Data as of Nov 13, 2026

157.229.0.0/16

No anonymizer space · no proxy exits in 30 days

UPMC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
157.229.190.0/24
since Sep 2025
AS394612BusinessUPMC

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
157.229.0.0/1665,536UPMC-157-229-0-0-16UPMC (UPMC-Z) · USDirect AllocationJan 31, 1992infosecabuse@upmc.edu
└ 157.229.190.0/24256UPMC-157-229-190-0-24UPMC (C11340770) · USReassignedSep 3, 2025infosecabuse@upmc.edu
via UPMC-157-229-0-0-16

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
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1