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Autonomous System

AS63959

Hong Kong Syscloud Technology Limited

Announced IPs
1,280
CIDR prefixes
4
ASN
AS63959

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

59/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Enterprise
Traffic level 10-20Gbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS63959 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
45.113.34.0/24 13,213 2026-08-04 02:08:44
103.105.132.0/24 8,624 2026-08-04 02:08:33
45.113.32.0/24 5,483 2026-08-04 01:04:29
103.52.188.0/23 5,301 2026-08-04 01:12:14
103.52.189.0/24 5,207 2026-08-04 01:12:14
103.52.188.0/24 5,198 2026-08-04 01:12:14

Frequently Asked Questions

What is AS63959?

AS63959 is an Autonomous System Number assigned to Hong Kong Syscloud Technology Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS63959 announce?

AS63959 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS63959?

AS63959 is operated by Hong Kong Syscloud Technology Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS63959 registered in?

AS63959 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-04 02:10:31 UTC
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