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CIDR Range

58.138.97.12/30

Addresses
4
4
Sub-ranges
0+
within this block
PTR Density
75.0%
3 of 4 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.

81/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 4 IP addresses in 58.138.97.12/30

Not announced as an exact prefix — covered by the announced supernet 58.138.0.0/17.

Announced prefix
Origin AS
Announcement samples
13,791
Last seen
2026-11-12 06:29:12

Frequently Asked Questions

What is 58.138.97.12/30?

58.138.97.12/30 is a CIDR network block containing 4 IPv4 addresses (from 58.138.97.12 to 58.138.97.15). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 58.138.97.12/30 network?

The 58.138.97.12/30 range is allocated to Internet Initiative Japan Inc. and announced via AS2497 from Japan.

How many IP addresses are in 58.138.97.12/30?

58.138.97.12/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.

Last updated: 2026-11-12 07:24:05 UTC
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