AS151630 Yun Zhong Technology Limited

AS151630Yun Zhong Technology LimitedDatacenter

WHOIS Topology

Hong Kong · APNIC

IPv4 addresses

6 656

26 announced prefixes

IPv6 addresses

—

0 announced prefixes

BGP neighbours

…

CAIDA rank

#6 513

Customer cone 3 ASNs

RPKI

62% valid

0 invalid · 10 not covered

Average purity

2 sampled IPs

IXPs / facilities

0 / 0

Operator self-reported

Allocated

2023-07-25

APNIC

History

How prefixes were announced and changed hands, registration changes, and outage or hijack incidents.

Loading routing history…

IP ranges

Currently announced prefixes with their RIR registration and geolocation.

Prefix	RPKI	Registration	Geolocation	Addresses
38.12.248.0/24	Not found	—	San Jose	256
38.12.249.0/24	Not found	—	San Jose	256
38.12.250.0/24	Not found	—	San Jose	256
38.12.251.0/24	Not found	—	San Jose	256
38.12.252.0/24	Not found	—	San Jose	256
38.12.253.0/24	Not found	—	San Jose	256
38.12.254.0/24	Not found	—	San Jose	256
38.12.255.0/24	Not found	—	San Jose	256
45.149.16.0/24	Valid	CN-WENZHOU-20190903RIPE	ChinaCross-border	256
45.149.17.0/24	Valid	CN-WENZHOU-20190903RIPE	ChinaCross-border	256
45.149.18.0/24	Valid	CN-WENZHOU-20190903RIPE	ChinaCross-border	256
45.149.19.0/24	Valid	CN-WENZHOU-20190903RIPE	ChinaCross-border	256
103.141.220.0/24	Valid	KONFO-HKAPNIC	Hong Kong	256
103.141.221.0/24	Valid	KONFO-HKAPNIC	Hong Kong	256
103.142.84.0/24	Valid	BAITELI-HKAPNIC	Hong Kong	256
103.142.85.0/24	Valid	BAITELI-HKAPNIC	Hong Kong	256
103.142.246.0/24	Valid	LINZHU-HKAPNIC	Hong Kong	256
103.142.247.0/24	Valid	LINZHU-HKAPNIC	Hong Kong	256
103.143.26.0/24	Valid	FLYFLY-HKAPNIC	Hong Kong	256
103.143.27.0/24	Valid	FLYFLY-HKAPNIC	Hong Kong	256

/24 block profile

One square per /24: colour shows the risk type, shade how many addresses are flagged, stripes mark datacenter blocks. Click a square to see all 256 addresses.

/24s with data 2 / 26 （8%） · flagged 1

No risk flagsDatacenter (no flags)ProxyVPNAbuse / blocklistTorDarker = more flagged addresses; dashed = block screen only

38.12.251.0/241/1 with data · 1 flagged

103.149.182.0/241/1 with data · 0 flagged

Hover a square for its numbers; click to see all 256 addresses.

Each prefix shows its 64 /24s with the most data. Built daily from lookups, neighbour sampling, public lists and block screening.

IP reputation

IPs from this network that CleanIP has analysed: purity, abuse reports and the riskiest /24 blocks.

Purity distribution

85–100 070–84 150–69 10–49 0

0.27%

Share of IPv4 reported or blocklisted

Listed IPs

Analysed IPs

Flagged = VPN, proxy, Tor or purity below 50. Samples come from user lookups and neighbour sampling, not every address in this network.

Geography

Where this network’s IPv4 addresses are located.

Hong Kong53.8%
United States30.8%
China15.4%

Scope: Regional
In registered country: 53.8%

Estimated by sampling IPv4 ranges against a geolocation database.

Observation du trafic

AS151630 · 7 derniers jours

Mobile vs ordinateur

Ordinateur98.6%Mobile1.4%

Robot vs humain

Humain1.1%Robot98.9%

Adoption et usage

Adoption et usage des principaux protocoles

Version du protocole Internet (IP)

IPv4> 99.9%IPv6< 0.1%

Version HTTP

HTTP/1.x

98.6%HTTP/2

1.2%HTTP/3

0.2%

HTTP vs HTTPS

99.1% HTTPS (chiffré)

HTTP en clair 0.9%

Version TLS

TLS 1.0/1.10%TLS 1.20.4%TLS 1.399.4%QUIC0.2%

Sécurité et attaques

Aperçu du trafic d'attaque sur les couches réseau et application

Attaques de couche 7

GET

100.0%

Annonces BGP

Annonces de routes BGP par heure sur les 7 derniers jours

86 303

Total sur 7 jours

4 328

Pic horaire

Données : Cloudflare Radar, sous licence CC BY-NC 4.0

Activity

Hourly traffic over the last 7 days, normalized to this network’s peak.

A pronounced day/night rhythm, typical of networks with human users.

	00						06						12						18
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Times in UTCLessMore

Peak hour: 09:00–10:00
Active hours: 3 hrs
Weekend vs weekday: Weekdays ≈ weekends
Busiest day: Thu

Chargement…

Opérateurs amont et voisins BGP

AS151630Page dédiée

Chargement des opérateurs amont et des voisins…

WHOIS record

The registry’s record for this AS number: holder, status, dates and contacts.

Sources

Where the information on this page comes from and when it was updated.

Information	Source	Updated
Registered country	RIR daily delegation statistics	2026-10-22
Organization & company country	AS-to-organization data	2026-10-22
Network type	CleanIP ASN canon	2026-10-22
Announced prefixes & BGP neighbours	Public BGP routing data	2026-10-22
IPv4 geography	Geolocation database	—
RPKI validation	RPKI ROA validation data	2026-10-22
Rank & customer cone	CAIDA AS Rank	2026-10-01
IP reputation	CleanIP lookups and neighbour sampling	—

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Recoupement multisource · Données de réputation internes · Uniquement des données réelles