富士通株式会社

FUJITSU LIMITED
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
4 linked clusters · 404 netblocks · 1,792,943 IPv4 addresses · 42 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
3538000246DHJLRTUZ24
Registered name
富士通株式会社
Jurisdiction
JP
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks336 · 1,654,758 IPv4 addresses
IPv6 20 prefixes (largest 2001:258::/32)
Registered in Japan (253) · Spain (26) · United Kingdom (10) · China (5) · Germany (5) · Portugal (5)
All fragments 609 blocks across 82 clusters
Cluster ID213218214
RegistryAPNIC
Owner jurisdictionJP
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 3538000246DHJLRTUZ24
Shared handles clustered on 66 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
339 -24 netblocks since 2026-07-05
2026-07-05 peak 363 2026-07-26

IP Ranges (336)

showing 50 of 336 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
27.133.228.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
27.133.232.0/21 FUJITSU LIMITED BGP ANNOUNCED ● high
27.133.244.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
27.133.246.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
58.1.0.0/17 FUJITSU LIMITED BGP ANNOUNCED ● high
58.26.12.128/27 FUJITSU APNIC ASSIGNED NON-PORTABLE ● high
61.121.64.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.66.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.80.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.98.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.99.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.124.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.125.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
61.121.126.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
61.124.64.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high
61.124.128.0/17 FUJITSU LIMITED BGP ANNOUNCED ● high
61.210.0.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high
61.210.128.0/17 FUJITSU LIMITED BGP ANNOUNCED ● high
61.210.160.0/21 FUJITSU LIMITED BGP ANNOUNCED ● high
101.203.88.83/32 Fujitsu Limited AS58793 PEERINGDB ASSIGNED ● high
101.203.89.20/32 Fujitsu Limited (former Fujitsu Systems Applications & Support Limited) PEERINGDB ASSIGNED ● high
101.203.90.86/32 Fujitsu Limited AS58793 PEERINGDB ASSIGNED ● high
103.233.196.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.64.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.88.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.88.0/21 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.90.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.92.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.93.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.94.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.95.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.64.128.0/17 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.128.0/17 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.132.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.134.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.192.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.192.0/19 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.196.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.200.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.201.0/24 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.202.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.204.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.208.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.210.0/23 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.212.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.216.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
111.171.220.0/22 FUJITSU LIMITED BGP ANNOUNCED ● high
114.198.131.128/26 FUJITSU APNIC ASSIGNED NON-PORTABLE ● high
115.176.128.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high
115.177.192.0/18 FUJITSU LIMITED BGP ANNOUNCED ● high

IPv6 ranges (20)

showing the 15 largest allocations
CIDR
2001:258::/32
2401:2a80::/32
2001:258:8600::/48
2001:258:8608::/48
2001:258:8609::/48
2001:258:8613::/48
2001:258:8615::/48
2001:258:8800::/48
2001:258:8801::/48
2401:2a80:1::/48
2401:2a80:3::/48
2a00:2381:bf0::/48
2001:4d78:300:1202::/64
2402:1a80:dc00:2013::/64
2001:7fa:7:1:0:5:8793:1/128

Customer-delegated space

how is this classified?
Unclassified 289 (86.0%)
Customer access pools 38 (11.3%)
Operator infrastructure (named) 12 (3.6%)

Corporate group (4 confirmed entities)

+71 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: F how networks compare →
12.4% of checked blocks have valid RPKI ROA coverage (42 of 339)
Possible discrepancies (3)

These blocks are registered to FUJITSU LIMITED 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.

2a00:2381:bf0::/48 /48 authorized for AS2856 — British Telecommunications Limited
81.15.243.0/24 /24 authorized for AS50830 — Technology Solutions 360 Sp. z o.o.
82.177.17.0/24 /24 authorized for AS50830 — Technology Solutions 360 Sp. z o.o.

NIC Handles

AC2798-AP AG772-AP AM2355-AP AN638-AP AS15525-MNT AS1849-MNT AS23817 AS2510 AS5089-MNT AS55374 AS55386 AS58793 +54 more