Politechnika Czestochowska
AS15373 is Politechnika Czestochowska (pcz.pl). It announces 4,608 IPv4 addresses in 7 prefixes, and 1 IPv6 prefixes.
Poland· RIPE· allocated 2000-06-07· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Poland4,608 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CZESTMAN-AS
- name
- Politechnika Czestochowska
- org
- ORG-PC2-RIPE
- org name
- Politechnika Czestochowska
- org address
- ul. Dabrowskiego 71, 42-200, Czestochowa, POLAND
- org country
- PL
- country
- PL
- source
- ripe
- status
- ASSIGNED
- updated
- 2018-09-04
- descr
- Academic AS dedicated to Metropolitan Area Network CzestMAN / Czestochowa University of Technology / Czestochowa, POLAND
- remarks
- CzestMAN's peers with CZESTMAN-edu
- maintainer
- RIPE-NCC-END-MNT|PL-CZESTMAN-MNT
- abuse name
- CzestMAN Operations
- abuse email
- abuse@man.pcz.pl
- abuse phone
- +48 34 3250317
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP1673.62%
- geonode, mangoproxy, proxyseller0.37%
- None here
- None here
- None here
- None here
- Hosting IP1,28027.78%
- None here
- None here
- None here
- SSH IP230.50%
- SMTP IP130.28%
- 0.15%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 212.87.224.0/21 | Poland | valid | 18 | 2026-10-02 |
| 212.87.232.0/23 | Poland | valid | 18 | 2026-10-02 |
| 212.87.234.0/23 | Poland | valid | 18 | 2026-10-02 |
| 212.87.236.0/23 | Poland | valid | 18 | 2026-10-02 |
| 212.87.238.0/23 | Poland | valid | 18 | 2026-10-02 |
| 212.87.251.0/24 | Poland | valid | 18 | 2026-10-02 |
| 212.87.253.0/24 | Poland | valid | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a01:698::/32 | Poland | valid | 19 | 2026-10-02 |
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