Data as of Nov 10, 2026
221.54.173.0/24
1 residential-proxy exit · 30 daysSoftBank Corp.
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jul 2026
from AS17676 SoftBank Corp., after 1.1 years unannounced
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 11, 2026 – Nov 8, 2026
Exits seen per day
27 observations
Proxy providers listing exits
- AnyIP
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.48.0.0/12 since Jan 2026 | AS17676 | Residential | 503 33 always on | SOFTBANK Corp. |
Network & registry
Announced by
Covering announcement 221.54.0.0/16
- Prefix
- 221.54.0.0/16
- Announced by
- AS17676 SoftBank Corp.
- Type
- Residential
- Proxy exits
- 22
- RPKI
- RPKI valid
- Netname
- BBTEC
- Registrant
- SOFTBANK Corp.
- RIR
- APNIC
Origin network
AS17676
JP
- Name
- SoftBank Corp.
- Type
- Internet provider
- Registered
- Mar 26, 2001
- Domain
- softbank.jp
- Website
- www.softbank.jp/en/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
221.54.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.48.0.0/12 | AS17676 | /16 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 221.
48. 0. 0/ 12 - Netname
- BBTEC
- Registrant
- SOFTBANK Corp.
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 19, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Jan 15, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
e. softbank. co. jp - Name
- ABUSE SOFTBANKJP
- Handle
- AS2391-AP