Data as of Nov 10, 2026
133.237.232.0/24
No anonymizer space · no proxy exits in 30 daysRakuten Group, Inc. · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 133.237.0.0/16 since Apr 2013 | AS23820 | Business | 1 | Japan Network Information Center |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 133.0.0.0/8 | 16,777,216 | JPNIC-NET-JP-ERX | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 133.237.128.0/17
- Prefix
- 133.237.128.0/17
- Announced by
- AS23820 Rakuten Group, Inc.
- Type
- Business
- RPKI
- No RPKI
- Netname
- RAKUTEN-NET
- Registrant
- Rakuten,Inc.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 133.
0. 0. 0/ 8 - Registration type
- ALLOCATED PORTABLE
Origin network
AS23820
JP
- Name
- Rakuten Group, Inc.
- Type
- Business
- Registered
- Jun 16, 2003
- Domain
- rakuten.co.jp
- Website
- global.rakuten.com/corp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
133.237.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Apr 2013 · 14 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 133.
237. 0. 0/ 16 - Netname
- RAKUTEN-NET
- Registrant
- Rakuten,Inc.
- Registrant country
- JP
- Organization
- Rakuten,Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Sep 30, 2026
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned