AS9426 Westpac Bank

Australia WESTPAC-AS-AP APNIC 44 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

19,456

IPv6 /48 networks

RPKI

43 valid1 no ROA

Peers and downstreams

Holder

AS name: WESTPAC-AS-AP
Description: Westpac Bank Retail Bank in Australia
Organisation: SingTel Optus Pty Ltd
Abuse contact: Not published
Assigned: 1998-10-15
Registered: 2008-09-04
Record last changed: 2021-01-15 01:45 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 69/100

partly	Prefixes covered by valid ROAs 43 of 44 announced prefixes are RPKI valid, 1 have no ROA.	24/25
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 3 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@optusnet.com.au 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 2021-01-15.	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/9426"><img src="https://ip-fd.net/badge/asn/9426/health.svg" alt="AS9426 network health on IP-FD.net"></a>

Markdown

[![AS9426 network health](https://ip-fd.net/badge/asn/9426/health.svg)](https://ip-fd.net/asn/9426)

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

Routing changes

Last 30 days

2026-10-05 10:26 UTC	Prefix gone	166.120.6.0/24
2026-10-05 10:26 UTC	Prefix gone	166.120.58.0/23
2026-10-05 10:26 UTC	Prefix gone	166.120.4.0/24
2026-10-05 10:26 UTC	Prefix gone	110.5.95.0/24
2026-10-05 10:26 UTC	Prefix gone	110.5.92.0/22
2026-10-05 10:26 UTC	Prefix gone	110.5.89.0/24
2026-10-05 10:26 UTC	Prefix gone	110.5.88.0/24
2026-10-05 10:26 UTC	Prefix gone	110.5.88.0/22
2026-10-05 10:26 UTC	Prefix gone	110.5.83.0/24
2026-10-05 10:26 UTC	Prefix gone	110.5.82.0/24

WHOIS

aut-num:        AS9426
as-name:        WESTPAC-AS-AP
handle:         AS9426
remarks:        Westpac Bank
remarks:        Retail Bank in Australia
remarks:        hostmaster@apnic.net 981015
technical:      GT14-AP (Geoff Turville) <gturville@westpac.com.au>
abuse:          IRT-OPTUSCOM-AU (IRT-OPTUSCOM-AU) <abuse@optusnet.com.au>
administrative: BJ6-AP (Bruce Johnson) <bjohnson@westpac.com.au>
registrant:     ORG-SOPL2-AP (SingTel Optus Pty Ltd) <irr-admin@optus.com.au>
registration:   2008-09-04T06:40:27Z
last changed:   2021-01-15T01:45:02Z
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC 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/9426

const res = await fetch('https://ip-fd.net/api/v1/asn/9426', {
  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/9426', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/9426');
curl_setopt($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/9426", 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.

AS1221	Telstra Limited ASN-TELSTRA
AS7474	SingTel Optus Pty Ltd OPTUSCOM-AS01-AU
AS32787	Akamai Technologies, Inc. PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK