AS25500 User Association of Ukrainian Research and Academic Network URAN

Ukraine NTUU-KPI-AS RIPE 12 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

21,504

IPv6 /48 networks

65,536

RPKI

13 valid0 no ROA

Peers and downstreams

Holder

AS name: NTUU-KPI-AS
Description: User Association of Ukrainian Research and Academic Network URAN
Organisation: User Association of Ukrainian Research and Academic Network URAN
Abuse contact: abuse@uran.ua
Assigned: 2002-12-10
Registered: 2002-12-11
Record last changed: 2026-02-20 12:40 UTC

77.47.128.0/21 77.47.136.0/22 77.47.140.0/23 77.47.160.0/20 77.47.176.0/23 77.47.184.0/21 77.47.192.0/20 77.47.194.0/24 77.47.208.0/23 77.47.214.0/23 77.47.216.0/21 77.47.224.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 13 of 13 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 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@uran.ua 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 2026-02-20.	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/25500"><img src="https://ip-fd.net/badge/asn/25500/health.svg" alt="AS25500 network health on IP-FD.net"></a>

Markdown

[![AS25500 network health](https://ip-fd.net/badge/asn/25500/health.svg)](https://ip-fd.net/asn/25500)

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

Routing changes

Last 30 days

2026-10-06 02:58 UTC

Relationship changed

AS15645

upstream to peer

WHOIS

aut-num:        AS25500
as-name:        NTUU-KPI-AS
remarks:        National Technical University of Ukraine
remarks:        "Igor Sikorsky Kyiv Polytechnic Institute"
org:            ORG-CoEI1-RIPE
abuse-c:        KPI-RIPE
remarks:        ------------------------------------------------------
remarks:        UA-IX
remarks:        ------------------------------------------------------
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remarks:        ------------------------------------------------------
remarks:        UA
remarks:        ------------------------------------------------------
remarks:        
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remarks:        
remarks:        -----= RUDAKi-IX =-----
remarks:        
remarks:        ------------------------------------------------------
remarks:        GEANT
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remarks:        World
remarks:        ------------------------------------------------------
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remarks:        ------------------------------------------------------
remarks:        Clients
remarks:        ------------------------------------------------------
remarks:        
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admin-c:        KPI-RIPE
tech-c:         KPI-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         KPI-MNT
created:        2002-12-11T11:05:17Z
last-modified:  2026-02-20T12:40:44Z
source:         RIPE
% 36 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/25500

const res = await fetch('https://ip-fd.net/api/v1/asn/25500', {
  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/25500', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/25500');
curl_setopt($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/25500", 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))

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