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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Countries served by Information System Authority
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by Information System Authority
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 195.80.96.0/19 | 8.2K |
13.0%
|
AS8240 | EE | Harjumaa | Tallinn |
| 213.184.32.0/19 | 8.2K |
9.2%
|
AS8240 | EE | Tartu | Tartu |
| 46.226.136.0/21 | 2.0K |
74.4%
|
AS56588 | EE | — | — |
| 185.161.84.0/22 | 1.0K |
0.0%
|
AS8240 | EE | — | — |
| 185.172.24.0/22 | 1.0K |
0.0%
|
AS8240 | EE | — | — |
Frequently Asked Questions
How many IP addresses does Information System Authority own?
Information System Authority controls 20.5K IPv4 addresses distributed across 5 CIDR ranges. The organization is registered in Estonia.
What ASNs does Information System Authority operate?
Information System Authority operates 2 Autonomous Systems. Each ASN represents an independently routed network that Information System Authority manages for internet traffic delivery.
What type of organization is Information System Authority?
Information System Authority is categorized as unknown. This classification is based on the organization's primary use of its IP address allocations.
