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Autonomous System

AS133731

Cloudie Limited

Announced IPs
3,584
CIDR prefixes
9
ASN
AS133731

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.

65/100
Moderate
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 Content
Traffic level 10-20Gbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Open

Present at 3 internet exchanges: DE-CIX Hamburg: DE-CIX Hamburg Peering LAN, DE-CIX Munich: DE-CIX Munich Peering LAN, HKIX: HKIX Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
103.231.12.0/22 1.0K
84.9%
Cloudie Limited HK
43.240.12.0/23 512
69.3%
Cloudie Limited HK
103.39.108.0/23 512
96.5%
Cloudie Limited HK
103.51.144.0/23 512
77.1%
Cloudie Limited HK
103.231.14.0/23 512
93.0%
Cloudie Limited HK
43.240.15.0/24 256
70.7%
Cloudie Limited HK
82.23.246.0/24 256
0.0%
Cloudie Limited GB
103.39.111.0/24 256
96.9%
Cloudie Limited HK
103.51.147.0/24 256
71.5%
Cloudie Limited HK

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS133731 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.51.144.0/22 1,835,451 2026-09-10 20:48:16
103.231.12.0/22 1,792,561 2026-09-10 20:48:56
103.39.111.0/24 238,549 2026-09-03 16:30:13
103.39.108.0/24 186,793 2026-09-10 12:21:40
103.231.14.0/24 145,809 2026-08-28 06:51:05
43.240.12.0/22 145,247 2026-09-10 20:58:24
103.39.108.0/22 144,843 2026-09-10 20:52:41
103.51.144.0/24 139,810 2026-08-23 18:42:05
103.231.15.0/24 48,001 2026-09-10 18:08:21
43.240.15.0/24 37,797 2026-09-10 19:51:37
43.240.13.0/24 37,615 2026-08-10 23:54:39
103.231.12.0/24 34,920 2026-08-23 14:55:03
82.23.246.0/24 19,373 2026-09-10 20:51:17
43.240.12.0/23 13,066 2026-09-10 19:51:37
103.51.147.0/24 11,949 2026-08-18 17:30:22
103.231.14.0/23 11,878 2026-09-10 18:08:21
103.231.12.0/23 11,856 2026-09-10 18:08:21
103.51.146.0/23 9,879 2026-09-10 20:12:39
103.51.144.0/23 9,869 2026-09-10 20:12:39
103.39.110.0/23 8,829 2026-09-10 18:32:06
103.39.108.0/23 8,443 2026-09-10 18:08:21
43.240.12.0/24 4,996 2026-09-10 20:46:36
103.39.109.0/24 3,984 2026-08-05 05:51:19
103.231.13.0/24 537 2026-08-22 14:10:33
43.240.14.0/24 29 2026-08-22 14:09:41
103.231.86.0/24 7 2026-06-29 16:03:52
103.231.85.0/24 5 2026-06-29 16:03:52

Frequently Asked Questions

What is AS133731?

AS133731 is an Autonomous System Number assigned to Cloudie 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 AS133731 announce?

AS133731 announces 3.6K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS133731?

AS133731 is operated by Cloudie Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS133731 registered in?

AS133731 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: 2026-09-10 20:56:06 UTC
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