AS138545
Zero Cirrus Cloud Computing (Shanghai) Co., Ltd.
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
- Hosting allocation −6
- Trust score 59 / 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 |
|---|---|---|---|---|---|---|
| 103.147.198.0/23 | 512 |
0.0%
|
Zero Cirrus Cloud Computing Shanghai Co., Ltd. | CN | — | — |
| 103.147.198.0/24 | 256 |
0.0%
|
Zero Cirrus Cloud Computing Shanghai Co., Ltd. | HK | — | — |
| 103.147.199.0/24 | 256 |
0.0%
|
Zero Cirrus Cloud Computing Shanghai Co., Ltd. | TW | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS138545 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 |
|---|---|---|
| 103.147.199.0/24 | 17,786 | 2026-08-04 04:05:16 |
| 103.147.198.0/23 | 11,356 | 2026-08-04 04:05:18 |
| 103.147.198.0/24 | 2,854 | 2026-08-04 00:14:11 |
Frequently Asked Questions
What is AS138545?
AS138545 is an Autonomous System Number assigned to Zero Cirrus Cloud Computing (Shanghai) Co., Ltd.. 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 AS138545 announce?
AS138545 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Hong Kong.
Who operates AS138545?
AS138545 is operated by Zero Cirrus Cloud Computing Shanghai Co., Ltd.. The organization is based in Hong Kong. You can view all IP ranges and related ASNs on the organization page.
What country is AS138545 registered in?
AS138545 is registered in Hong Kong. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
