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 →
About Neutral czFree eXchange
Czech internet exchange point.
Network profile
Source: PeeringDB →Present at 1 internet exchange: NIX.CZ: Public peering VLAN
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 31.47.96.0/20 | 4.1K |
29.0%
|
FreeTel, s.r.o. | CZ | Prague | Praha 13 |
| 78.108.96.0/20 | 4.1K |
74.6%
|
FreeTel, s.r.o. | CZ | Central Bohemia | Čelákovice |
| 81.201.48.0/20 | 4.1K |
70.6%
|
FreeTel, s.r.o. | CZ | Central Bohemia | Kladno |
| 212.79.96.0/20 | 4.1K |
33.3%
|
FreeTel, s.r.o. | CZ | Central Bohemia | Kladno |
| 185.99.64.0/22 | 1.0K |
25.9%
|
FreeTel, s.r.o. | CZ | Olomouc Region | Zábřeh |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS8251 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 |
|---|---|---|
| 81.201.56.0/21 | 263,540 | 2026-07-23 20:53:16 |
| 31.47.96.0/20 | 263,329 | 2026-07-23 20:53:16 |
| 78.108.96.0/20 | 10,228 | 2026-07-23 21:00:46 |
| 81.201.48.0/21 | 9,419 | 2026-07-23 20:54:36 |
| 212.79.96.0/20 | 9,160 | 2026-07-23 20:54:36 |
| 185.99.64.0/22 | 8,342 | 2026-07-23 20:54:36 |
Frequently Asked Questions
What is AS8251?
AS8251 is an Autonomous System Number assigned to FreeTel, s.r.o.. 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 AS8251 announce?
AS8251 announces 17.4K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS8251?
AS8251 is operated by FreeTel, s.r.o.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS8251 registered in?
AS8251 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
