AS21840 WiredISP Inc.

United States NET3 ARIN 38 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

9,728

IPv6 /48 networks

RPKI

36 valid2 invalid0 no ROA

Peers and downstreams

Holder

AS name: NET3
Description: WiredISP Inc.
Organisation: WiredISP Inc.
Abuse contact: Not published
Assigned: 2001-06-27
Registered: 2001-06-28
Record last changed: 2025-07-29 18:39 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 44/100

partly	Prefixes covered by valid ROAs 36 of 38 announced prefixes are RPKI valid.	24/25
fail	No RPKI invalid announcements 2 announced prefixes are RPKI invalid and dropped by networks that validate.	0/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
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
pass	Registry record maintained Last changed 2025-07-29.	5/5

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/21840"><img src="https://ip-fd.net/badge/asn/21840/health.svg" alt="AS21840 network health on IP-FD.net"></a>

Markdown

[![AS21840 network health](https://ip-fd.net/badge/asn/21840/health.svg)](https://ip-fd.net/asn/21840)

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:        AS21840
as-name:        NET3
handle:         AS21840
registrant:     WIRED-21 (WiredISP Inc.)
administrative,abuse,technical:ADMIN7607-ARIN (Admin) <admin@wiredisp.com>
last changed:   2025-07-29T14:39:05-04:00
registration:   2001-06-28T00:00:00-04:00
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/21840

const res = await fetch('https://ip-fd.net/api/v1/asn/21840', {
  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/21840', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/21840');
curl_setopt($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/21840", 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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