AS21951 St. Olaf College

United States STOLAF ARIN 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

2,048

IPv6 /48 networks

256

RPKI

0 valid3 no ROA

Peers and downstreams

Holder

AS name: STOLAF
Description: St. Olaf College 1510 St. Olaf Avenue Northfield MN 55057-1097 United States
Organisation: St. Olaf College
Abuse contact: Not published
Assigned: 2001-07-16
Registered: 2001-07-17
Record last changed: 2012-03-02 13:03 UTC

162.210.88.0/22 199.91.180.0/22

Routing changes

Last 30 days

2026-10-04 07:14 UTC

Relationship changed

AS15011

upstream to peer

WHOIS

aut-num:        AS21951
as-name:        STOLAF
handle:         AS21951
registrant:     SOC (St. Olaf College)
technical:      CR127-ARIN (Craig Rice) <cdr@stolaf.edu>
last changed:   2012-03-02T08:03:18-05:00
registration:   2001-07-17T00:00:00-04:00
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/21951

const res = await fetch('https://ip-fd.net/api/v1/asn/21951', {
  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/21951', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/21951');
curl_setopt($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/21951", 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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AS57
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