AS398324 Censys, Inc.

United States AS-CENSYS-01 ARIN 17 IPv4 prefixes 9 IPv6 prefixes

IPv4 addresses

4,352

IPv6 /48 networks

RPKI

25 valid1 invalid0 no ROA

Peers and downstreams

Holder

AS name: AS-CENSYS-01
Description: MNT-CENSY autnum AS398324
Organisation: Censys, Inc.
Abuse contact: Not published
Assigned: 2020-04-26
Registered: 2020-04-27
Record last changed: 2020-04-27 17:51 UTC

162.142.125.0/24 167.248.133.0/24 167.94.138.0/24 206.168.35.0/24 66.132.148.0/24 66.132.153.0/24 66.132.159.0/24 66.132.172.0/24 66.132.175.0/24 66.132.180.0/24 66.132.186.0/24 66.132.195.0/24 66.132.198.0/24 66.132.209.0/24 66.132.224.0/24 66.132.228.0/24 66.234.1.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 74/100

partly	Prefixes covered by valid ROAs 25 of 26 announced prefixes are RPKI valid.	24/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 9 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact scan-abuse@censys.io 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 2020-04-27.	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/398324"><img src="https://ip-fd.net/badge/asn/398324/health.svg" alt="AS398324 network health on IP-FD.net"></a>

Markdown

[![AS398324 network health](https://ip-fd.net/badge/asn/398324/health.svg)](https://ip-fd.net/asn/398324)

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

Routing changes

Last 30 days

2026-10-05 22:18 UTC	Relationship changed	AS286	upstream to peer
2026-10-05 22:18 UTC	New prefix	2602:80d:100b::/48
2026-10-05 22:18 UTC	New prefix	66.132.180.0/24
2026-10-05 22:18 UTC	New prefix	66.132.209.0/24
2026-10-05 22:18 UTC	New prefix	2602:80d:1000::/48
2026-10-05 22:18 UTC	New prefix	2620:96:e000::/48

WHOIS

aut-num:        AS398324
as-name:        CENSYS-ARIN-01
handle:         AS398324
registrant:     CENSY (Censys, Inc.)
administrative: CLT4-ARIN (Censys Legal Team) <legal@censys.com>
abuse:          CAT20-ARIN (Censys Abuse Team) <scan-abuse@censys.io>
noc,technical:  COT12-ARIN (Censys Operations Team) <ops@censys.com>
last changed:   2020-04-27T13:51:32-04:00
registration:   2020-04-27T13:51:32-04:00
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/398324

const res = await fetch('https://ip-fd.net/api/v1/asn/398324', {
  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/398324', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/398324');
curl_setopt($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/398324", 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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