Data as of Nov 12, 2026
211.131.28.0/24
No anonymizer space · no proxy exits in 30 daysSoftBank Corp. · space held by 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 |
|---|---|---|---|---|---|---|
| 211. | 1,048,576 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 211.131.0.0/16
- Prefix
- 211.131.0.0/16
- Announced by
- AS4725 SoftBank Corp.
- Type
- Residential
- Proxy exits
- 150
- Always-on exits
- 11
- RPKI
- No RPKI
- Netname
- ULTINA-CIDR-BLK-JP
- Registrant
- SoftBank Corp.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 211.
120. 0. 0 - 211. 135. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4725
JP
- Name
- SoftBank Corp.
- Type
- Internet provider
- Registered
- Aug 30, 1995
- Domain
- softbank.jp
- Website
- www.softbank.jp/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 211.131.0.0/16
211.131.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 211.
131. 0. 0/ 16 - Netname
- ULTINA-CIDR-BLK-JP
- Registrant
- SoftBank Corp.
- Registrant country
- JP
- Organization
- SoftBank Corp.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 11, 2024
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 27, 2000
- Status
- assigned
Report abuse
Abuse contact
- net-abuse@
odn. ad. jp