Improve AB

Improve International Ltd
Data as of 2026-10-04
GLEIF verified
LEI
2549005X897JA7ZAOZ91
Registered name
Improve AB
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks12
IPv6 1 prefix (largest 2001:41f0:1490::/48)
Registered in France (10) · Netherlands (1)
Also registered under this name 17 netblocks across 2 separate records
Record ID246249124
RegistryRIPE
Owner jurisdictionSE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 2549005X897JA7ZAOZ91
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
46.105.231.64/28 Improve International Ltd RIPE ASSIGNED PA ● high
51.38.84.228/30 Improve International Ltd RIPE LEGACY ● high
51.75.182.32/28 Improve International Ltd RIPE LEGACY ● high
51.195.146.160/28 Improve International Ltd RIPE LEGACY ● high
51.195.153.224/28 Improve International Ltd RIPE LEGACY ● high
54.38.73.32/30 Improve International Ltd RIPE LEGACY ● high
137.74.19.180/30 Improve International Ltd RIPE ASSIGNED PA ● high
149.202.249.128/28 Improve International Ltd RIPE ASSIGNED PA ● high
213.11.170.0/29 IMPROVE-NET1 RIPE ASSIGNED PA ● low
213.11.240.128/29 IMPROVE-NET1 RIPE ASSIGNED PA ● low
217.100.83.160/29 IMPROVE_PARTNERS_BV RIPE ASSIGNED PA ● low
2001:41f0:1490::/48 IMPROVE_PARTNERS_BV RIPE ASSIGNED ● low

IPv6 ranges (1)

Footprint over time

15 weekly snapshots · JSON
12 -4 netblocks since 2026-07-05
2026-07-05 peak 17 2026-10-04

Network trust

what's this?
RPKI hygiene: B how networks compare →
83.3% of checked blocks have valid RPKI ROA coverage (10 of 12)
Possible discrepancies (1)

These blocks are registered to Improve International Ltd 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.

2001:41f0:1490::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

DUMY-RIPE DUMY-RIPE IWAY-NOC ORG-IIL26-RIPE OVH-MNT ZIGGO-AUTOREG1