Data as of Nov 3, 2026
133.167.21.0/24
No anonymizer space · no proxy exits in 30 daysSAKURA Internet Inc. · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 133.167.0.0/16 since Jun 2015 | AS9371 | Hosting | 9 | Japan Network Information Center |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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 | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 133.0.0.0/8
- Registration type
- ALLOCATED PORTABLE
Origin network
AS9371
JP
- Name
- SAKURA Internet Inc.
- Type
- Hosting
- Registered
- Aug 17, 1998
- Domain
- sakura.ad.jp
- Website
- www.sakura.ad.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2021
- Current origin since
- Jan 2021 · 5.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 133.167.0.0/16 | AS9371 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 133.167.21.0/24
- Netname
- SAKURA-NET
- Registrant
- SAKURA Internet Inc.
- Registrant country
- JP
- Organization
- SAKURA Internet Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Feb 7, 2017
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 1, 1997
- Status
- assigned