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CIDR Range

212.133.18.96/28

Addresses
16
16
Sub-ranges
4+
within this block
PTR Density
6.3%
1 of 16 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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Ranges inside 212.133.18.96/28

Geolocation

All 16 IP addresses in 212.133.18.96/28

Not announced as an exact prefix — covered by the announced supernet 212.133.0.0/17.

Announced prefix
Origin AS
Announcement samples
2,561
Last seen
2026-07-18 11:59:46

RIR Ownership History

Atom feed ⇲

Allocation changes captured weekly from regional internet registry (RIR) delegation files.

Date Event From To
2026-05-10 New Allocation GB

Frequently Asked Questions

What is 212.133.18.96/28?

212.133.18.96/28 is a CIDR network block containing 16 IPv4 addresses (from 212.133.18.96 to 212.133.18.111). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 212.133.18.96/28 network?

The 212.133.18.96/28 range is allocated to Level 3 Parent, LLC and announced via AS3356 from Ireland.

How many IP addresses are in 212.133.18.96/28?

212.133.18.96/28 contains exactly 16 usable IPv4 addresses. A /28 prefix length means 16 addresses are covered by this single routing entry.

Last updated: 2026-07-18 12:25:31 UTC
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