AS19406 Towerstream I, Inc.

United States TWRS-BOS ARIN 10 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

24,320

IPv6 /48 networks

2,049

RPKI

0 valid12 no ROA

Peers and downstreams

Holder

AS name: TWRS-BOS
Description: Towerstream BOS ASN
Organisation: Towerstream I, Inc.
Abuse contact: Not published
Assigned: 2001-01-01
Registered: 2001-01-02
Record last changed: 2026-09-21 15:54 UTC

192.74.137.0/24 216.57.82.0/23 216.57.84.0/22 216.57.88.0/21 64.119.128.0/19 66.228.64.0/20 69.38.144.0/20 69.38.176.0/22 72.46.160.0/21 72.46.168.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 12 announced prefixes are RPKI valid, 12 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact noc@naturalwireless.com 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 2026-09-21.	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/19406"><img src="https://ip-fd.net/badge/asn/19406/health.svg" alt="AS19406 network health on IP-FD.net"></a>

Markdown

[![AS19406 network health](https://ip-fd.net/badge/asn/19406/health.svg)](https://ip-fd.net/asn/19406)

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

Routing changes

Last 30 days

2026-10-06 05:04 UTC

New neighbour

AS40774

downstream

WHOIS

aut-num:        AS19406
as-name:        NATURAL WIRELESS-MA
handle:         AS19406
registrant:     NWL-20 (Natural Wireless, LLC)
abuse,administrative,noc,technical:NOC13028-ARIN (Network Operations Center) <noc@naturalwireless.com>
last changed:   2026-09-21T11:54:37-04:00
registration:   2001-01-02T00:00:00-05:00
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/19406

const res = await fetch('https://ip-fd.net/api/v1/asn/19406', {
  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/19406', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/19406');
curl_setopt($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/19406", 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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