oracle · ap-singapore-1

Oracle Cloud Infrastructure uses 24 prefixes for ap-singapore-1.

Name: Oracle Cloud Infrastructure ap-singapore-1 IP ranges
Creator: Oracle Cloud Infrastructure

Last updated 5 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 “ap-singapore-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 prefixes	24
IPv6 prefixes	0
Regions in the first 100	ap-singapore-1
Fetched by peekip	5 Nov 2026

Prefixes

Prefix	Region / location	Service
129.148.176.0/22	ap-singapore-1	ap-singapore-1
129.148.180.0/25	ap-singapore-1	ap-singapore-1
129.148.184.0/22	ap-singapore-1	ap-singapore-1
129.150.32.0/19	ap-singapore-1	ap-singapore-1
129.221.128.0/17	ap-singapore-1	ap-singapore-1
129.221.32.0/19	ap-singapore-1	ap-singapore-1
134.185.80.0/20	ap-singapore-1	ap-singapore-1
134.70.128.0/22	ap-singapore-1	ap-singapore-1
138.2.64.0/19	ap-singapore-1	ap-singapore-1
138.2.96.0/20	ap-singapore-1	ap-singapore-1
140.204.54.128/25	ap-singapore-1	ap-singapore-1
140.245.96.0/19	ap-singapore-1	ap-singapore-1
140.91.56.0/23	ap-singapore-1	ap-singapore-1
146.235.16.0/21	ap-singapore-1	ap-singapore-1
152.69.208.0/20	ap-singapore-1	ap-singapore-1
158.178.224.0/20	ap-singapore-1	ap-singapore-1
158.178.240.0/21	ap-singapore-1	ap-singapore-1
159.112.172.0/22	ap-singapore-1	ap-singapore-1
161.118.192.0/18	ap-singapore-1	ap-singapore-1
168.107.64.0/19	ap-singapore-1	ap-singapore-1
168.110.244.0/22	ap-singapore-1	ap-singapore-1
168.138.160.0/19	ap-singapore-1	ap-singapore-1
207.127.109.192/26	ap-singapore-1	ap-singapore-1
213.35.96.0/19	ap-singapore-1	ap-singapore-1

What changed

29 Oct 2026
```
+ 129.221.128.0/17
+ 129.221.32.0/19
```

Allowlist formats

nginx (first 5 prefixes)

allow 129.148.176.0/22;
allow 129.148.180.0/25;
allow 129.148.184.0/22;
allow 129.150.32.0/19;
allow 129.221.128.0/17;
deny all;

iptables (first 5 prefixes)

iptables -A INPUT -s 129.148.176.0/22 -j ACCEPT
iptables -A INPUT -s 129.148.180.0/25 -j ACCEPT
iptables -A INPUT -s 129.148.184.0/22 -j ACCEPT
iptables -A INPUT -s 129.150.32.0/19 -j ACCEPT
iptables -A INPUT -s 129.221.128.0/17 -j ACCEPT

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

Sources

Oracle Cloud Infrastructure: published IP ranges · checked 5 Nov 2026
Oracle Cloud Infrastructure documentation