AS18183
National Center for Research on Earthquake Engineering
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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: FOX
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 61.56.0.0/20 | 4.1K |
26.5%
|
National Center for Research on Earthquake Engineering | TW | — | — |
| 202.5.12.0/22 | 1.0K |
6.3%
|
National Center for Research on Earthquake Engineering | TW | — | — |
| 103.189.132.0/23 | 512 |
0.0%
|
National Center for Research on Earthquake Engineering | TW | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS18183 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 |
|---|---|---|
| 61.56.4.0/24 | 27,120 | 2026-08-01 06:06:13 |
| 61.56.0.0/20 | 26,934 | 2026-08-01 06:06:13 |
| 202.5.12.0/22 | 26,899 | 2026-08-01 06:22:19 |
| 103.189.132.0/23 | 26,700 | 2026-08-01 06:06:13 |
| 61.56.8.0/21 | 6,610 | 2026-08-01 06:06:13 |
Frequently Asked Questions
What is AS18183?
AS18183 is an Autonomous System Number assigned to National Center for Research on Earthquake Engineering. 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 AS18183 announce?
AS18183 announces 5.6K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Taiwan.
Who operates AS18183?
AS18183 is operated by National Center for Research on Earthquake Engineering. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.
What country is AS18183 registered in?
AS18183 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
