Data as of Nov 12, 2026

157.206.0.0/16

No anonymizer space · no proxy exits in 30 days

Sanofi

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
>99% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
157.206.108.0/24
since Oct 2021
AS46887UnknownSanofi

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Business65,280>99%2
Unknown2560.39%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Apr 2008 · 19 yr
Origin networks
2
Last change of origin
Apr 2008
Recorded history

History

Handoffs
1