AS24287
National Institute of Informatics
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 |
|---|---|---|---|---|---|---|
| 192.50.12.0/24 | 256 |
44.1%
|
National Institute of Informatics | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS24287 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 |
|---|---|---|
| 192.50.12.0/24 | 4,748 | 2026-07-31 02:45:18 |
Frequently Asked Questions
What is AS24287?
AS24287 is an Autonomous System Number assigned to National Institute of Informatics. 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 AS24287 announce?
AS24287 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Japan.
Who operates AS24287?
AS24287 is operated by National Institute of Informatics. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS24287 registered in?
AS24287 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
