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IP ranges

Scaleway IP ranges

Every IPv4 and IPv6 range that Scaleway (AS12876) currently announces on the internet, with CIDR and start/end IP, free to download as TXT or CSV. Data snapshot: 2026-11-02.

Scaleway announces 22 IPv4 prefixes covering 553,216 addresses, and 8 IPv6 prefixes, through AS12876. The lists below are a snapshot of 2026-11-02 taken from the public BGP routing table, sorted by address and kept as announced.

ASNAS12876
IPv4 prefixes22
IPv4 addresses553,216Overlaps are counted once
IPv6 prefixes8
Data snapshot

Download the complete list

The complete list has 30 ranges (IPv4 and IPv6). TXT has one CIDR per line; CSV has the columns cidr, version, start_ip, end_ip and addresses.

Download TXTDownload CSVIPv4 only (TXT)IPv6 only (TXT)

Scaleway IPv4 ranges

IPv4 ranges announced by Scaleway: CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
51.15.0.0/1651.15.0.0–51.15.255.25565,536
51.15.0.0/1751.15.0.0–51.15.127.25532,768
51.158.0.0/1551.158.0.0–51.159.255.255131,072
51.158.128.0/1751.158.128.0–51.158.255.25532,768
51.159.224.0/1951.159.224.0–51.159.255.2558,192
62.4.0.0/1962.4.0.0–62.4.31.2558,192
62.210.0.0/1662.210.0.0–62.210.255.25565,536
78.232.0.0/1778.232.0.0–78.232.127.25532,768
78.232.128.0/1878.232.128.0–78.232.191.25516,384
151.115.0.0/17151.115.0.0–151.115.127.25532,768
151.115.128.0/19151.115.128.0–151.115.159.2558,192
151.115.160.0/19151.115.160.0–151.115.191.2558,192
151.115.192.0/24151.115.192.0–151.115.192.255256
151.115.208.0/20151.115.208.0–151.115.223.2554,096
151.115.224.0/19151.115.224.0–151.115.255.2558,192
163.172.0.0/16163.172.0.0–163.172.255.25565,536
163.172.208.0/20163.172.208.0–163.172.223.2554,096
195.154.0.0/16195.154.0.0–195.154.255.25565,536
212.47.224.0/19212.47.224.0–212.47.255.2558,192
212.83.128.0/19212.83.128.0–212.83.159.2558,192
212.83.160.0/19212.83.160.0–212.83.191.2558,192
212.129.0.0/18212.129.0.0–212.129.63.25516,384

All 22 ranges are listed.

Scaleway IPv6 ranges

IPv6 ranges announced by Scaleway: CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
2001:bc8::/322001:bc8::–2001:bc8:ffff:ffff:ffff:ffff:ffff:ffff296
2001:bc8:1400::/382001:bc8:1400::–2001:bc8:17ff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:1800::/382001:bc8:1800::–2001:bc8:1bff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:1c00::/382001:bc8:1c00::–2001:bc8:1fff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:4000::/382001:bc8:4000::–2001:bc8:43ff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:5000::/382001:bc8:5000::–2001:bc8:53ff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:6800::/382001:bc8:6800::–2001:bc8:6bff:ffff:ffff:ffff:ffff:ffff290
2001:bc8:e401::/482001:bc8:e401::–2001:bc8:e401:ffff:ffff:ffff:ffff:ffff280

All 8 ranges are listed.

About the Scaleway IP range data

  • ASNs and holders

    Scaleway announces its prefixes from AS12876. Holders in the registry: AS12876 (AS12876 Scaleway SAS).

  • What the list contains

    The ranges are the prefixes these ASNs announce in the public BGP routing table (obtained through RIPEstat), with adjacent blocks left unmerged. This is not an ownership record: it can include prefixes of customers and leased address space, and it can miss routes that very few peers see. Snapshot of 2026-11-02.

  • Typical uses

    Allow or block traffic from Scaleway in a firewall, WAF or nginx, label source IPs in your logs by network, or test with a CIDR match whether an IP belongs to Scaleway. Remember that cloud and carrier address space also runs the services of customers, so blocking a whole network can hit unrelated sites.

How to use the Scaleway IP list

  1. Start with the tables above: one for IPv4 and one for IPv6, each row with CIDR, start IP – end IP and address count.
  2. Choose Download TXT or Download CSV for the complete list. The file has all 30 ranges, not only the first rows shown on the page.
  3. Import the TXT as one address set into your firewall, router or ipset, or paste the CIDRs into a cloud security group rule.
  4. Check the snapshot date (2026-11-02) before using it in production. Cloud ranges change often, so compare with the official range file published by the provider.

Scaleway IP ranges: frequently asked questions

How many IP ranges does Scaleway have?

As of 2026-11-02, Scaleway announces 22 IPv4 prefixes covering 553,216 addresses and 8 IPv6 prefixes in the public BGP routing table, through AS12876.

What is the ASN of Scaleway?

Scaleway uses AS12876. Holders in the registry: AS12876 (AS12876 Scaleway SAS). Large organisations often run several ASNs, and this page merges the ones listed here.

How do I use the Scaleway IP list for a firewall allowlist or blocklist?

Download the TXT file (one CIDR per line) and import it into ipset, nftables, an nginx allow or deny include, a router address list or a cloud security group. Import the 30 ranges as one address set rather than as separate rules. The address space of Scaleway also hosts the services of its customers, so blocking all of it can cut off unrelated sites.

How often is the Scaleway IP list updated?

The list is a snapshot of 2026-11-02, regenerated about once a week from public BGP data (RIPEstat). Announcements change every day, so download it again before using it in production, and for cloud providers also compare it with the official range file they publish.

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