AS21541 101Netlink

United States 101NETLINK ARIN 19 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

8,704

IPv6 /48 networks

RPKI

6 valid13 no ROA

Peers and downstreams

Holder

AS name: 101NETLINK
Description: 101Netlink
Organisation: 101Netlink
Abuse contact: Not published
Assigned: 2006-10-09
Registered: 2006-10-10
Record last changed: 2012-03-02 13:03 UTC

208.186.48.0/20 208.186.48.0/24 208.186.56.0/24 208.186.57.0/24 208.186.58.0/24 208.186.62.0/24 64.194.160.0/21 64.194.160.0/23 64.194.163.0/24 64.194.164.0/24 64.194.165.0/24 64.194.166.0/23 64.194.166.0/24 64.194.64.0/21 64.194.68.0/24 64.194.70.0/24 64.194.71.0/24 64.195.220.0/23 64.195.221.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 38/100

partly	Prefixes covered by valid ROAs 6 of 19 announced prefixes are RPKI valid, 13 have no ROA.	8/25
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
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
fail	Registry record maintained Last changed 2012-03-02.	0/5

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/21541"><img src="https://ip-fd.net/badge/asn/21541/health.svg" alt="AS21541 network health on IP-FD.net"></a>

Markdown

[![AS21541 network health](https://ip-fd.net/badge/asn/21541/health.svg)](https://ip-fd.net/asn/21541)

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:        AS21541
as-name:        101NETLINK
handle:         AS21541
remarks:        SJo71-ARIN
registrant:     NORMA-5 (101Netlink)
technical,abuse,noc:SJO71-ARIN (Seth Johannesen) <seth@101netlink.com>
administrative: AJO31-ARIN (Andy Johannesen) <andy@101netlink.com>
technical,abuse,noc:SJO71-ARIN (Seth Johannesen) <seth@101netlink.com>
last changed:   2012-03-02T08:03:18-05:00
registration:   2006-10-10T14:33:01-04:00
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/21541

const res = await fetch('https://ip-fd.net/api/v1/asn/21541', {
  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/21541', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/21541');
curl_setopt($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/21541", 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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