$ query “AS59103” --type=asn → 1 result(s)

AS59103 · SOFTETHER

SoftEther Corporation

AS59103 is owned by SoftEther Corporation and is a mid-size transit provider, registered in Japan. The system announces 2 048 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Japan.

Basic Information

Country
🇯🇵 Japan
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
8 / 4
IPv6 Prefixes (raw / aggregated)
7 / 2
IPv4 Addresses
2 048
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/34
Geolocated Countries
🇯🇵 Japan (2 048 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Downstream Customers
16 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
21 unique BGP neighbors
Reach
54 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (8 total)

  • 202.222.12.0/22 (1 024 addresses (/22 prefix))
  • 103.41.62.0/23 (512 addresses (/23 prefix))
  • 103.41.61.0/24 (256 addresses (/24 prefix))
  • 219.100.36.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (7 total)

  • 2401:af80:8000::/34
  • 2401:af80:c000::/40