AS18519 MTC Technologies

United States MTC-ASN-18519 ARIN 4 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

8,192

IPv6 /48 networks

65,536

RPKI

4 valid1 no ROA

Peers and downstreams

Holder

AS name: MTC-ASN-18519
Description: MTC Technologies 652 Main Street PO Box 398 Mediapolis IA 52637 United States
Organisation: MTC Technologies
Abuse contact: Not published
Assigned: 2020-08-03
Registered: 2020-08-04
Record last changed: 2026-02-26 21:54 UTC

167.254.244.0/22 172.81.16.0/22 38.137.224.0/21 72.251.192.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100

partly	Prefixes covered by valid ROAs 4 of 5 announced prefixes are RPKI valid, 1 have no ROA.	20/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
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 2026-02-26.	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/18519"><img src="https://ip-fd.net/badge/asn/18519/health.svg" alt="AS18519 network health on IP-FD.net"></a>

Markdown

[![AS18519 network health](https://ip-fd.net/badge/asn/18519/health.svg)](https://ip-fd.net/asn/18519)

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:        AS18519
as-name:        MEDIAPOLIS-TELEPHONE-COMPANY
handle:         AS18519
remarks:        https://www.mtctech.net
remarks:        Standard NOC hours as 0800 to 1630 CST, Monday - Friday
registrant:     MT-1369 (MTC Technologies)
technical:      LANTZ20-ARIN (Karl Lantz) <klantz@mtctech.net>
last changed:   2026-02-26T16:54:09-05:00
registration:   2020-08-04T17:27:30-04:00
source:         ARIN (RDAP)

Routing data

Updated 2 h ago

Registry record

Fetched 2 h 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/18519

const res = await fetch('https://ip-fd.net/api/v1/asn/18519', {
  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/18519', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/18519');
curl_setopt($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/18519", 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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