192.23.0.0/16
192.23.185.0/24 192.23.0.0/16
192.23.186.0/24 192.23.0.0/16
192.23.188.0/24 192.23.0.0/16
192.23.190.0/24 192.23.0.0/16
192.23.198.0/24 192.23.0.0/16
192.23.220.0/24 192.23.0.0/16
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
199.6.144.0/23 199.6.128.0/17
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
199.6.212.0/24 199.6.128.0/17
199.6.213.0/24 199.6.128.0/17
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
212.162.205.0/24 212.162.192.0/18
212.193.96.0/24 212.193.96.0/21
136.250.0.0/16 136.250.0.0/15
136.252.0.0/16 136.252.0.0/15
163.187.0.0/16 163.184.0.0/14
192.23.7.0/24 192.23.0.0/16
192.23.8.0/24 192.23.0.0/16
192.23.10.0/24 192.23.0.0/16
199.6.136.0/24 199.6.128.0/17
199.6.148.0/24 199.6.128.0/17
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 192.23.62.0/24 Announced
+ 192.23.185.0/24 Announced
- 129.87.0.0/16 Withdrawn
- 134.32.0.0/16 Withdrawn
- 136.249.0.0/16 Withdrawn
- 136.250.0.0/16 Withdrawn
- 136.252.0.0/16 Withdrawn
- 136.254.0.0/16 Withdrawn
- 163.183.0.0/16 Withdrawn
- 163.187.0.0/16 Withdrawn
- 192.12.34.0/23 Withdrawn
- 192.23.7.0/24 Withdrawn
- 192.23.8.0/24 Withdrawn
- 192.23.10.0/24 Withdrawn
- 192.58.37.0/24 Withdrawn
- 192.58.38.0/23 Withdrawn
- 199.6.128.0/17 Withdrawn
- 199.6.136.0/24 Withdrawn
- 199.6.148.0/24 Withdrawn
whois: 402603
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/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
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: +1-713-513-1100
OrgTechEmail: hostmaster@slb.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZS104-ARIN
OrgNOCHandle: SHEWD-ARIN
OrgNOCName: Schlumberger Houston EMC WAN Desk
OrgNOCPhone: +1-713-513-1928
OrgNOCEmail: IP-coordination@slb.com
OrgNOCRef: https://rdap.arin.net/registry/entity/SHEWD-ARIN
OrgAbuseHandle: SISO-ARIN
OrgAbuseName: Schlumberger IT Security Operations
OrgAbusePhone: +1-713-513-3150
OrgAbuseEmail: abuse@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.
#