AS42763 FPUH Czajen Krzysztof Czaja 🇵🇱 PL
Announcing 17 prefixes, seen at the RIS collectors.
IPv4 prefixes
17
7,168 (28 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS42763
- Name
- FPUH Czajen Krzysztof Czaja
- Organisation
- Czajen
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2007-04-12
- Network type
- Cable/DSL/ISP
- Traffic levels
- 20-50Gbps
- Scope
- Regional
- Peering policy
- Open
- Website
- https://czajen.pl
- PeeringDB
- net/26394
- Exchanges
- 2
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
17 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 77.87.0.0/21 v4 | RPKI valid | 42 | 345491291242763 | 2026-09-18 |
| 77.87.0.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.1.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.2.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.3.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.4.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.5.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.6.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 77.87.7.0/24 v4 | RPKI valid | 42 | 2448220252042763 | 2026-09-18 |
| 91.193.120.0/22 v4 | RPKI valid | 42 | 345491291242763 | 2026-09-18 |
| 91.193.120.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 91.193.121.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 91.193.122.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 91.193.123.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 193.33.174.0/23 v4 | RPKI valid | 42 | 345491291242763 | 2026-09-18 |
| 193.33.174.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |
| 193.33.175.0/24 v4 | RPKI valid | 43 | 2448242763 | 2026-09-18 |