AS8643
National And Kapodistrian University Of Athens
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
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 88.197.0.0/17 | 32.8K |
1.6%
|
National And Kapodistrian University Of Athens | GR | Attica | Nea Ionia |
| 195.134.64.0/18 | 16.4K |
5.9%
|
National And Kapodistrian University Of Athens | GR | Attica | Athens |
| 87.239.232.0/21 | 2.0K |
0.0%
|
National And Kapodistrian University Of Athens | GR | — | — |
| 195.130.64.0/23 | 512 |
0.0%
|
National And Kapodistrian University Of Athens | GR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8643 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 |
|---|---|---|
| 195.134.64.0/18 | 9,641 | 2026-07-18 12:00:17 |
| 88.197.0.0/17 | 9,624 | 2026-07-18 12:00:17 |
| 87.239.232.0/21 | 9,551 | 2026-07-18 12:00:17 |
| 195.130.64.0/23 | 9,537 | 2026-07-18 12:00:17 |
Frequently Asked Questions
What is AS8643?
AS8643 is an Autonomous System Number assigned to National And Kapodistrian University Of Athens. 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 AS8643 announce?
AS8643 announces 51.7K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Greece.
Who operates AS8643?
AS8643 is operated by National And Kapodistrian University Of Athens. The organization is based in Greece. You can view all IP ranges and related ASNs on the organization page.
What country is AS8643 registered in?
AS8643 is registered in Greece. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
