AS18181
National Health Research Institutes
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
- Academic allocation +6
- Trust score 71 / 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 |
|---|---|---|---|---|---|---|
| 211.76.160.0/20 | 4.1K |
68.0%
|
National Health Research Institutes | TW | Miaoli | Zhunan |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18181 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 |
|---|---|---|
| 211.76.160.0/20 | 9,992 | 2026-07-30 23:48:12 |
| 211.76.160.0/21 | 4,429 | 2026-07-30 23:32:42 |
| 211.76.168.0/21 | 4,414 | 2026-07-30 23:32:42 |
Frequently Asked Questions
What is AS18181?
AS18181 is an Autonomous System Number assigned to National Health Research Institutes. 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 AS18181 announce?
AS18181 announces 4.1K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Taiwan.
Who operates AS18181?
AS18181 is operated by National Health Research Institutes. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.
What country is AS18181 registered in?
AS18181 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
