AS133405
RETN Co., Ltd.
Scanned 3 days ago
📋 Summary
IP address summary information| Name | RETN Co., Ltd. |
| Country | JP |
| Website | RETN Co., Ltd. |
| IPv4 addresses | 256 |
| IPv6 addresses | ~2^81 |
| ASN type | Transit |
| Registry | APNIC |
| Allocated | Apr 13, 2026 |
| Updated | Apr 14, 2026 |
🗺️ Geolocation
Tokyo, JPCountries by IPv4 share
Geolocation based on WHOIS registration data.
📊 IP Ranges
IPv4: 1 | IPv6: 1| Netblock | IP Count |
|---|---|
| 2001:df6:edc0::/48 | 0 |
| 163.128.219.0/24 | 256 |
Prefix data from RIPE Stat / RIR allocation records.
📄 WHOIS
APNIC| Handle | AS133405 |
| Name | RETNKK-AS-AP |
| Organization | RETN Co., Ltd. |
| Country | JP |
| Status | active |
| Allocated | Apr 13, 2026 |
| Updated | Apr 14, 2026 |
Contacts
| Registrant | RETN Co., Ltd. <peering@retn.net> |
| Abuse Contact | IRT-RETNKK-JP <abuse@retn.net> |
| Admin Contact | RETN K K administrator <peering@retn.net> |
| Tech Contact | RETN K K administrator <peering@retn.net> |
| Phone | +85238454700 |
| Address | 6-2-31-1917 Toyosu, Koto-ku, Tokyo, 135-0061, Japan, Tokyo Koto-ku 135-0061 |
Source: APNIC
🔗 Peers
0 peers for this ASNNo peers found.
⬆️ Upstreams
1 upstream| ASN | Name |
|---|---|
| AS9002 | RETN-AS RETN Limited |
Upstream data from RIPE Stat routing history.
⬇️ Downstreams
0 downstreamsNo downstreams found.
🔒 RPKI / ROA
Source: rpki.zorn.ltd| Prefix | Origin ASN | Max Length | Validity |
|---|---|---|---|
| 163.128.219.0/24 | AS133405 | /24 | ✓ Valid |
RPKI validation powered by rpki.zorn.ltd (Routinator).