AS151385
Japanet Holdings Co.,Ltd.
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 2 internet exchanges: BBIX Tokyo, BBIX Osaka
AS151385 — global IP footprint
Cities where AS151385 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 157.66.22.0/23 | 512 |
0.0%
|
Japanet Holdings Co.,Ltd. | JP | Nagasaki | Nagasaki |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS151385 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 |
|---|---|---|
| 157.66.22.0/23 | 6,366 | 2026-08-03 11:54:52 |
Frequently Asked Questions
What is AS151385?
AS151385 is an Autonomous System Number assigned to Japanet Holdings Co.,Ltd.. 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 AS151385 announce?
AS151385 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Japan.
Who operates AS151385?
AS151385 is operated by Japanet Holdings Co.,Ltd.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS151385 registered in?
AS151385 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
