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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 81.90.240.0/20 | 4.1K |
99.3%
|
ABAK, Co.Ltd. | CZ | Central Bohemia | Květnice |
| 84.246.160.0/21 | 2.0K |
90.6%
|
ABAK, Co.Ltd. | CZ | Central Bohemia | Úvaly |
| 45.11.132.0/22 | 1.0K |
0.0%
|
ABAK, Co.Ltd. | CZ | — | — |
| 45.14.156.0/22 | 1.0K |
0.0%
|
ABAK, Co.Ltd. | CZ | — | — |
| 45.83.212.0/22 | 1.0K |
0.0%
|
ABAK, Co.Ltd. | CZ | — | — |
| 45.87.12.0/22 | 1.0K |
0.0%
|
ABAK, Co.Ltd. | CZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS39761 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 |
|---|---|---|
| 45.83.212.0/22 | 6,979 | 2026-07-31 02:28:11 |
| 45.14.156.0/22 | 6,908 | 2026-07-31 02:28:11 |
| 45.87.12.0/22 | 6,816 | 2026-07-31 02:28:11 |
| 45.11.132.0/22 | 6,809 | 2026-07-31 02:28:11 |
| 84.246.160.0/21 | 6,571 | 2026-07-31 02:28:11 |
| 81.90.240.0/20 | 6,339 | 2026-07-31 02:28:11 |
Frequently Asked Questions
What is AS39761?
AS39761 is an Autonomous System Number assigned to ABAK, Co.Ltd.. 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 AS39761 announce?
AS39761 announces 10.2K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS39761?
AS39761 is operated by ABAK, Co.Ltd.. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS39761 registered in?
AS39761 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
