Data as of Nov 10, 2026
103.28.40.0/23
No anonymizer space · no proxy exits in 30 daysCampaign Monitor Pty Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.28.40.0/22 since Aug 2016 | AS55819 | Business | Campaign Monitor Pty Ltd |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.28.41.0/24 since Aug 2016 | AS55819 | Business | Campaign Monitor Pty Ltd |
Network & registry
Origin network
AS55819
AU
- Name
- Campaign Monitor Pty Ltd
- Type
- Business
- Registered
- Oct 18, 2010
- Domain
- campaignmonitor.com
- Website
- www.campaignmonitor.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2014
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 103.
28. 40. 0/ 22 - Netname
- CAMPAIGNMONITOR-AU
- Registrant
- Campaign Monitor Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 21, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Dec 16, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
campaignmonitor. com - Name
- ABUSE CAMPAIGNAU
- Handle
- AC2179-AP