ARM LIMITED

ARM Ltd
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
4 linked clusters · 384 netblocks · 45,502,656 IPv4 addresses · 58 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
213800N7TCCA6F7ZTX84
Registered name
ARM LIMITED
Jurisdiction
GB
Ultimate parent
ソフトバンクグループ株式会社
5493003BZYYYCDIO0R13
Cluster stats
Netblocks46 · 4,936 IPv4 addresses
IPv6 3 prefixes (largest 2a0a:140::/29)
Registered in United Kingdom (34) · France (5) · MU (2) · Portugal (2) · Turkey (2)
All fragments 72 blocks across 22 clusters
Cluster ID213201346
RegistryAFRINIC
Owner jurisdictionGB
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 213800N7TCCA6F7ZTX84
Shared handles clustered on 25 shared RIR contact/maintainer handles
Registry names 14 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
48 -2 netblocks since 2026-07-05
2026-07-05 peak 50 2026-07-26

IP Ranges (46)

⬇ export CSV
CIDR Org name Registry Status Confidence
217.140.96.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.97.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.99.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.100.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.101.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.102.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.103.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.104.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.106.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.107.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.108.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.109.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.110.0/24 ARM Ltd BGP ANNOUNCED ● high
217.140.111.0/24 ARM Ltd BGP ANNOUNCED ● high
41.72.193.156/30 Arm AFRINIC ASSIGNED PA ● low
41.72.193.160/30 Arm AFRINIC ASSIGNED PA ● low
62.48.166.224/28 ARM-NET RIPE ASSIGNED PA ● low
62.84.194.232/29 NET-SE-ARM-LTD RIPE ASSIGNED PA ● low
62.84.211.40/29 NET-SE-ARM-Ltd RIPE ASSIGNED PA ● low
77.92.108.1 – 77.92.108.62 ARM-NET RIPE ASSIGNED PA ● low
80.169.22.208/29 NET-SE-ARM-Ltd RIPE ASSIGNED PA ● low
81.3.120.112/29 ARM-LTD RIPE ASSIGNED PA ● low
82.44.141.44/30 ARM-LTD RIPE ASSIGNED PA ● low
82.150.4.224/29 ARM_LIMITED RIPE ASSIGNED PA ● low
83.240.155.128/29 ARM-NET RIPE ASSIGNED PA ● low
193.63.77.0/28 ARM-OBS RIPE ASSIGNED PA ● low
193.131.176.0/23 ARM RIPE ASSIGNED PA ● low
193.240.87.80/28 ARM_LTD RIPE ASSIGNED PA ● low
193.240.210.64/29 ARM-LTD RIPE ASSIGNED PA ● low
193.240.234.8/29 ARM-LTD RIPE ASSIGNED PA ● low
193.240.254.192/28 ARM-LTD RIPE ASSIGNED PA ● low
195.90.80.32/29 ARM_LIMITED RIPE ASSIGNED PA ● low
195.100.32.152/29 ARM_LIMITED RIPE ASSIGNED PA ● low
212.99.83.52/30 ARM RIPE ASSIGNED PA ● low
212.99.87.168/30 ARM RIPE ASSIGNED PA ● low
212.99.88.96/29 ARM RIPE ASSIGNED PA ● low
212.99.88.104/29 ARM RIPE ASSIGNED PA ● low
212.133.125.64/28 ARM-Limited RIPE ASSIGNED PA ● low
212.133.125.80/28 ARM-Limited RIPE ASSIGNED PA ● low
212.187.182.160/27 ARM-Limited RIPE ASSIGNED PA ● low
212.208.51.224/29 ARM-NET1 RIPE ASSIGNED PA ● low
213.144.111.113 – 213.144.111.126 ARM-NET RIPE ASSIGNED PA ● low
217.140.96.0/20 ARM Ltd RIPE ALLOCATED PA ● low
2a03:6947:200::/40 ARM RIPE AGGREGATED-BY-LIR ● low
2a0a:140::/29 ARM Ltd RIPE ALLOCATED-BY-RIR ● low
2a0a:144::/35 ARM Ltd RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (3)

CIDR
2a0a:140::/29
2a0a:144::/35
2a03:6947:200::/40

Domains hosted in this network

what's this?
arm.com

Corporate group (4 confirmed entities)

+6 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: D how networks compare →
39.6% of checked blocks have valid RPKI ROA coverage (19 of 48)
Possible discrepancies (2)

These blocks are registered to ARM Ltd but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0a:144::/35 /35 authorized for AS14618 — Amazon.com, Inc.
2a03:6947:200::/40 /40 authorized for AS49800 — GNC-Alfa CJSC

NIC Handles

AA110-AFRINIC AA110-AFRINIC AB34802-RIPE AS15525-MNT AS1849-MNT AS28939 AS5089-MNT COLT-MNT COMPLETEL-MNT DUMY-RIPE DUMY-RIPE IWAY-NOC +13 more