AS55591
Korea Institute for Curriculum and Evaluation
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 |
|---|---|---|---|---|---|---|
| 103.153.44.0/23 | 512 |
7.4%
|
Korea Institute for Curriculum and Evaluation | KR | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS55591 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 |
|---|---|---|
| 103.153.45.0/24 | 8,379 | 2026-08-03 09:44:33 |
| 103.153.44.0/24 | 8,199 | 2026-08-03 09:40:12 |
Frequently Asked Questions
What is AS55591?
AS55591 is an Autonomous System Number assigned to Korea Institute for Curriculum and Evaluation. 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 AS55591 announce?
AS55591 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in South Korea.
Who operates AS55591?
AS55591 is operated by Korea Institute for Curriculum and Evaluation. The organization is based in South Korea. You can view all IP ranges and related ASNs on the organization page.
What country is AS55591 registered in?
AS55591 is registered in South Korea. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
