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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 103.244.52.0/23 | 512 |
8.6%
|
i4HK Limited | HK | — | — |
| 43.251.35.0/24 | 256 |
93.8%
|
i4HK Limited | HK | — | — |
| 43.252.171.0/24 | 256 |
87.1%
|
i4HK Limited | HK | — | — |
| 122.115.77.0/24 | 256 |
95.7%
|
i4HK Limited | CN | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS133027 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 43.252.171.0/24 | 10,742 | 2026-07-24 00:02:16 |
| 43.251.35.0/24 | 10,578 | 2026-07-24 00:02:16 |
| 122.115.77.0/24 | 3,862 | 2026-07-13 06:46:18 |
Frequently Asked Questions
What is AS133027?
AS133027 is an Autonomous System Number assigned to i4HK 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 AS133027 announce?
AS133027 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS133027?
AS133027 is operated by i4HK Limited. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS133027 registered in?
AS133027 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
