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
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS12912 T-Mobile Polska S.A. | 🇵🇱 PL | 411 | 48 | 554 | CAIDA |
| AS202520 SkyPass Solutions Sp. z o.o. | 🇵🇱 PL | 19 | 11 | 67 | CAIDA |
| AS198424 HLG Internet Sp. z o.o. | 🇵🇱 PL | 3 | 6 | 41 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 56,591 | 236 | 112 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 20,764 | 45 | 12 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS43326 Fundacja Nasza Wizja | 🇵🇱 PL | 0 | 1 | 42 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.