AS19148 — LEASEWEB-USA-PHX
Network type: hosting
AS19148 announces 43 IPv4 prefixes covering 64,256 addresses and 13 IPv6 prefixes.
About this network
Leaseweb USA (LEASEWEB-USA-PHX) — the US arm of Leaseweb, a large Netherlands-based hosting and IaaS provider. This block covers US datacenters such as Phoenix.
What it's used for
- Dedicated servers, virtual servers, colocation, and cloud/IaaS for business customers hosted in Leaseweb's US facilities.
Notable
- An infrastructure host: an IP here identifies Leaseweb as the host, not the operator of whatever runs on it — could be a legit business or an abusive VPS.
- Leaseweb operates multiple regional entities and ASNs worldwide (US, NL, DE, APAC).
Interesting
- Leaseweb is one of the larger independent bare-metal/IaaS hosts globally, known for high-bandwidth dedicated servers.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 23.19.108.0/22
- 23.19.132.0/22
- 23.19.144.0/22
- 23.19.172.0/22
- 23.81.16.0/21
- 23.81.48.0/20
- 23.81.80.0/22
- 23.81.88.0/21
- 23.81.120.0/21
- 23.81.128.0/21
- 23.81.144.0/21
- 23.81.172.0/22
- 23.81.192.0/21
- 23.81.204.0/22
- 23.81.216.0/22
- 23.81.224.0/19
- 23.82.60.0/22
- 23.82.152.0/21
- 23.83.128.0/21
- 23.83.144.0/21
- 23.83.184.0/22
- 23.105.56.0/21
- 64.120.56.0/21
- 64.120.72.0/22
- 64.120.124.0/22
- 89.249.194.0/23
- 108.62.16.0/21
- 108.62.144.0/21
- 108.62.224.0/21
- 152.163.48.0/22
- 152.163.76.0/22
- 152.163.124.0/22
- 152.163.152.0/22
- 152.163.176.0/22
- 152.163.200.0/22
- 152.163.228.0/22
- 152.163.252.0/22
- 173.208.64.0/22
- 173.208.127.0/24
- 191.101.26.0/24
- 191.101.174.0/24
- 212.42.196.0/24
- 212.42.206.0/24
- 2607:f5b0::/32
- 2a11:2340::/29
- 2a11:3940::/29
- 2a11:50c0::/29
- 2a11:7540::/29
- 2a11:9440::/29
- 2a11:a440::/29
- 2a11:c140::/29
- 2a11:dc40::/29
- 2a12:6400::/29
- 2a12:b600::/29
- 2a14:9e00:4::/48
- 2a14:9e00:8::/48
Upstream networks
Adjacent networks
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IPv4 Prefixes
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED