AS197451 Brno University of Technology 🇨🇿 CZ
Announcing 12 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
67,584 (264 × /24)
IPv6 prefixes
4
13 × /32
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
13
ASes reachable through it
Registry and operator data
- AS number
- AS197451
- Name
- Brno University of Technology
- Organisation
- Brno University of Technology
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2010-12-08
- Network type
- Educational/Research
- Traffic levels
- 1-5Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-VUTBR
- Website
- http://www.vutbr.cz
- PeeringDB
- net/6654
- Exchanges
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
12 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 147.229.0.0/17 v4 | RPKI valid | 43 | 345492852197451 | 2026-09-18 |
| 147.229.128.0/18 v4 | RPKI valid | 43 | 345492852197451 | 2026-09-18 |
| 147.229.192.0/19 v4 | RPKI valid | 43 | 345492852197451 | 2026-09-18 |
| 147.229.224.0/19 v4 | RPKI valid | 43 | 2448216019197451 | 2026-09-18 |
| 185.62.108.0/23 v4 | RPKI valid | 43 | 2448216019197451 | 2026-09-18 |
| 185.149.204.0/22 v4 | no ROA | 43 | 2448216019197451 | 2026-09-18 |
| 185.149.204.0/24 v4 | no ROA | 43 | 2448216019197451 | 2026-09-18 |
| 185.149.205.0/24 v4 | no ROA | 43 | 2448216019197451 | 2026-09-18 |
| 2001:67c:1220::/46 v6 | RPKI valid | 37 | 345492852197451 | 2026-09-18 |
| 2a03:2e0::/32 v6 | RPKI valid | 35 | 2448215935197451 | 2026-09-18 |
| 2a03:2e4::/30 v6 | RPKI valid | 38 | 345492852197451 | 2026-09-18 |
| 2a07:6bc0::/29 v6 | no ROA | 35 | 2448215935197451 | 2026-09-18 |