Data as of Nov 12, 2026

192.131.254.0/24

No anonymizer space · no proxy exits in 30 days

Microsoft Corporation · space held by University of Massachusetts Dartmouth

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
192.131.254.0/24256PHYUniversity of Massachusetts Dartmouth (UMD) · USDirect AllocationNov 1, 1991rpacheco@umassd.edu
└ 192.131.254.0/24256AZURE-SUBNETUniversity of Massachusetts Dartmouth (C10757828) · USReassignedMar 12, 2024rpacheco@umassd.edu
via PHY

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Mar 2024
Current origin since
Mar 2024 · 2.7 yr
Origin networks
1