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 |
|---|---|---|---|---|---|---|
| 192.40.72.0/22 | 1.0K |
0.0%
|
Kemira Oyj | FI | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS5420 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 |
|---|---|---|
| 192.40.72.0/24 | 4,833 | 2026-08-05 09:53:50 |
| 192.40.74.0/24 | 4,376 | 2026-08-05 10:30:29 |
| 192.40.75.0/24 | 4,344 | 2026-08-05 10:30:29 |
| 192.40.73.0/24 | 4,322 | 2026-08-05 10:30:29 |
Frequently Asked Questions
What is AS5420?
AS5420 is an Autonomous System Number assigned to Kemira Oyj. 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 AS5420 announce?
AS5420 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Finland.
Who operates AS5420?
AS5420 is operated by Kemira Oyj. The organization is based in Finland. You can view all IP ranges and related ASNs on the organization page.
What country is AS5420 registered in?
AS5420 is registered in Finland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
