AS9355
National Institute of Information and Communications Technology
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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: JPIX TOKYO
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 133.140.0.0/16 | 65.5K |
0.0%
|
National Institute of Information and Communications Technology | JP | — | — |
| 133.243.0.0/16 | 65.5K |
17.9%
|
National Institute of Information and Communications Technology | JP | Kanagawa | Aoba |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS9355 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 |
|---|---|---|
| 133.140.0.0/16 | 3,875 | 2026-07-24 16:00:45 |
| 133.243.0.0/16 | 3,827 | 2026-07-24 16:00:45 |
Frequently Asked Questions
What is AS9355?
AS9355 is an Autonomous System Number assigned to National Institute of Information and Communications Technology. 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 AS9355 announce?
AS9355 announces 131.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Japan.
Who operates AS9355?
AS9355 is operated by National Institute of Information and Communications Technology. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS9355 registered in?
AS9355 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
