Data as of Nov 9, 2026
221.71.128.0/24
1 anonymizer address · 0.39% · VPN1 residential-proxy exit · 30 daysSoftBank Corp.
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Always-on exits
1
100% of its exits
Providers
20
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
1.9K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- BottingTools
- ByteProxies
- DataImpulse
- Decodo
- FloppyData
- GoProxies
- Infatica
- LemonBright
- Maskify
- Oxylabs
- PacketStream
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyRack
- Proxying
- Shifter
- Thordata
IPv4 market
Path
1 · Holder
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 221.71.128.0/24 | /24s |
|---|---|---|---|
| VPN Gate | University of Tsukuba | 10.39% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 221.64.0.0/11 since Aug 2006 | AS17676 | Residential | 1,912 33 always on | SOFTBANK Corp. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 255 | >99% | 2 | |
| VPNanonymizer | 1 | 0.39% | 1 |
Network & registry
Announced by
Covering announcement 221.71.0.0/16
- Prefix
- 221.71.0.0/16
- Announced by
- AS17676 SoftBank Corp.
- Type
- Residential
- Anonymizer addresses
- 6 addresses · <0.01%VPN
- Operator
- VPN servicesoperated by VPN Gate
- Proxy exits
- 340
- Always-on exits
- 30
- 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
221.71.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.71.0.0/16 | AS17676 | /24 | APNIC | RPKI valid |
| 221.64.0.0/13 | AS17676 | /13 | APNIC | Too specific |
| 221.64.0.0/12 | AS17676 | /12 | APNIC | Too specific |
| 221.64.0.0/11 | AS17676 | /11 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 221.
64. 0. 0/ 11 - 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