AS199436 BangLong Yang

Japan A-NET RIPE 0 IPv4 prefixes 12 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

279

RPKI

12 valid0 no ROA

Peers and downstreams

Holder

AS name: A-NET
Description: Shota Network | Shota Saikou!
Organisation: BangLong Yang
Registered in: Tokyo, Japan
Abuse contact: m@4eva.org
Assigned: 2023-03-13
Registered: 2023-03-14
Record last changed: 2026-06-16 06:14 UTC

None announced.

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 12 of 12 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 12 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact m@4eva.org 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 2026-06-16.	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/199436"><img src="https://ip-fd.net/badge/asn/199436/health.svg" alt="AS199436 network health on IP-FD.net"></a>

Markdown

[![AS199436 network health](https://ip-fd.net/badge/asn/199436/health.svg)](https://ip-fd.net/asn/199436)

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

Routing changes

Last 30 days

2026-10-05 01:39 UTC	Prefix gone	2602:f864:f12::/47
2026-10-05 01:39 UTC	Prefix gone	2602:f864:f02::/47
2026-10-05 01:39 UTC	Prefix gone	2400:e3e0:abb2::/48

WHOIS

aut-num:        AS199436
as-name:        A-NET
descr:          Shota Network | Shota Saikou!
remarks:        =========================================
remarks:        More Info: https://bgp.4eva.org
remarks:        Geofeed https://as199436.4eva.org/all.csv
remarks:        =========================================
remarks:        UPSTREAMS
remarks:        =========================================
sponsoring-org: ORG-LCM12-RIPE
admin-c:        AA40241-RIPE
tech-c:         AA40241-RIPE
status:         ASSIGNED
org:            ORG-AY62-RIPE
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FDNL-MNT
mnt-by:         AUBREY-MNT
created:        2023-03-14T16:18:35Z
last-modified:  2026-06-16T06:14:17Z
source:         RIPE
% 10 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/199436

const res = await fetch('https://ip-fd.net/api/v1/asn/199436', {
  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/199436', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/199436');
curl_setopt($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/199436", 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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