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oracle · mx-monterrey-1

Oracle Cloud Infrastructure uses 10 prefixes for mx-monterrey-1.

Last updated 3 Nov 2026 from Oracle Cloud Infrastructure’s own list (file dated 2026-10-28T02:47:53.012304)

Short answer

Oracle Cloud Infrastructure lists these prefixes under “mx-monterrey-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 prefixes10
IPv6 prefixes0
Regions in the first 100mx-monterrey-1
Fetched by peekip3 Nov 2026

Prefixes

PrefixRegion / locationService
134.70.200.0/23mx-monterrey-1mx-monterrey-1
139.177.104.0/22mx-monterrey-1mx-monterrey-1
139.177.108.0/25mx-monterrey-1mx-monterrey-1
139.177.96.0/21mx-monterrey-1mx-monterrey-1
140.204.132.128/25mx-monterrey-1mx-monterrey-1
140.91.90.0/23mx-monterrey-1mx-monterrey-1
157.137.160.0/19mx-monterrey-1mx-monterrey-1
157.137.253.0/24mx-monterrey-1mx-monterrey-1
40.233.0.0/19mx-monterrey-1mx-monterrey-1
64.181.146.0/23mx-monterrey-1mx-monterrey-1
Showing 10 of 10 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 134.70.200.0/23;
allow 139.177.104.0/22;
allow 139.177.108.0/25;
allow 139.177.96.0/21;
allow 140.204.132.128/25;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 134.70.200.0/23 -j ACCEPT
iptables -A INPUT -s 139.177.104.0/22 -j ACCEPT
iptables -A INPUT -s 139.177.108.0/25 -j ACCEPT
iptables -A INPUT -s 139.177.96.0/21 -j ACCEPT
iptables -A INPUT -s 140.204.132.128/25 -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 3 Nov 2026
  2. Oracle Cloud Infrastructure documentation