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CIDR Range

113.38.11.172/31

Addresses
2
2
Sub-ranges
0+
within this block
PTR Density
100.0%
2 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.

76/100
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 113.38.11.172/31

Not announced as an exact prefix — covered by the announced supernet 113.32.0.0/13.

Announced prefix
Origin AS
Announcement samples
8,828
Last seen
2026-07-24 05:43:35

Frequently Asked Questions

What is 113.38.11.172/31?

113.38.11.172/31 is a CIDR network block containing 2 IPv4 addresses (from 113.38.11.172 to 113.38.11.173). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 113.38.11.172/31 network?

The 113.38.11.172/31 range is allocated to ARTERIA Networks Corporation and announced via AS17506 from Japan.

How many IP addresses are in 113.38.11.172/31?

113.38.11.172/31 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 06:10:32 UTC
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