AS4842 Tianhai InfoTech

China TH-AS-AP APNIC 1 IPv4 prefix 8 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

554

RPKI

9 valid0 no ROA

Peers and downstreams

Holder

AS name: TH-AS-AP
Description: Tianhai InfoTech
Organisation: Tianhai InfoTech
Abuse contact: Not published
Assigned: 2019-06-13

45.9.11.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 88/100

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 8 IPv6 prefixes.	15/15
pass	More than one upstream 4 upstreams seen in BGP.	10/10
n/a	Working abuse contact We have no registry record to check.
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
n/a	Registry record maintained We have no change date for this record.

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/4842"><img src="https://ip-fd.net/badge/asn/4842/health.svg" alt="AS4842 network health on IP-FD.net"></a>

Markdown

[![AS4842 network health](https://ip-fd.net/badge/asn/4842/health.svg)](https://ip-fd.net/asn/4842)

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

Routing changes

Last 30 days

2026-10-04 18:46 UTC	Neighbour gone	AS39120	upstream
2026-10-04 18:46 UTC	Relationship changed	AS8359	upstream to peer
2026-10-04 18:46 UTC	Relationship changed	AS41095	upstream to peer
2026-10-04 18:46 UTC	Relationship changed	AS394256	upstream to peer
2026-10-04 18:46 UTC	New neighbour	AS20326	peer
2026-10-04 18:46 UTC	Relationship changed	AS137409	upstream to peer

Routing data

From the weekly collection

Registry record

From the nightly import

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/4842

const res = await fetch('https://ip-fd.net/api/v1/asn/4842', {
  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/4842', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/4842');
curl_setopt($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/4842", 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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AS24239	TWD2 Education and Research Network TWD2-NET-AS-AP
AS57175	Tianhai InfoTech Limited SAKURA-AS
AS135671	RBB InfoTech RBB-AS-AP
AS135674	Kano Network KANONETWORK-AS-JP
AS151464	Shanghai Luogu Network Technology Co., Ltd. LUOGU-AS-AP
AS209306	Sohanet SOHANET

AS1828	Unitas Global UNITAS
AS8359	MTS PJSC MTS
AS9002	RETN Limited RETN-AS
AS20326	TeraSwitch Networks Inc. TERASWITCH
AS24482	SG.GS SGGS-AS-AP
AS35280	F5 Networks SARL F5
AS36236	NetActuate, Inc NETACTUATE
AS41095	IPTP LTD IPTP
AS49544	i3D.net B.V i3Dnet
AS137409	GSL Networks Pty LTD GSLNETWORKS-AS-AP
AS394256	Tech Futures Interactive Inc. CLOUDSINGULARITY