AS3736 American Webmasters Inc.

United States AMERIWEB ARIN 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

1,024

IPv6 /48 networks

4,096

RPKI

4 valid0 no ROA

Peers and downstreams

Holder

AS name: AMERIWEB
Description: American Webmasters Inc.
Organisation: American Webmasters Inc.
Abuse contact: Not published
Assigned: 1994-07-27
Registered: 1994-07-28
Record last changed: 2026-02-24 22:31 UTC

198.180.140.0/24 199.5.156.0/23 204.138.71.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100

pass	Prefixes covered by valid ROAs 4 of 4 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
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 2026-02-24.	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/3736"><img src="https://ip-fd.net/badge/asn/3736/health.svg" alt="AS3736 network health on IP-FD.net"></a>

Markdown

[![AS3736 network health](https://ip-fd.net/badge/asn/3736/health.svg)](https://ip-fd.net/asn/3736)

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:        AS3736
as-name:        AMERIWEB
handle:         AS3736
registrant:     AGN (American Webmasters Inc.)
technical,administrative,abuse,noc:JP4736-ARIN (John Palmer) <jp@adns.net>
last changed:   2026-02-24T17:31:44-05:00
registration:   1994-07-28T00:00:00-04:00
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/3736

const res = await fetch('https://ip-fd.net/api/v1/asn/3736', {
  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/3736', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/3736');
curl_setopt($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/3736", 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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