Data as of Nov 3, 2026
210.133.112.0/21
No anonymizer space · no proxy exits in 30 daysSMARTVALUE Co.,Ltd. · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.133.112.0/20 since May 2005 | AS23619 | Business | 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 |
|---|---|---|---|---|---|---|
| 210.128.0.0/13 | 524,288 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 210.128.0.0/13
- Registration type
- ALLOCATED PORTABLE
Origin network
AS23619
JP
- Name
- SMARTVALUE Co.,Ltd.
- Type
- Business
- Registered
- Jan 31, 2003
- Domain
- smartvalue.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
- Nov 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23619 | NTTCOM | Smartvalue Co.,Ltd. maintainer | MAINT-JP-SMARTVALUE | Oct 16, 2017 |
Whois
Registration for this announcement
- Range
- 210.133.112.0/20
- Netname
- SAKURANET-CIDR-BLK-JP
- Registrant
- WingArcNEX Inc.
- Registrant country
- JP
- Organization
- WingArcNEX Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jun 9, 2026
- RIR
- APNIC
- Country
- JP
- Delegated
- Aug 16, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]