AS55

5 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

262,400

IPv6 /48 networks

65,536

RPKI

6 valid0 no ROA

Peers and downstreams

Holder

AS name
Organisation: Not published
Abuse contact: Not published
Registered: 1985-12-18
Record last changed: 2021-10-14 20:50 UTC

128.91.0.0/16 130.91.0.0/16 158.130.0.0/16 165.123.0.0/16 192.84.2.0/24

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:        AS55
as-name:        UPENN
handle:         AS55
remarks:        https://www.upenn.edu/
remarks:        Main AS number for PennNet of the University of Pennsylvania
registrant:     UNIVER-8-Z (University of Pennsylvania)
last changed:   2021-10-14T16:50:13-04:00
registration:   1985-12-18T00:00:00-05:00
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/55

const res = await fetch('https://ip-fd.net/api/v1/asn/55', {
  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/55', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/55');
curl_setopt($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/55", 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))

Works without a key at a lower rate. Get a free key.

AS174
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AS69
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