AS16643 Virginia Commonwealth University

United States VCU-ASN1 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: VCU-ASN1
Description: Virginia Commonwealth University
Organisation: Virginia Commonwealth University
Abuse contact: Not published
Assigned: 2000-05-29
Registered: 2000-05-30
Record last changed: 2026-05-13 18:15 UTC

128.172.0.0/18 128.172.128.0/18 128.172.192.0/18 128.172.64.0/18

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 50/100

fail	Prefixes covered by valid ROAs 0 of 4 announced prefixes are RPKI valid, 4 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact jacraig@vcu.edu is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-05-13.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/16643"><img src="https://ip-fd.net/badge/asn/16643/health.svg" alt="AS16643 network health on IP-FD.net"></a>

Markdown

[![AS16643 network health](https://ip-fd.net/badge/asn/16643/health.svg)](https://ip-fd.net/asn/16643)

Use rpki.svg instead of health.svg for the RPKI badge.

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:        AS16643
as-name:        VCU-ASN1
handle:         AS16643
registrant:     VCU (Virginia Commonwealth University)
routing,noc,technical,dns,abuse:PATEL2909-ARIN (Kush Patel) <patelkr2@vcu.edu>
abuse,technical,administrative,dns:JAC487-ARIN (J Adam Craig) <jacraig@vcu.edu>
abuse,dns,routing,technical,noc:LAMMD7-ARIN (David Lamm) <lammd2@vcu.edu>
technical,abuse,noc:PATEL2909-ARIN (Kush Patel) <patelkr2@vcu.edu>
technical,abuse,noc:LAMMD7-ARIN (David Lamm) <lammd2@vcu.edu>
last changed:   2026-05-13T14:15:48-04:00
registration:   2000-05-30T00:00:00-04:00
source:         ARIN (RDAP)

Routing data

Updated 5 min ago

Registry record

Fetched 5 min ago 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/16643

const res = await fetch('https://ip-fd.net/api/v1/asn/16643', {
  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/16643', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/16643');
curl_setopt($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/16643", 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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