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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.73.104.0/21 | 2.0K |
100.0%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Karlovy Vary |
| 5.183.12.0/22 | 1.0K |
99.7%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Nová Role |
| 94.138.116.0/22 | 1.0K |
100.0%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Karlovy Vary |
| 94.138.120.0/22 | 1.0K |
100.0%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Karlovy Vary |
| 185.73.100.0/22 | 1.0K |
99.8%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Merklín |
| 185.167.184.0/22 | 1.0K |
99.5%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Merklín |
| 77.104.194.0/24 | 256 |
100.0%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Sokolov |
| 77.104.210.0/24 | 256 |
100.0%
|
ISP Alliance a.s. | CZ | — | — |
| 77.104.216.0/24 | 256 |
100.0%
|
ISP Alliance a.s. | CZ | — | — |
| 77.104.223.0/24 | 256 |
100.0%
|
ISP Alliance a.s. | CZ | — | — |
| 77.104.240.0/24 | 256 |
99.6%
|
ISP Alliance a.s. | CZ | — | — |
| 77.104.245.0/24 | 256 |
100.0%
|
ISP Alliance a.s. | CZ | Carlsbad Region | Sokolov |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS201476 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 |
|---|---|---|
| 5.183.12.0/22 | 24,208 | 2026-11-08 14:42:39 |
| 77.104.245.0/24 | 24,074 | 2026-11-08 14:42:41 |
| 77.104.194.0/24 | 23,279 | 2026-11-08 14:42:26 |
| 94.138.120.0/22 | 23,246 | 2026-11-08 14:42:28 |
| 94.138.116.0/22 | 23,203 | 2026-11-08 14:42:18 |
| 77.104.223.0/24 | 23,198 | 2026-11-08 14:42:30 |
| 77.104.240.0/24 | 23,192 | 2026-11-08 14:42:44 |
| 77.104.216.0/24 | 23,166 | 2026-11-08 14:42:38 |
| 77.104.210.0/24 | 23,087 | 2026-11-08 14:42:40 |
| 185.73.100.0/22 | 22,603 | 2026-11-08 14:42:27 |
| 185.73.104.0/22 | 22,300 | 2026-11-08 14:42:45 |
| 185.167.184.0/22 | 22,254 | 2026-11-08 14:42:36 |
| 185.73.108.0/22 | 22,234 | 2026-11-08 14:42:48 |
| 5.183.15.0/24 | 1 | 2026-10-26 19:40:45 |
Frequently Asked Questions
What is AS201476?
AS201476 is an Autonomous System Number assigned to ISP Alliance a.s.. 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 AS201476 announce?
AS201476 announces 8.7K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS201476?
AS201476 is operated by ISP Alliance a.s.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS201476 registered in?
AS201476 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
