AS47743 Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine

Ukraine IRE-NASU-AS RIPE 1 IPv4 prefix 0 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

0 valid1 no ROA

Peers and downstreams

Holder

AS name: IRE-NASU-AS
Description: Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine
Organisation: Usikov Institute of Radiophysics and Electronics of National Academy of Sciences of Ukraine
Registered in: Kharkiv, Ukraine
Abuse contact: abuse@ire.kharkov.ua
Assigned: 2008-08-12
Registered: 2008-08-13
Record last changed: 2023-09-13 08:55 UTC

91.208.94.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 1 announced prefixes are RPKI valid, 1 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@ire.kharkov.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
fail	Registry record maintained Last changed 2023-09-13.	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/47743"><img src="https://ip-fd.net/badge/asn/47743/health.svg" alt="AS47743 network health on IP-FD.net"></a>

Markdown

[![AS47743 network health](https://ip-fd.net/badge/asn/47743/health.svg)](https://ip-fd.net/asn/47743)

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

Routing changes

Last 30 days

2026-10-04 03:38 UTC

Neighbour gone

AS212397

upstream

WHOIS

aut-num:        AS47743
as-name:        IRE-NASU-AS
org:            ORG-IORA1-RIPE
admin-c:        PNM22-RIPE
tech-c:         INV32-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-IRE
created:        2008-08-13T09:13:02Z
last-modified:  2023-09-13T08:55:51Z
source:         RIPE
sponsoring-org: ORG-PL375-RIPE
% 6 routing policy lines (import/export) not shown

Routing data

Updated 23 h ago

Registry record

Fetched 23 h ago 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/47743

const res = await fetch('https://ip-fd.net/api/v1/asn/47743', {
  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/47743', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/47743');
curl_setopt($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/47743", 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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