AS131475 Singapore Institute of Technology

Singapore SIT-AS-AP APNIC 2 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

512

IPv6 /48 networks

RPKI

0 valid2 no ROA

Peers and downstreams

Holder

AS name: SIT-AS-AP
Description: Singapore Institute of Technology 10 Dover Drive Singapore 138683
Organisation: Singapore Institute of Technology
Abuse contact: Not published
Assigned: 2011-07-17
Registered: 2011-07-18
Record last changed: 2020-07-13 13:11 UTC

103.30.215.0/24 103.4.232.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 2 announced prefixes are RPKI valid, 2 have no ROA.	0/25
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 network-support@singaporetech.edu.sg 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 2020-07-13.	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/131475"><img src="https://ip-fd.net/badge/asn/131475/health.svg" alt="AS131475 network health on IP-FD.net"></a>

Markdown

[![AS131475 network health](https://ip-fd.net/badge/asn/131475/health.svg)](https://ip-fd.net/asn/131475)

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

Routing changes

Last 30 days

2026-10-04 16:57 UTC

Relationship changed

AS134148

upstream to peer

WHOIS

aut-num:        AS131475
as-name:        SIT-AS-AP
handle:         AS131475
remarks:        Singapore Institute of Technology
remarks:        10 Dover Drive
remarks:        Singapore 138683
technical,administrative:SIOT1-AP (SINGAPORE INSTITUTE OF TECHNOLOGY - network admini) <sysadmin@singaporetech.edu.sg>
registrant:     ORG-SIOT1-AP (Singapore Institute of Technology) <network-support@singaporetech.edu.sg>
abuse:          IRT-SIT-SG (IRT-SIT-SG) <network-support@singaporetech.edu.sg>
registration:   2011-07-18T04:56:18Z
last changed:   2020-07-13T13:11:23Z
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/131475

const res = await fetch('https://ip-fd.net/api/v1/asn/131475', {
  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/131475', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/131475');
curl_setopt($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/131475", 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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