AS25084 Czestman-Com

Poland CZESTMAN-COM-AS RIPE 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

1,536

IPv6 /48 networks

65,536

RPKI

3 valid0 no ROA

Peers and downstreams

Holder

AS name: CZESTMAN-COM-AS
Description: Non-academic AS dedicated to Metropolitan Area Network CzestMAN, Czestochowa University of Technology Czestochowa, POLAND
Organisation: Politechnika Czestochowska
Registered in: Częstochowa, Poland
Abuse contact: abuse@man.pcz.pl
Assigned: 2002-07-21
Registered: 2002-07-22
Record last changed: 2025-03-16 13:05 UTC

212.87.240.0/23 212.87.244.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 3 of 3 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@man.pcz.pl is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2025-03-16.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/25084"><img src="https://ip-fd.net/badge/asn/25084/health.svg" alt="AS25084 network health on IP-FD.net"></a>

Markdown

[![AS25084 network health](https://ip-fd.net/badge/asn/25084/health.svg)](https://ip-fd.net/asn/25084)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-05 08:59 UTC	Relationship changed	AS6204	upstream to peer
2026-10-05 08:59 UTC	New neighbour	AS33891	peer
2026-10-05 08:59 UTC	New neighbour	AS264409	peer
2026-10-05 08:59 UTC	New neighbour	AS22356	peer
2026-10-05 08:59 UTC	Relationship changed	AS201054	upstream to peer
2026-10-05 08:59 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS25084
org:            ORG-PC2-RIPE
as-name:        CZESTMAN-COM-AS
descr:          Non-academic AS dedicated to Metropolitan Area Network
descr:          CzestMAN, Czestochowa University of Technology
descr:          Czestochowa, POLAND
remarks:        CzestMAN's COM PEERS
admin-c:        WR1082-RIPE
tech-c:         CZ512-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         PL-CZESTMAN-MNT
created:        2002-07-22T14:48:57Z
last-modified:  2025-03-16T13:05:04Z
source:         RIPE
% 34 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/25084

const res = await fetch('https://ip-fd.net/api/v1/asn/25084', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/25084', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/25084');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/25084", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS5617	Tpnet TPNET
AS6939	Hurricane Electric LLC HURRICANE
AS13293	Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center PIONIER-AS-COM
AS196844	Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center PIONIER-AS-ams-ix

AS15373	Czestman CZESTMAN-AS
AS41056	APUS Piotr Sejfried APUS-AS
AS44454	Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca" CSMNP-AS
AS196730	TELSAT.TV Sp. z o.o. TELSAT
AS200272	x-kom sp. z o.o. X-KOM
AS202667	Klasztor OO Paulinow Jasna Gora KJG-AS-PL
AS206241	STOWARZYSZENIE DO SPRAW ROZWOJU SPOLECZENSTWA INFORMACYJNEGO SUBREGIONU POLNOCNEGO WOJEWODZTWA SLASKIEGO EREGION-AS-PL
AS209860	My Net Michal Bronczkowski MyNet-MB-PL-AS

AS6204	TMRC GROUP SRL ZET-NET
AS14840	BR.Digital Telecom AS14840
AS15373	Czestman CZESTMAN-AS
AS22356	Durand do Brasil Ltda AS22356
AS24482	SG.GS SGGS-AS-AP
AS28917	Fiord Networks, UAB Fiord-AS
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS49544	i3D.net B.V i3Dnet
AS198150	SIACOM JSC SIACOM-AS
AS201054	Stowarzyszenie e-Poludnie EPIX-PolMix
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS264409	Huge Solucoes Corporativas Ltda AS264409