$ query “AS133405” --type=asn → 1 result(s)
AS133405 · ADK-AS-AP
RETN Co. Ltd.
AS133405 is owned by RETN Co. Ltd. and is an enterprise stub network, based in Japan since 2018. The system announces 256 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Japan.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- June 21, 2018
- Last Changed
- May 10, 2026
- Last Seen
- May 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇯🇵 Japan (512 IPs)
- Prefix Changed
- April 17, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS9002 — RETN-AS
Prefix Lists
IPv4 Prefixes (1 total)
- 163.128.219.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2001:df6:edc0::/48