AS27400 Clearfly Communications

United States CLEARFLY ARIN 8 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

7,168

IPv6 /48 networks

65,536

RPKI

9 valid0 no ROA

Peers and downstreams

Holder

AS name: CLEARFLY
Description: Clearfly Communications PO Box 20009 Billings MT 59104-0009 United States
Organisation: Clearfly Communications
Abuse contact: Not published
Assigned: 2007-11-28
Registered: 2007-11-29
Record last changed: 2020-04-24 19:29 UTC

199.36.232.0/21 208.85.60.0/22 208.85.60.0/24 208.85.61.0/24 208.85.62.0/24 208.85.63.0/24 208.88.112.0/21 74.116.160.0/21

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 9 of 9 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
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@clearfly.net 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
fail	Registry record maintained Last changed 2020-04-24.	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/27400"><img src="https://ip-fd.net/badge/asn/27400/health.svg" alt="AS27400 network health on IP-FD.net"></a>

Markdown

[![AS27400 network health](https://ip-fd.net/badge/asn/27400/health.svg)](https://ip-fd.net/asn/27400)

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

Routing changes

Last 30 days

2026-10-04 13:39 UTC	Relationship changed	AS9002	upstream to peer
2026-10-04 13:39 UTC	Relationship changed	AS7575	upstream to peer
2026-10-04 13:39 UTC	Relationship changed	AS394256	upstream to peer
2026-10-04 13:39 UTC	Relationship changed	AS32621	upstream to peer
2026-10-04 13:39 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS27400
as-name:        CLEARFLY
handle:         AS27400
remarks:        https://www.clearfly.net/
registrant:     CLEAR-58 (Clearfly Communications)
administrative,technical,routing,dns,noc:CLEAR3-ARIN (CLEARFLY-NETOPS) <netops@clearfly.net>
abuse:          CAC73-ARIN (Clearfly Abuse Contact) <abuse@clearfly.net>
noc,technical:  CLEAR3-ARIN (CLEARFLY-NETOPS) <netops@clearfly.net>
abuse:          CAC73-ARIN (Clearfly Abuse Contact) <abuse@clearfly.net>
last changed:   2020-04-24T15:29:21-04:00
registration:   2007-11-29T15:12:10-05:00
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/27400

const res = await fetch('https://ip-fd.net/api/v1/asn/27400', {
  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/27400', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/27400');
curl_setopt($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/27400", 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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