AS33247 COASTAL TELCO SERVICES, INC.

United States CTS ARIN 7 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

15,360

IPv6 /48 networks

RPKI

0 valid7 no ROA

Peers and downstreams

Holder

AS name: CTS
Description: Coastal Telco Services, Inc.
Organisation: COASTAL TELCO SERVICES, INC.
Abuse contact: Not published
Assigned: 2011-03-16
Registered: 2011-03-17
Record last changed: 2012-03-02 13:03 UTC

104.129.176.0/22 107.161.156.0/22 130.250.232.0/21 142.0.96.0/20 192.80.184.0/21 208.117.88.0/22 216.21.192.0/20

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 30/100

fail	Prefixes covered by valid ROAs 0 of 7 announced prefixes are RPKI valid, 7 have no ROA.	0/25
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/33247"><img src="https://ip-fd.net/badge/asn/33247/health.svg" alt="AS33247 network health on IP-FD.net"></a>

Markdown

[![AS33247 network health](https://ip-fd.net/badge/asn/33247/health.svg)](https://ip-fd.net/asn/33247)

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

Routing changes

Last 30 days

2026-10-03 20:20 UTC	Neighbour gone	AS396522	downstream
2026-10-03 20:20 UTC	Neighbour gone	AS33891	upstream
2026-10-03 20:20 UTC	New neighbour	AS835	peer
2026-10-03 20:20 UTC	New neighbour	AS264479	peer
2026-10-03 20:20 UTC	Relationship changed	AS9304	upstream to peer
2026-10-03 20:20 UTC	Relationship changed	AS4230	upstream to peer
2026-10-03 20:20 UTC	Relationship changed	AS34549	upstream to peer
2026-10-03 20:20 UTC	Relationship changed	AS32097	upstream to peer
2026-10-03 20:20 UTC	Relationship changed	AS25091	upstream to peer
2026-10-03 20:20 UTC	New neighbour	AS20326	peer
2026-10-03 20:20 UTC	Relationship changed	AS137409	upstream to peer

WHOIS

aut-num:        AS33247
as-name:        COASTAL-BGP
handle:         AS33247
registrant:     COAST-29 (COASTAL TELCO SERVICES, INC.)
last changed:   2012-03-02T08:03:18-05:00
registration:   2011-03-17T14:43:04-04:00
source:         ARIN (RDAP)

Routing data

Updated 20 h ago

Registry record

Fetched 20 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/33247

const res = await fetch('https://ip-fd.net/api/v1/asn/33247', {
  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/33247', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/33247');
curl_setopt($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/33247", 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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