Leaseweb USA, Inc.

Data as of 2026-08-09

BGP inherited

Complete entity footprint

2 linked clusters · 1,004 netblocks · 1,531,136 IPv4 addresses · 115 IPv6 prefixes

This organisation's clusters combined by evidence — shared operating domain ubiquity.io — not name similarity, so genuinely different organisations that share a name are excluded.

View the full entity page →

Cluster stats

Netblocks	999 · 1,531,136 IPv4 addresses
IPv6	115 prefixes (largest 2607:f5b0::/29)
Registered in	United States (888) · LT (76) · SC (33) · United Arab Emirates (28) · Ukraine (20) · AM (16)
All fragments	1,503 blocks across 6 clusters
Cluster ID	218130765
Registry	BGP
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 43 shared RIR contact/maintainer handles
Registry names	2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

7 weekly snapshots · JSON

1,199 +408 netblocks since 2026-07-05

2026-07-05 peak 1,199 2026-08-09

IP Ranges (999)

showing 50 of 999 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)

CIDR	Org name	Registry	Status	Confidence
2.57.20.0/23	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.0.0/19	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.32.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.41.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.44.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.64.0/20	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.80.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.88.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.96.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.104.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.108.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.112.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.124.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.128.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.132.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.144.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.148.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.152.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.157.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.164.0/22	Leaseweb USA, Inc.	ARIN	ALLOCATION	● high
23.19.168.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.172.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.184.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.192.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.198.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.199.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.200.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.206.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.212.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.216.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.220.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.224.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.228.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.236.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.244.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.248.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.19.252.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.27.237.0/24	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.80.0.0/16	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.0.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.8.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.12.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.16.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.48.0/20	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.64.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.72.0/21	Leaseweb USA, Inc.	ARIN	ALLOCATION	● high
23.81.80.0/22	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.84.0/22	Leaseweb USA, Inc.	ARIN	ALLOCATION	● high
23.81.88.0/21	Leaseweb USA, Inc.	BGP	ANNOUNCED	● high
23.81.96.0/22	Leaseweb USA, Inc.	ARIN	ALLOCATION	● high

IPv6 ranges (115)

showing the 15 largest allocations

CIDR
2607:f5b0::/29
2a09:30c0::/29
2a09:43c0::/29
2a09:7f80::/29
2a0d:83c0::/29
2a0d:9400::/29
2a0f:1740::/29
2a0f:2e80::/29
2a10:32c0::/29
2a10:35c0::/29
2a10:6d40::/29
2a10:fdc0::/29
2a11:1700::/29
2a11:2240::/29
2a11:2340::/29

Domains hosted in this network

what's this?

Network trust

what's this?

RPKI hygiene: B how networks compare →

80.5% of checked blocks have valid RPKI ROA coverage (965 of 1,199)

Possible discrepancies (4)

These blocks are registered to Leaseweb USA, Inc. but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

23.27.237.0/24 /24	authorized for AS3356 — Level 3 Parent, LLC
45.129.127.0/24 /24	authorized for AS7018 — AT&T Enterprises, LLC
177.28.2.0/24 /24	authorized for AS17561 — Larus Limited
185.129.123.0/24 /24	authorized for AS203512 — DEL Systems d.o.o

NIC Handles

AS19148 AS27411 AS30633 AS3257-IPAM-MNT AS393886 AS394380 AS395954 AS396190 AS396362 AS60781 AS7203 BeniGaz +31 more