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CIDR Range

48.222.0.0/15

Addresses
131,072
131.1K
Sub-ranges
10+
within this block
PTR Density
0.0%
8 of 131.1K 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.

70/100
Moderate
How this score is built

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

Ranges inside 48.222.0.0/15

First and last addresses in 48.222.0.0/15

48.222.0.0/15 runs from 48.222.0.0 to 48.223.255.255.

First 16
Last 16

This block is announced in BGP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
9,400
Last seen
2026-11-02 14:24:14

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 New Allocation — GB

Frequently Asked Questions

What is 48.222.0.0/15?

48.222.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 48.222.0.0 to 48.223.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 48.222.0.0/15 network?

The 48.222.0.0/15 range is allocated to Microsoft Corporation and announced via AS8075.

Last updated: 2026-11-02 15:09:05 UTC
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