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CIDR Range

103.204.13.12/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 2 IPs have PTR ~

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

61/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 2 IP addresses in 103.204.13.12/31

Not announced as an exact prefix — covered by the announced supernet 103.204.13.0/24.

Announced prefix
Origin AS
⚠ 3 origins (MOAS)
Announcement samples
5,289
Last seen
2026-07-24 09:12:55

Frequently Asked Questions

What is 103.204.13.12/31?

103.204.13.12/31 is a CIDR network block containing 2 IPv4 addresses (from 103.204.13.12 to 103.204.13.13). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 103.204.13.12/31 network?

The 103.204.13.12/31 range is allocated to Cloudflare London, LLC and announced via AS209242 from Singapore.

How many IP addresses are in 103.204.13.12/31?

103.204.13.12/31 contains exactly 2 usable IPv4 addresses. A /31 prefix length means 2 addresses are covered by this single routing entry.

Last updated: 2026-07-24 09:25:32 UTC
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