Data as of Nov 13, 2026

155.91.152.0/21

No anonymizer space · no proxy exits in 30 days

Merck and Co., Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
155.91.152.0/22
since Feb 2021
AS7054BusinessMerck and Co., Inc.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Oct 2021
Current origin since
Oct 2021 · 5.1 yr
Origin networks
1