AS25084 Politechnika Czestochowska 🇵🇱 PL
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
1,536 (6 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
4
transit providers observed
Peers
3
settlement-free adjacencies
Downstreams
8
transit customers observed
Customer cone
9
ASes reachable through it
Registry and operator data
- AS number
- AS25084
- Name
- Politechnika Czestochowska
- Organisation
- Politechnika Czestochowska
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2002-07-22
- Network type
- Educational/Research
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- RIPE::AS25084:AS-PCZ-POPS
- Website
- http://pcz.pl/
- PeeringDB
- net/11726
- Exchanges
- 4
- 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 |
|---|---|---|---|---|---|
| AS201054 Stowarzyszenie e-Poludnie | 🇵🇱 PL | 18,900 | 0 | 1 | inferred |
| AS5617 Orange Polska Spolka Akcyjna | 🇵🇱 PL | 598 | 76 | 7 | CAIDA |
| AS196844 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center | 🇵🇱 PL | 218 | 3 | 245 | CAIDA |
| AS13293 Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center | 🇵🇱 PL | 203 | 5 | 160 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 55,309 | 236 | 89 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 27,074 | 1 | 15 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 19,297 | 45 | 17 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS15373 Politechnika Czestochowska | 🇵🇱 PL | 0 | 7 | 113 | CAIDA |
| AS202667 Klasztor OO Paulinow Jasna Gora | 🇵🇱 PL | 0 | 2 | 84 | CAIDA |
| AS44454 Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca" | 🇵🇱 PL | 0 | 3 | 63 | CAIDA |
| AS209860 My Net Michal Bronczkowski | 🇵🇱 PL | 0 | 2 | 56 | CAIDA |
| AS41056 APUS Piotr Sejfried | 🇵🇱 PL | 0 | 1 | 42 | CAIDA |
| AS200272 x-kom sp. z o.o. | 🇵🇱 PL | 0 | 2 | 34 | CAIDA |
| AS206241 STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO | 🇵🇱 PL | 0 | 1 | 19 | CAIDA |
| AS196730 TELSAT.TV Sp. z o.o. | 🇵🇱 PL | 0 | 6 | 6 | 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.