oracle · eu-madrid-1

Oracle Cloud Infrastructure uses 14 prefixes for eu-madrid-1.

Short answer

Oracle Cloud Infrastructure lists these prefixes under “eu-madrid-1”. Oracle Cloud Infrastructure publishes its public ranges per region in public_ip_ranges.json, with tags such as OCI and OSN (Oracle Services Network).

IPv4 prefixes14
IPv6 prefixes0
Regions in the first 100eu-madrid-1
Fetched by peekip4 Nov 2026

Prefixes

PrefixRegion / locationService
130.110.232.0/22eu-madrid-1eu-madrid-1
130.110.239.0/24eu-madrid-1eu-madrid-1
134.70.176.0/22eu-madrid-1eu-madrid-1
140.204.112.128/25eu-madrid-1eu-madrid-1
140.91.78.0/23eu-madrid-1eu-madrid-1
141.253.192.0/20eu-madrid-1eu-madrid-1
143.47.32.0/19eu-madrid-1eu-madrid-1
155.248.136.0/22eu-madrid-1eu-madrid-1
155.248.140.0/25eu-madrid-1eu-madrid-1
158.179.208.0/20eu-madrid-1eu-madrid-1
51.170.32.0/19eu-madrid-1eu-madrid-1
79.72.20.0/23eu-madrid-1eu-madrid-1
79.72.48.0/20eu-madrid-1eu-madrid-1
89.168.0.0/21eu-madrid-1eu-madrid-1
Showing 14 of 14 prefixes All prefixes (CSV)

What changed

No prefixes added or removed since we started tracking this list. Changes appear here the day after the provider publishes them.

Allowlist formats

nginx (first 5 prefixes)
allow 130.110.232.0/22;
allow 130.110.239.0/24;
allow 134.70.176.0/22;
allow 140.204.112.128/25;
allow 140.91.78.0/23;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 130.110.232.0/22 -j ACCEPT
iptables -A INPUT -s 130.110.239.0/24 -j ACCEPT
iptables -A INPUT -s 134.70.176.0/22 -j ACCEPT
iptables -A INPUT -s 140.204.112.128/25 -j ACCEPT
iptables -A INPUT -s 140.91.78.0/23 -j ACCEPT

Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.

Sources

  1. Oracle Cloud Infrastructure: published IP ranges · checked 4 Nov 2026
  2. Oracle Cloud Infrastructure documentation