AS203938 Samuel Cosgrove

United Kingdom SAMUEL-COSGROVE RIPE 4 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

1,024

IPv6 /48 networks

RPKI

4 valid0 no ROA

Peers and downstreams

Holder

AS name: SAMUEL-COSGROVE
Description: Samuel Cosgrove
Organisation: Samuel Cosgrove
Registered in: Ruislip, United Kingdom
Abuse contact: samuel@unlimited.dog
Assigned: 2025-11-06
Registered: 2025-11-07
Record last changed: 2025-11-07 11:50 UTC

136.175.222.0/24 163.123.192.0/24 163.123.194.0/24 205.220.227.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 80/100

pass	Prefixes covered by valid ROAs 4 of 4 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact samuel@unlimited.dog is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
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 2025-11-07.	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/203938"><img src="https://ip-fd.net/badge/asn/203938/health.svg" alt="AS203938 network health on IP-FD.net"></a>

Markdown

[![AS203938 network health](https://ip-fd.net/badge/asn/203938/health.svg)](https://ip-fd.net/asn/203938)

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

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS203938
as-name:        SAMUEL-COSGROVE
org:            ORG-SC1268-RIPE
admin-c:        SC27862-RIPE
tech-c:         SC27862-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-uk-sam-1-MNT
created:        2025-11-07T11:50:11Z
last-modified:  2025-11-07T11:50:11Z
source:         RIPE
% 4 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/203938

const res = await fetch('https://ip-fd.net/api/v1/asn/203938', {
  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/203938', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/203938');
curl_setopt($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/203938", 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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