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 →
About SoftEther Corporation
SoftEther Corporation is a Japanese software company. It was founded as an industry-academia-government venture in April 2004 by University of Tsukuba students, with the goal to develop the software of the same name, SoftEther VPN.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 202.222.12.0/22 | 1.0K |
99.1%
|
SoftEther Corporation | JP | Shizuoka | Usami |
| 103.41.62.0/23 | 512 |
90.0%
|
SoftEther Corporation | JP | — | — |
| 219.97.64.0/23 | 512 |
88.1%
|
SoftEther Corporation | JP | — | — |
| 103.41.61.0/24 | 256 |
88.7%
|
SoftEther Corporation | JP | — | — |
| 219.100.36.0/24 | 256 |
94.9%
|
SoftEther Corporation | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS59103 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 |
|---|---|---|
| 202.222.15.0/24 | 31,928 | 2026-07-26 01:21:28 |
| 202.222.13.0/24 | 31,917 | 2026-07-26 01:21:28 |
| 202.222.12.0/24 | 31,896 | 2026-07-26 01:21:28 |
| 202.222.14.0/24 | 31,894 | 2026-07-26 01:21:28 |
| 103.41.61.0/24 | 6,525 | 2026-07-26 01:21:28 |
| 103.41.63.0/24 | 4,639 | 2026-07-26 01:21:28 |
| 103.41.62.0/24 | 4,625 | 2026-07-26 01:21:28 |
| 219.97.64.0/23 | 4,200 | 2026-07-26 01:30:47 |
| 219.100.36.0/24 | 4,197 | 2026-07-26 01:21:28 |
Frequently Asked Questions
What is AS59103?
AS59103 is an Autonomous System Number assigned to SoftEther Corporation. 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 AS59103 announce?
AS59103 announces 2.6K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Japan.
Who operates AS59103?
AS59103 is operated by SoftEther Corporation. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS59103 registered in?
AS59103 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
