AS55819
CAMPAIGN MONITOR PTY LTD
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: Equinix San Jose
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS55819 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 146.88.16.0/24 | 8,233 | 2026-07-24 13:54:05 |
| 146.88.16.0/23 | 5,797 | 2026-07-24 14:45:33 |
| 203.55.21.0/24 | 5,787 | 2026-07-24 14:45:31 |
| 103.28.40.0/22 | 5,787 | 2026-07-24 14:45:33 |
| 27.126.144.0/21 | 5,782 | 2026-07-24 14:45:33 |
| 205.166.177.0/24 | 5,771 | 2026-07-24 14:45:33 |
| 180.189.136.0/22 | 5,771 | 2026-07-24 14:45:33 |
| 146.88.28.0/24 | 5,770 | 2026-07-24 14:45:33 |
| 204.75.142.0/24 | 5,755 | 2026-07-24 14:45:33 |
| 203.55.138.0/24 | 5,751 | 2026-07-24 14:45:33 |
| 146.88.18.0/24 | 5,750 | 2026-07-24 14:45:33 |
| 216.99.201.0/24 | 5,749 | 2026-07-24 14:45:33 |
| 103.28.40.0/23 | 5,486 | 2026-07-24 14:45:33 |
| 103.28.42.0/23 | 5,458 | 2026-07-24 14:45:33 |
| 103.28.41.0/24 | 5,446 | 2026-07-24 14:45:33 |
| 146.88.17.0/24 | 5,146 | 2026-07-24 14:45:33 |
Frequently Asked Questions
What is AS55819?
AS55819 is an Autonomous System Number assigned to CAMPAIGN MONITOR PTY LTD. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS55819 announce?
AS55819 announces 6.4K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Australia.
Who operates AS55819?
AS55819 is operated by CAMPAIGN MONITOR PTY LTD. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.
What country is AS55819 registered in?
AS55819 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
