Schlumberger GmbH

Schlumberger Limited
Data as of 2026-08-09
GLEIF verified
LEI
52990064K6NWK0AR6838
Registered name
Schlumberger GmbH
Jurisdiction
AT
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks180 · 1,158,729 IPv4 addresses
IPv6 1 prefix (largest 2620:0:1700::/44)
Registered in United States (152) · United Kingdom (13) · Russia (5) · Austria (3) · Netherlands (2) · Nigeria (1)
All fragments 220 blocks across 23 clusters
Cluster ID218142080
RegistryAFRINIC
Owner jurisdictionAT
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 52990064K6NWK0AR6838
Shared handles clustered on 40 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON
185 +4 netblocks since 2026-07-05
2026-07-05 peak 185 2026-08-09

IP Ranges (180)

showing 50 of 180 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
103.41.12.46/32 Schlumberger Limited PEERINGDB ASSIGNED ● high
128.58.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
129.87.0.0/16 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
134.32.0.0/16 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
136.249.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
136.249.0.0 – 136.254.255.255 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
136.249.32.0/19 Schlumberger Limited BGP ANNOUNCED ● high
136.249.64.0/18 Schlumberger Limited BGP ANNOUNCED ● high
136.250.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
136.251.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
136.252.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
136.252.128.0/17 Schlumberger Limited BGP ANNOUNCED ● high
136.252.251.0/24 Schlumberger Limited BGP ANNOUNCED ● high
136.252.252.0/24 Schlumberger Limited BGP ANNOUNCED ● high
136.252.253.0/24 Schlumberger Limited BGP ANNOUNCED ● high
136.252.254.0/24 Schlumberger Limited BGP ANNOUNCED ● high
136.253.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
136.253.192.0/18 Schlumberger Limited BGP ANNOUNCED ● high
136.254.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
137.144.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.183.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.183.0.0 – 163.188.255.255 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
163.184.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.185.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.186.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.187.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
163.188.0.0/16 Schlumberger Limited BGP ANNOUNCED ● high
192.12.34.0/23 Schlumberger Limited BGP ANNOUNCED ● high
192.12.34.0 – 192.12.40.255 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
192.12.40.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.12.43.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.0.0/16 Schlumberger Limited ARIN DIRECT ALLOCATION ● high
192.23.7.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.8.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.10.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.11.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.12.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.13.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.14.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.19.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.20.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.21.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.22.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.25.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.26.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.27.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.31.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.32.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.37.0/24 Schlumberger Limited BGP ANNOUNCED ● high
192.23.42.0/24 Schlumberger Limited BGP ANNOUNCED ● high

IPv6 ranges (1)

CIDR
2620:0:1700::/44

Domains hosted in this network

what's this?
slb.com

Customer-delegated space

how is this classified?
Unclassified 153 (85.0%)
Customer access pools 29 (16.1%)
Operator infrastructure (named) 3 (1.7%)

Network trust

what's this?
RPKI hygiene: F how networks compare →
16.2% of checked blocks have valid RPKI ROA coverage (30 of 185)
Possible discrepancies (1)

These blocks are registered to Schlumberger Limited but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

93.124.248.0/24 /24 authorized for AS25400 — Telia Norge AS

NIC Handles

ALICE-MNT AS12302-MNT AS2567 AS5089-MNT AS72 AS72 BTNET-MNT CW-EUROPE-GSOC DUMY-RIPE DUMY-RIPE GE1-AFRINIC IBIS-MNT +28 more