Data as of Nov 10, 2026

91.237.138.0/23

No anonymizer space · no proxy exits in 30 days

Urzad Miasta Stolecznego Warszawa

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
91.237.138.0/24
since Dec 2023
AS34891BusinessUrzad Miasta Stolecznego Warszawa
91.237.139.0/24
since Dec 2023
AS34891BusinessUrzad Miasta Stolecznego Warszawa

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jul 2012
Current origin since
Jul 2012 · 14 yr
Origin networks
1