Data as of Nov 10, 2026
221.121.210.0/24
1 anonymizer address · 0.39% · VPN2 residential-proxy exits · 30 daysCommunity Network Center Incorporated. · space held by Community Network Center Inc.
Residential-proxy exits
Proxy exits
2
0.78% of its addresses · 30 days
Always-on exits
1
50% of its exits
Providers
21
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
493 observations
- VPN · anonymizer
- Residential
Proxy providers listing exits
- Ake.net
- BottingTools
- Byteful
- CatProxies
- DataImpulse
- EnigmaProxy
- FastProxy
- IPFly
- IPRoyal
- LemonBright
- NextProxy
- NovaProxy
- PacketStream
- PrivateProxy
- ProxyEmpire
- ProxyRack
- ProxyWing
- Proxying
- PuraRoute
- Shifter
- SpyderProxy
IPv4 market
Path
1 · Holder
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 221.121.210.0/24 | /24s |
|---|---|---|---|
| VPN Gate | University of Tsukuba | 10.39% | 1 |
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 221.121.208.0/20
- Prefix
- 221.121.208.0/20
- Announced by
- AS17698 Community Network Center Incorporated.
- Type
- Residential
- Anonymizer addresses
- 1 addresses · 0.02%VPN
- Operator
- VPN servicesoperated by VPN Gate
- Proxy exits
- 22
- Always-on exits
- 6
- RPKI
- RPKI valid
- Netname
- CNCI-CIDR-BLK-JP
- Registrant
- Community Network Center Inc.
- RIR
- APNIC
Origin network
AS17698
JP
- Name
- Community Network Center Incorporated.
- Type
- Internet provider
- Registered
- Mar 26, 2001
- Domain
- cnci.co.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 221.121.208.0/20
221.121.208.0/20
Routing history
- Pattern
- Stable
- First seen
- Jul 2005
- Current origin since
- Jul 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 221.121.192.0/18 | AS17698 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 221.
121. 192. 0/ 18 - Netname
- CNCI-CIDR-BLK-JP
- Registrant
- Community Network Center Inc.
- Registrant country
- JP
- Organization
- Community Network Center Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 3, 2009
- RIR
- APNIC
- Country
- JP
- Delegated
- May 27, 2005
- Status
- assigned
Report abuse
Abuse contact
- nic@
cnci. co. jp