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Autonomous System

AS133771

Rapid Shield Company Limited

Announced IPs
14,336
CIDR prefixes
5
ASN
AS133771

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 →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
138.43.32.0/20 4.1K
0.0%
Rapid Shield Company Limited HK
207.174.176.0/20 4.1K
0.0%
Rapid Shield Company Limited HK
216.108.240.0/20 4.1K
0.0%
Rapid Shield Company Limited HK
207.174.184.0/21 2.0K
0.0%
Rapid Shield Company Limited HK
103.198.56.0/22 1.0K
80.7%
Rapid Shield Company Limited HK
116.251.252.0/22 1.0K
86.8%
Rapid Shield Company Limited HK
138.43.36.0/22 1.0K
0.0%
Rapid Shield Company Limited HK
138.43.40.0/22 1.0K
0.0%
Rapid Shield Company Limited HK
207.174.180.0/22 1.0K
0.0%
Rapid Shield Company Limited HK
103.198.56.0/23 512
0.0%
Rapid Shield Company Limited HK
103.198.58.0/23 512
0.0%
Rapid Shield Company Limited JP
116.251.252.0/23 512
0.0%
Rapid Shield Company Limited JP
138.43.34.0/23 512
0.0%
Rapid Shield Company Limited HK
138.43.44.0/23 512
0.0%
Rapid Shield Company Limited HK
207.174.178.0/23 512
0.0%
Rapid Shield Company Limited JP
116.251.254.0/24 256
0.0%
Rapid Shield Company Limited JP
116.251.255.0/24 256
0.0%
Rapid Shield Company Limited NZ
138.43.32.0/24 256
0.0%
Rapid Shield Company Limited JP
138.43.33.0/24 256
0.0%
Rapid Shield Company Limited HK
138.43.46.0/24 256
0.0%
Rapid Shield Company Limited HK
138.43.47.0/24 256
0.0%
Rapid Shield Company Limited JP
207.174.176.0/24 256
0.0%
Rapid Shield Company Limited JP
207.174.177.0/24 256
0.0%
Rapid Shield Company Limited HK

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS133771 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.108.240.0/23 20,777 2026-07-31 07:24:47
216.108.240.0/24 18,469 2026-07-31 07:20:21
216.108.242.0/24 14,411 2026-06-23 12:01:42
216.108.240.0/20 13,484 2026-07-31 07:20:13
207.174.176.0/20 12,340 2026-07-31 07:20:13
103.198.56.0/22 11,886 2026-07-31 07:19:50
116.251.252.0/22 11,338 2026-07-31 07:20:13
138.43.32.0/20 11,018 2026-07-31 07:20:13
207.174.185.0/24 6,007 2026-06-10 03:09:35
216.108.241.0/24 3,520 2026-06-23 08:22:41
207.174.186.0/24 3,506 2026-06-10 02:29:18
216.108.251.0/24 3,009 2026-07-24 06:19:52
216.108.242.0/23 2,884 2026-07-31 07:20:19
207.174.176.0/23 185 2026-07-23 06:22:58

Frequently Asked Questions

What is AS133771?

AS133771 is an Autonomous System Number assigned to Rapid Shield Company 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 AS133771 announce?

AS133771 announces 14.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Hong Kong.

Who operates AS133771?

AS133771 is operated by Rapid Shield Company Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.

What country is AS133771 registered in?

AS133771 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: 2026-07-31 07:25:30 UTC
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