AS8248
Computer Technology Institute and Press Diophantus
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 |
|---|---|---|---|---|---|---|
| 81.186.0.0/17 | 32.8K |
36.7%
|
Computer Technology Institute and Press Diophantus | GR | Peloponnese | Tyrós |
| 81.186.128.0/18 | 16.4K |
28.9%
|
Computer Technology Institute and Press Diophantus | GR | West Macedonia | Kastoria |
| 81.186.192.0/19 | 8.2K |
20.3%
|
Computer Technology Institute and Press Diophantus | GR | West Greece | Pátrai |
| 194.63.160.0/19 | 8.2K |
64.0%
|
Computer Technology Institute and Press Diophantus | GR | Attica | Zográfos |
| 194.63.192.0/19 | 8.2K |
49.0%
|
Computer Technology Institute and Press Diophantus | GR | Central Macedonia | Vergina |
| 194.63.224.0/20 | 4.1K |
42.2%
|
Computer Technology Institute and Press Diophantus | GR | Thessaly | Larissa |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8248 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 |
|---|---|---|
| 81.186.0.0/17 | 27,793 | 2026-07-23 17:19:51 |
| 194.63.160.0/19 | 10,727 | 2026-07-23 17:20:52 |
| 194.63.224.0/20 | 10,694 | 2026-07-23 17:20:52 |
| 81.186.128.0/18 | 10,679 | 2026-07-23 17:19:51 |
| 194.63.192.0/19 | 10,665 | 2026-07-23 17:20:52 |
| 81.186.192.0/19 | 10,629 | 2026-07-23 17:19:51 |
| 81.186.76.0/24 | 6,255 | 2026-07-23 10:30:44 |
| 194.63.235.0/24 | 5,925 | 2026-07-23 10:30:44 |
| 194.63.236.0/22 | 5,869 | 2026-07-23 10:30:44 |
| 81.186.75.0/24 | 5,767 | 2026-07-23 10:30:44 |
Frequently Asked Questions
What is AS8248?
AS8248 is an Autonomous System Number assigned to Computer Technology Institute and Press Diophantus. 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 AS8248 announce?
AS8248 announces 77.8K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Greece.
Who operates AS8248?
AS8248 is operated by Computer Technology Institute and Press Diophantus. The organization is based in Greece. You can view all IP ranges and related ASNs on the organization page.
What country is AS8248 registered in?
AS8248 is registered in Greece. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
