AS153891
CloudSIM Corporation 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 |
|---|---|---|---|---|---|---|
| 165.99.64.0/23 | 512 |
0.0%
|
CloudSIM Corporation Ltd. | TW | Taoyuan | Taoyuan |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS153891 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 |
|---|---|---|
| 165.99.65.0/24 | 317,737 | 2026-08-03 15:17:34 |
| 165.99.64.0/24 | 317,687 | 2026-08-03 15:17:34 |
| 165.99.64.0/23 | 317,026 | 2026-08-03 15:17:34 |
Frequently Asked Questions
What is AS153891?
AS153891 is an Autonomous System Number assigned to CloudSIM Corporation 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 AS153891 announce?
AS153891 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Taiwan.
Who operates AS153891?
AS153891 is operated by CloudSIM Corporation Ltd.. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.
What country is AS153891 registered in?
AS153891 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
