AS133475 New York University ASN

United States NEWYORKUNIVERSITY-AS-SHANGHAI APNIC 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

512

IPv6 /48 networks

256

RPKI

0 valid3 no ROA

Peers and downstreams

Holder

AS name: NEWYORKUNIVERSITY-AS-SHANGHAI
Description: New York University ASN
Organisation: New York University
Abuse contact: Not published
Assigned: 2014-05-07
Registered: 2014-05-08
Record last changed: 2020-07-07 04:56 UTC

103.242.128.0/24 103.242.130.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 3 announced prefixes are RPKI valid, 3 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 noc@nyu.edu 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 2020-07-07.	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/133475"><img src="https://ip-fd.net/badge/asn/133475/health.svg" alt="AS133475 network health on IP-FD.net"></a>

Markdown

[![AS133475 network health](https://ip-fd.net/badge/asn/133475/health.svg)](https://ip-fd.net/asn/133475)

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

Routing changes

Last 30 days

2026-10-04 12:09 UTC	Relationship changed	AS4812	upstream to peer
2026-10-04 12:09 UTC	New neighbour	AS4538	peer
2026-10-04 12:09 UTC	Relationship changed	AS17621	upstream to peer

WHOIS

aut-num:        AS133475
as-name:        NEWYORKUNIVERSITY-AS-SHANGHAI
handle:         AS133475
remarks:        New York University ASN
technical,administrative:NYUA1-AP (New York University administrator) <noc@nyu.edu>
registrant:     ORG-NYU1-AP (New York University) <noc@nyu.edu>
abuse:          IRT-NEWYORKUNIVERSITY-AP (IRT-NEWYORKUNIVERSITY-AP) <noc@nyu.edu>
registration:   2014-05-08T02:28:04Z
last changed:   2020-07-07T04:56:09Z
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/133475

const res = await fetch('https://ip-fd.net/api/v1/asn/133475', {
  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/133475', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/133475');
curl_setopt($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/133475", 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.

AS4058	CITIC Telecom International CPC Limited CITICTEL-CPC-AS4058
AS8220	COLT Technology Services Group Limited COLT

AS4538	China Education and Research Network Center ERX-CERNET-BKB
AS4812	China Telecom (Group) CHINANET-SH-AP
AS17621	China Unicom Shanghai network CNCGROUP-SH