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 →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 195.22.138.0/23 | 512 |
0.0%
|
DNS-Belgium VZW | BE | — | — |
| 193.109.126.0/24 | 256 |
0.0%
|
DNS-Belgium VZW | BE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS21239 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 |
|---|---|---|
| 193.109.126.0/24 | 9,868 | 2026-08-03 12:12:40 |
| 195.22.138.0/24 | 9,793 | 2026-08-03 12:12:40 |
| 195.22.139.0/24 | 9,681 | 2026-08-03 12:12:40 |
Frequently Asked Questions
What is AS21239?
AS21239 is an Autonomous System Number assigned to DNS-Belgium VZW. 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 AS21239 announce?
AS21239 announces 768 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Belgium.
Who operates AS21239?
AS21239 is operated by DNS-Belgium VZW. The organization is based in Belgium. You can view all IP ranges and related ASNs on the organization page.
What country is AS21239 registered in?
AS21239 is registered in Belgium. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
