AS24971 MasterDC s.r.o. 🇨🇿 CZ
Announcing 46 prefixes, seen at the RIS collectors.
IPv4 prefixes
33
58,880 (230 × /24)
IPv6 prefixes
13
21 × /32
Upstreams
2
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
18
ASes reachable through it
Registry and operator data
- AS number
- AS24971
- Name
- MasterDC s.r.o.
- Organisation
- MasterDC
- Country
- 🇨🇿 CZ
- RIR
- RIPENCC
- Allocated
- 2002-06-11
- Network type
- Content
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS24971:AS-MASTERCZ
- Website
- https://www.master.cz
- Looking glass
- https://lg.masterinter.net
- PeeringDB
- net/2107
- Exchanges
- 5
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
46 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 5.180.200.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 37.140.220.0/24 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 37.205.8.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 37.205.12.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 77.93.192.0/19 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 80.79.16.0/20 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 81.31.32.0/20 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 83.167.224.0/19 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 83.223.52.0/24 v4 | no ROA | 42 | 3772124971 | 2026-09-18 |
| 85.118.128.0/21 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 89.185.224.0/19 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 91.213.160.0/24 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 91.214.192.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 91.216.179.0/24 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 91.226.216.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 92.63.56.0/24 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 130.193.16.0/24 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 149.62.144.0/21 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 176.227.168.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 178.238.32.0/20 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.8.164.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.8.166.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.25.184.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.32.160.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.58.40.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.85.164.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.145.160.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 185.239.216.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 188.213.234.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 188.215.18.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 193.169.160.0/23 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 194.145.180.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 195.140.252.0/22 v4 | RPKI valid | 42 | 3772124971 | 2026-09-18 |
| 2001:678:a50::/48 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2001:67c:68::/48 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2a00:8220::/32 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a00:a5a0::/32 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a01:430::/32 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a03:3b40::/40 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2a03:3b40:100::/40 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2a03:3b40:200::/39 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2a03:7460::/32 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a04:16c0:200::/48 v6 | RPKI valid | 35 | 2448224971 | 2026-09-18 |
| 2a07:4880::/29 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a0b:3240::/32 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |
| 2a0c:6380::/29 v6 | RPKI valid | 35 | 3772124971 | 2026-09-18 |