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CIDR Range

86.42.51.4/30

Addresses
4
4
Sub-ranges
0+
within this block
PTR Density
100.0%
4 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.

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 4 IP addresses in 86.42.51.4/30

Not announced as an exact prefix — covered by the announced supernet 86.40.0.0/13.

Announced prefix
Origin AS
Announcement samples
5,100
Last seen
2026-07-30 10:53:45

Frequently Asked Questions

What is 86.42.51.4/30?

86.42.51.4/30 is a CIDR network block containing 4 IPv4 addresses (from 86.42.51.4 to 86.42.51.7). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 86.42.51.4/30 network?

The 86.42.51.4/30 range is allocated to Eir Broadband and announced via AS5466 from Ireland.

How many IP addresses are in 86.42.51.4/30?

86.42.51.4/30 contains exactly 4 usable IPv4 addresses. A /30 prefix length means 4 addresses are covered by this single routing entry.

Last updated: 2026-07-30 10:55:32 UTC
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