AS33203 2CRSI Corporation

United States 2CRSI CORPORATION ARIN 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

512

IPv6 /48 networks

4,096

RPKI

1 valid2 invalid1 no ROA

Peers and downstreams

Holder

AS name: 2CRSI CORPORATION
Description: 2CRSI Corporation
Organisation: 2CRSI Corporation
Abuse contact: Not published
Assigned: 2025-06-19
Registered: 2025-06-20
Record last changed: 2025-06-20 10:35 UTC

216.83.48.0/23 216.83.48.0/24 216.83.49.0/24

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:        AS33203
as-name:        2CRSI
handle:         AS33203
registrant:     CC-4475 (2CRSI Corporation)
last changed:   2025-06-20T06:35:09-04:00
registration:   2025-06-20T06:35:09-04:00
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/33203

const res = await fetch('https://ip-fd.net/api/v1/asn/33203', {
  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/33203', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/33203');
curl_setopt($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/33203", 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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