AS8323 Academic Computer Centre CYFRONET AGH

Poland CYFRONET-AS2 RIPE 5 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

57,856

IPv6 /48 networks

524,288

RPKI

5 valid2 no ROA

Peers and downstreams

Holder

AS name: CYFRONET-AS2
Description: Metropolitan Area Network Autonomous System Academic Computer Centre, CYFRONET ul. Nawojki 11, 30-950 Krakow
Organisation: Academic Computer Centre CYFRONET AGH
Registered in: Kraków, Poland
Abuse contact: abuse@cyfronet.pl
Assigned: 1997-05-28
Registered: 2001-10-29
Record last changed: 2017-11-15 09:16 UTC

193.193.64.0/19 194.8.45.0/24 194.8.46.0/24 195.150.0.0/17 195.150.128.0/18

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 78/100

partly	Prefixes covered by valid ROAs 5 of 7 announced prefixes are RPKI valid, 2 have no ROA.	18/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@cyfronet.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
fail	Registry record maintained Last changed 2017-11-15.	0/5

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/8323"><img src="https://ip-fd.net/badge/asn/8323/health.svg" alt="AS8323 network health on IP-FD.net"></a>

Markdown

[![AS8323 network health](https://ip-fd.net/badge/asn/8323/health.svg)](https://ip-fd.net/asn/8323)

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

Routing changes

Last 30 days

2026-10-04 11:28 UTC	New neighbour	AS264409	peer
2026-10-04 11:28 UTC	Relationship changed	AS24748	upstream to peer
2026-10-04 11:28 UTC	New neighbour	AS22356	peer
2026-10-04 11:28 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS8323
as-name:        CYFRONET-AS2
org:            ORG-ACCC1-RIPE
descr:          Metropolitan Area Network Autonomous System
descr:          Academic Computer Centre, CYFRONET
descr:          ul. Nawojki 11, 30-950 Krakow
remarks:        
remarks:        
remarks:        
remarks:        
admin-c:        JP65-RIPE
tech-c:         JP65-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8323-MNT
created:        2001-10-29T14:12:07Z
last-modified:  2017-11-15T09:16:26Z
source:         RIPE
% 18 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/8323

const res = await fetch('https://ip-fd.net/api/v1/asn/8323', {
  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/8323', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/8323');
curl_setopt($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/8323", 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.

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

AS8267	Academic Computer Centre CYFRONET AGH CYFRONET-AS
AS12990	Ringier Axel Springer Polska Sp. z o.o. ONET-PL-AS1
AS16138	Interia.pl Sp z.o.o. INTERIAPL
AS20898	Trigon Dom Maklerski SA PENET
AS28815	Lerkins Group Sp. z o. o. LERKINS-MNT
AS29593	WOJCIECH LOREK ENDOR COMPUTERS ENDOR-AS
AS56682	Interia.pl Sp z.o.o. INTERIAPL-AS2
AS57889	MAXSERWIS Sp.zo.o. MAXSERWIS-AS
AS58350	PHU Classcom Sp. z o.o. CLASSCOM-AS
AS197527	Miejskie Przedsiebiorstwo Komunikacyjne SA w Krakowie MPKSA-AS
AS203890	Krakowski Park Technologiczny Sp ZOO KPT
AS206687	RESINVEST ENERGY POLSKA Sp. z o.o. CEZPL

AS8267	Academic Computer Centre CYFRONET AGH CYFRONET-AS
AS14840	BR.Digital Telecom AS14840
AS22356	Durand do Brasil Ltda AS22356
AS24748	Atman Sp. z o.o. THINX_Poland
AS198150	SIACOM JSC SIACOM-AS
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS264409	Huge Solucoes Corporativas Ltda AS264409