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CIDR Range

150.204.0.0/18

Addresses
16,384
16.4K
Sub-ranges
3+
within this block
PTR Density
0.9%
145 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.

82/100
Trusted
How this score is built

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

Ranges inside 150.204.0.0/18

First and last addresses in 150.204.0.0/18

150.204.0.0/18 runs from 150.204.0.0 to 150.204.63.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 150.204.0.0/16.

Announced prefix
Origin AS
Announcement samples
77,886
Last seen
2026-11-13 07:21:51

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 apnic ripe

Frequently Asked Questions

What is 150.204.0.0/18?

150.204.0.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 150.204.0.0 to 150.204.63.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 150.204.0.0/18 network?

The 150.204.0.0/18 range is allocated to Jisc Services Limited and announced via AS786 from United Kingdom.

Last updated: 2026-11-13 07:39:05 UTC
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