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CIDR Range

129.241.128.0/18

Addresses
16,384
16.4K
Sub-ranges
0+
within this block
PTR Density
38.4%
6.3K of 16.4K 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.

80/100
Trusted
How this score is built

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

Geolocation

First and last addresses in 129.241.128.0/18

129.241.128.0/18 runs from 129.241.128.0 to 129.241.191.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 129.240.0.0/15.

Announced prefix
Origin AS
Announcement samples
18,401
Last seen
2026-11-14 12:10:23

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 RIR Transfer arin ripe

Frequently Asked Questions

What is 129.241.128.0/18?

129.241.128.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 129.241.128.0 to 129.241.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 129.241.128.0/18 network?

The 129.241.128.0/18 range is allocated to Kunnskapssektorens Tjenesteleverandor and announced via AS224 from Norway.

Last updated: 2026-11-14 13:39:05 UTC
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