$ 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