AS23237 McMaster University

Canada MCMASTER ARIN 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

66,048

IPv6 /48 networks

RPKI

0 valid5 no ROA

Peers and downstreams

Holder

AS name: MCMASTER
Description: McMaster University
Organisation: McMaster University
Abuse contact: Not published
Assigned: 2002-02-12
Registered: 2002-02-13
Record last changed: 2012-03-02 13:03 UTC

130.113.0.0/16 130.113.109.0/24 192.42.5.0/24 192.42.6.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 5 announced prefixes are RPKI valid, 5 have no ROA.	0/25
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 2 upstreams seen in BGP.	10/10
pass	Working abuse contact mike.diggins@mcmaster.ca 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 2012-03-02.	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/23237"><img src="https://ip-fd.net/badge/asn/23237/health.svg" alt="AS23237 network health on IP-FD.net"></a>

Markdown

[![AS23237 network health](https://ip-fd.net/badge/asn/23237/health.svg)](https://ip-fd.net/asn/23237)

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:        AS23237
as-name:        MCMASTER
handle:         AS23237
registrant:     MU (McMaster University)
abuse,administrative,technical:MDD4-ARIN (Mike Donald Diggins) <mike.diggins@mcmaster.ca>
last changed:   2012-03-02T08:03:18-05:00
registration:   2002-02-13T00:00:00-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

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/23237

const res = await fetch('https://ip-fd.net/api/v1/asn/23237', {
  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/23237', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/23237');
curl_setopt($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/23237", 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.

AS7992	Cogeco Connexion Inc. COGECOWAVE
AS26677	ORION ORION-ASN