Data as of Nov 3, 2026
Autonomous system
AS25163
21st Century Technologies Limited
Announces 4,096 addresses in 16 prefixes. None of it is anonymizer space.
Type
Internet provider
NG
Proxy activity, 30 days
23 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 80.248.0.0/24 since May 2005 | Internet provider | 2 | |
| 80.248.1.0/24 since May 2005 | Internet provider | 1 | |
| 80.248.2.0/24 since May 2005 | Internet provider | 2 | |
| 80.248.3.0/24 since May 2005 | Internet provider | 1 | |
| 80.248.4.0/24 since May 2005 | Internet provider | 2 | |
| 80.248.5.0/24 since May 2005 | Internet provider | 2 | |
| 80.248.6.0/24 since May 2005 | Internet provider | ||
| 80.248.7.0/24 since May 2005 | Unknown | ||
| 80.248.8.0/24 since May 2005 | Internet provider | 1 | |
| 80.248.9.0/24 since Oct 2016 | Internet provider | ||
| 80.248.10.0/24 since Jun 2005 | Internet provider | 6 | |
| 80.248.11.0/24 since Jun 2005 | Internet provider | 3 | |
| 80.248.12.0/24 since May 2005 | Internet provider | 2 | |
| 80.248.13.0/24 since May 2005 | Internet provider | ||
| 80.248.14.0/24 since May 2005 | Internet provider | 1 | |
| 80.248.15.0/24 since Jun 2005 | Unknown |
Residential-proxy exposure
Spread
11
/24s with at least one exit
Providers
36
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 80.248.10.0/24 | 0 | 6 | |
| 80.248.11.0/24 | 0 | 3 | |
| 80.248.0.0/24 | 0 | 2 | |
| 80.248.2.0/24 | 0 | 2 | |
| 80.248.4.0/24 | 0 | 2 | |
| 80.248.5.0/24 | 0 | 2 | |
| 80.248.12.0/24 | 0 | 2 | |
| 80.248.1.0/24 | 0 | 1 | |
| 80.248.3.0/24 | 0 | 1 | |
| 80.248.8.0/24 | 0 | 1 | |
| 80.248.14.0/24 | 0 | 1 |
Proxy providers listing exits
- Ake.net
- AnyIP
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- Evomi
- FastProxy
- FloppyData
- Geonode
- GonzoProxy
- IPFly
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- NovProxy
- Oxylabs
- Proxies.fo
- Proxiware
- ProxyEmpire
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Thordata
- ThunderProxy
- VitalExclusive
- Webshare
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS25163, day by day
329 observations
Network & history
Profile
- Registered
- Nov 11, 2020
- Domain
- 21ctl.com
- Website
- www.21ctl.com
- Industry
- Internet Service Provider (ISP)
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals