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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 95.81.174.0/24 | 256 |
2.3%
|
CMA CGM SA | FR | — | — |
| 193.109.119.0/24 | 256 |
19.9%
|
CMA CGM SA | FR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21203 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 |
|---|---|---|
| 193.109.119.0/24 | 5,815 | 2026-07-29 08:21:31 |
| 95.81.174.0/24 | 5,769 | 2026-07-29 08:21:31 |
Frequently Asked Questions
What is AS21203?
AS21203 is an Autonomous System Number assigned to CMA CGM SA. 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 AS21203 announce?
AS21203 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in France.
Who operates AS21203?
AS21203 is operated by CMA CGM SA. The organization is based in France. You can view all IP ranges and related ASNs on the organization page.
What country is AS21203 registered in?
AS21203 is registered in France. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
