Data as of Nov 10, 2026

103.28.40.0/22

No anonymizer space · no proxy exits in 30 days

Campaign Monitor Pty Ltd

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
103.28.40.0/23
since Aug 2016
AS55819BusinessCampaign Monitor Pty Ltd
103.28.41.0/24
since Aug 2016
AS55819BusinessCampaign Monitor Pty Ltd
103.28.42.0/23
since Aug 2016
AS55819BusinessCampaign Monitor Pty Ltd

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jan 2012
Current origin since
Aug 2016 · 10 yr
Origin networks
2
Last change of origin
Aug 2016
Recorded history

History

Handoffs
1