AS197451
Brno University of Technology
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 →
About Brno University of Technology
Brno University of Technology is a university in Brno, Czech Republic. It was founded in 1899, and initially offered a single course in civil engineering, then grew to become a major technical Czech university with over 18,000 students enrolled at 8 faculties and 2 university institutes.
Network profile
Source: PeeringDB →Present at 1 internet exchange: BR-IX: PEER
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 147.229.0.0/17 | 32.8K |
23.2%
|
Brno University of Technology | CZ | South Moravian | Bílovice nad Svitavou |
| 147.229.128.0/18 | 16.4K |
34.1%
|
Brno University of Technology | CZ | South Moravian | Brno |
| 147.229.192.0/19 | 8.2K |
9.9%
|
Brno University of Technology | CZ | Prague | Prague |
| 147.229.224.0/20 | 4.1K |
0.0%
|
Brno University of Technology | CZ | — | — |
| 147.229.240.0/21 | 2.0K |
2.9%
|
Brno University of Technology | CZ | — | — |
| 147.229.248.0/22 | 1.0K |
0.1%
|
Brno University of Technology | CZ | — | — |
| 185.149.204.0/22 | 1.0K |
24.8%
|
Brno University of Technology | CZ | — | — |
| 147.229.252.0/23 | 512 |
26.2%
|
Brno University of Technology | CZ | — | — |
| 185.62.108.0/23 | 512 |
63.1%
|
Brno University of Technology | CZ | South Moravian | Brno |
| 147.229.254.0/24 | 256 |
6.3%
|
Brno University of Technology | CZ | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS197451 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 |
|---|---|---|
| 147.229.224.0/19 | 257,446 | 2026-07-23 16:49:38 |
| 185.149.204.0/24 | 127,688 | 2026-07-23 16:49:38 |
| 185.149.205.0/24 | 126,387 | 2026-07-23 16:49:38 |
| 185.149.204.0/22 | 106,002 | 2026-07-23 16:49:03 |
| 185.62.108.0/23 | 78,700 | 2026-07-23 16:49:03 |
| 147.229.192.0/19 | 6,473 | 2026-07-23 16:18:30 |
| 147.229.0.0/17 | 6,354 | 2026-07-23 16:20:44 |
| 147.229.128.0/18 | 6,326 | 2026-07-23 16:20:44 |
Frequently Asked Questions
What is AS197451?
AS197451 is an Autonomous System Number assigned to Brno University of Technology. 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 AS197451 announce?
AS197451 announces 66.8K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Czechia.
Who operates AS197451?
AS197451 is operated by Brno University of Technology. The organization is based in Czechia. You can view all IP ranges and related ASNs on the organization page.
What country is AS197451 registered in?
AS197451 is registered in Czechia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
