AS5724 University of Massachusetts Medical School

United States UMASSMED ARIN 4 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

65,536

IPv6 /48 networks

RPKI

0 valid4 no ROA

Peers and downstreams

Holder

AS name: UMASSMED
Description: University of Massachusetts Medical School
Organisation: University of Massachusetts Medical School
Abuse contact: Not published
Assigned: 1995-09-05
Registered: 1995-09-06
Record last changed: 2023-07-01 14:03 UTC

146.189.0.0/16 146.189.128.0/21 146.189.25.0/24 146.189.26.0/24

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:        AS5724
as-name:        UMASSMED
handle:         AS5724
remarks:        http://www.umassmed.edu
registrant:     UMMC-1-Z (University of Massachusetts Medical School)
technical:      HOSTE28-ARIN (Hosted Services) <HostedServices@umassmed.edu>
last changed:   2023-07-01T10:03:20-04:00
registration:   1995-09-06T00:00:00-04:00
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/5724

const res = await fetch('https://ip-fd.net/api/v1/asn/5724', {
  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/5724', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/5724');
curl_setopt($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/5724", 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.

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AS174
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