AS212194 YUUSEI LTD

United Kingdom Yuusei RIPE 8 IPv4 prefixes 3 IPv6 prefixes

IPv4 addresses

3,328

IPv6 /48 networks

RPKI

11 valid0 no ROA

Peers and downstreams

Holder

AS name: Yuusei
Description: YUUSEI LTD
Organisation: YUUSEI LTD
Registered in: Manchester, United Kingdom
Abuse contact: abuse@yuusei.io
Assigned: 2025-09-15
Registered: 2025-09-16
Record last changed: 2025-09-16 11:31 UTC

151.242.65.0/24 2.26.200.0/21 2.26.200.0/23 2.26.202.0/23 2.26.204.0/23 2.26.206.0/24 2.27.146.0/23 2.27.212.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 11 of 11 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 3 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@yuusei.io 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 2025-09-16.	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/212194"><img src="https://ip-fd.net/badge/asn/212194/health.svg" alt="AS212194 network health on IP-FD.net"></a>

Markdown

[![AS212194 network health](https://ip-fd.net/badge/asn/212194/health.svg)](https://ip-fd.net/asn/212194)

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

Routing changes

Last 30 days

2026-10-04 09:55 UTC

Prefix gone

2.27.212.0/24

WHOIS

aut-num:        AS212194
as-name:        Yuusei
org:            ORG-YL136-RIPE
sponsoring-org: ORG-ANL60-RIPE
admin-c:        YN613-RIPE
tech-c:         YN613-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         Yuusei-MNT
created:        2025-09-16T09:48:10Z
last-modified:  2025-09-16T11:31:00Z
source:         RIPE

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/212194

const res = await fetch('https://ip-fd.net/api/v1/asn/212194', {
  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/212194', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/212194');
curl_setopt($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/212194", 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.

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