AS63747 Central Post and Telecommunication (CPT)

Vietnam CPT-AS-VN APNIC 16 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

4,096

IPv6 /48 networks

RPKI

16 valid0 no ROA

Peers and downstreams

Holder

AS name: CPT-AS-VN
Description: Central Post and Telecommunication (CPT)
Organisation: Central Post and Telecommunication (CPT)
Abuse contact: Not published
Assigned: 2014-08-24
Registered: 2016-06-08
Record last changed: 2016-06-08 08:00 UTC

103.221.224.0/24 103.221.225.0/24 103.221.226.0/24 103.221.227.0/24 103.221.228.0/24 103.221.229.0/24 103.221.230.0/24 103.221.231.0/24 45.252.240.0/24 45.252.241.0/24 45.252.242.0/24 45.252.243.0/24 45.252.244.0/24 45.252.245.0/24 45.252.246.0/24 45.252.247.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 65/100

pass	Prefixes covered by valid ROAs 16 of 16 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact hm-changed@vnnic.vn 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 2016-06-08.	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/63747"><img src="https://ip-fd.net/badge/asn/63747/health.svg" alt="AS63747 network health on IP-FD.net"></a>

Markdown

[![AS63747 network health](https://ip-fd.net/badge/asn/63747/health.svg)](https://ip-fd.net/asn/63747)

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

Routing changes

Last 30 days

2026-10-04 15:45 UTC

Relationship changed

AS7552

upstream to peer

WHOIS

aut-num:        AS63747
as-name:        CPT-AS-VN
handle:         AS63747
remarks:        Central Post and Telecommunication (CPT)
abuse:          IRT-VNNIC-AP (IRT-VNNIC-AP) <hm-changed@vnnic.vn>
administrative: NTH21-AP (Ngo Thanh Hien) <hiennt@cpt.gov.vn>
technical:      PDC9-AP (Pham Duy Canh) <pdcanh@cpt.gov.vn>
registration:   2016-06-08T08:00:50Z
last changed:   2016-06-08T08:00:50Z
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC 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/63747

const res = await fetch('https://ip-fd.net/api/v1/asn/63747', {
  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/63747', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/63747');
curl_setopt($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/63747", 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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