Data as of Nov 14, 2026

148.168.0.0/16

No anonymizer space · no proxy exits in 30 days

Pfizer Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeHolderRPKI
148.168.32.0/19
since May 2005
AS11971BusinessPfizer Inc.
148.168.35.0/24
since Oct 2025
AS11971BusinessPfizer Inc.
148.168.64.0/24
since Sep 2019
AS7068BusinessPfizer Inc.
148.168.76.0/23
since May 2012
AS7068BusinessPfizer Inc.
148.168.76.0/24
since May 2012
AS7068BusinessPfizer Inc.
148.168.77.0/24
since Jul 2025
AS7068BusinessPfizer Inc.
148.168.80.0/23
since Dec 2016
AS7068BusinessPfizer Inc.
148.168.82.0/23
since Jul 2018
AS7068BusinessPfizer Inc.
148.168.96.0/19
since May 2005
AS7068BusinessPfizer Inc.
148.168.96.0/24
since Apr 2012
AS7068BusinessPfizer Inc.
148.168.99.0/24
since Mar 2015
AS7068BusinessPfizer Inc.
148.168.100.0/23
since May 2005
AS7068BusinessPfizer Inc.
148.168.102.0/23
since Jun 2012
AS7068BusinessPfizer Inc.
148.168.104.0/23
since Oct 10, 2026
AS7068BusinessPfizer Inc.
148.168.192.0/22
since Sep 2017
AS11971BusinessPfizer Inc.
148.168.192.0/23
since Nov 2025
AS11971BusinessPfizer Inc.
148.168.216.0/23
since Jun 2014
AS36393BusinessPfizer Inc.
148.168.224.0/22
since May 2005
AS11971BusinessPfizer Inc.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Aug 2016 · 10 yr
Origin networks
2
Last change of origin
Aug 2016
Recorded history

History

Handoffs
2
Also announced by
11971