AS21604 CHEMONICS INTERNATIONAL, INC.

United States CHEMONICS ARIN 0 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

IPv6 /48 networks

RPKI

0 valid0 no ROA

Peers and downstreams

Holder

AS name: CHEMONICS
Description: 1275 New Jersey Ave SE Washington DC 20003 United States
Organisation: CHEMONICS INTERNATIONAL, INC.
Abuse contact: Not published
Assigned: 2001-05-29
Registered: 2001-05-30
Record last changed: 2012-03-02 13:03 UTC

None announced.

Routing changes

Last 30 days

2026-10-05 07:14 UTC

Relationship changed

AS46887

upstream to peer

WHOIS

aut-num:        AS21604
as-name:        CHEMONICS-USA
handle:         AS21604
registrant:     CHEMON-2 (CHEMONICS INTERNATIONAL, INC.)
technical:      PARKS27-ARIN (Samuel Park) <spark@chemonics.com>
administrative: HOSTM868-ARIN (HOSTMASTER) <hostmaster@chemonics.net>
abuse,technical:PS803-ARIN (Pete Souza) <psouza@chemonics.net>
technical:      PS803-ARIN (Pete Souza) <psouza@chemonics.net>
last changed:   2012-03-02T08:03:18-05:00
registration:   2001-05-30T00:00:00-04:00
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/21604

const res = await fetch('https://ip-fd.net/api/v1/asn/21604', {
  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/21604', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/21604');
curl_setopt($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/21604", 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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