Network · data from 2026-11-12
AS24971 MasterDC
Registry name: MASTER-AS MasterDC s.r.o., CZ · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS24971, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 83.223.52.0/24 | No ROA | RIR databaseRIPE | 673 100% |
| 5.180.200.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 37.140.220.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 37.205.8.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 37.205.12.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 77.93.192.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 80.79.16.0/20 | Valid | RIR databaseRIPE | 673 100% |
| 81.31.32.0/20 | Valid | RIR databaseRIPE | 673 100% |
| 83.167.224.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 85.118.128.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 89.185.224.0/19 | Valid | RIR databaseRIPE | 673 100% |
| 91.213.160.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 91.214.192.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 91.216.179.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 91.226.216.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 92.63.56.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 130.193.16.0/24 | Valid | RIR databaseRIPE | 673 100% |
| 149.62.144.0/21 | Valid | RIR databaseRIPE | 673 100% |
| 176.227.168.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 178.238.32.0/20 | Valid | RIR databaseRIPE | 673 100% |
| 185.8.164.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 185.8.166.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 185.25.184.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.32.160.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.58.40.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.85.164.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.145.160.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 185.239.216.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 188.213.234.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 188.215.18.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 193.169.160.0/23 | Valid | RIR databaseRIPE | 673 100% |
| 194.145.180.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 195.140.252.0/22 | Valid | RIR databaseRIPE | 673 100% |
| 2001:678:a50::/48 | Valid | RIR databaseRIPE | 636 100% |
| 2001:67c:68::/48 | Valid | RIR databaseRIPE | 636 100% |
| 2a00:8220::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2a00:a5a0::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2a01:430::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2a03:3b40::/40 | Valid | RIR databaseRIPE | 636 100% |
| 2a03:3b40:100::/40 | Valid | RIR databaseRIPE | 636 100% |
| 2a03:3b40:200::/39 | Valid | RIR databaseRIPE | 636 100% |
| 2a03:7460::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2a04:16c0:200::/48 | Valid | RIR databaseRIPE | 636 100% |
| 2a0b:3240::/32 | Valid | RIR databaseRIPE | 636 100% |
| 2a07:4880::/29 | Valid | RIR databaseRIPE | 635 100% |
| 2a0c:6380::/29 | Valid | RIR databaseRIPE | 635 100% |
AS-SET
PeeringDB's irr_as_set for AS24971: AS24971:AS-MASTERCZ. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS24971 isn't in the set, or no route object for AS24971 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.
| Name | Database | ASNs | Sets | AS24971 in it | Not covered |
|---|---|---|---|---|---|
| AS24971:AS-MASTERCZ | RIPE | 23 | 3 | Yes | 0 |
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 9 are in fix.csv.
- ROA: none1
- Route object: not announced8
| Change | Prefix or set | Detail |
|---|---|---|
| ROA: none | 83.223.52.0/24 | No ROA covers it. Add a ROA for AS24971, maxLength 24. |
Route objects not announced
Route objects with origin AS24971 whose prefix no peer sees AS24971 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 83.167.245.0/24 | RIPE | Invalid: maxLength |
| 91.226.216.0/23 | RIPE | Invalid: maxLength |
| 91.226.218.0/24 | RIPE | Invalid: maxLength |
| 92.63.56.0/22 | RIPE | Valid |
| 92.63.58.0/24 | RIPE | Valid |
| 92.63.59.0/24 | RIPE | Valid |
| 185.32.160.0/24 | RIPE | Valid |
| 2001:67c:2d30::/48 | RIPE | Invalid: origin |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.