Data as of Nov 7, 2026
217.75.221.0/24
17 residential-proxy exits · 30 daysISP Alliance a.s.
Residential-proxy exits
Proxy exits
17
6.6% of its addresses · 30 days
Always-on exits
2
12% of its exits
Providers
48
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
5.8K observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- Geonix
- GonzoProxy
- HydraProxy
- IPFly
- IPOasis
- IPRoyal
- Infatica
- LemonBright
- LightningProxies
- MangoProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyStyler
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- StrikeProxy
- Thordata
- ThunderProxy
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
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 |
|---|---|---|---|---|---|---|
| 217.75.208.0/20 | 4,096 | CZ-GRAPESC-20031007 | ISP Alliance a.s. (ORG-GSA22-RIPE) · CZ | ALLOCATED PA | Oct 7, 2003 | abuse@ |
| └ 217.75.221.0/24 | 256 | CCENTER_ | CC INTERNET s.r.o. (ORG-CIS53-RIPE) | ASSIGNED PA | May 2, 2022 | poruchy@ |
Network & registry
Announced by
Covering announcement 217.75.208.0/20
- Prefix
- 217.75.208.0/20
- Announced by
- AS210712 ISP Alliance a.s.
- Type
- Residential
- Proxy exits
- 150
- Always-on exits
- 18
- RPKI
- RPKI valid
- Netname
- CZ-GRAPESC-20031007
- Registrant
- ISP Alliance a.s.
- RIR
- RIPE NCC
Origin network
AS210712
CZ
- Name
- ISP Alliance a.s.
- Type
- Internet provider
- Registered
- Sep 24, 2021
- Domain
- ispalliance.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 217.75.208.0/20
217.75.208.0/20
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jan 2026 · 10 mo
- Origin networks
- 3
- Last change of origin
- Jan 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 217.75.208.0/20 | AS47232 | /32 | RIPE | Another network |
| 217.75.208.0/20 | AS210712 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 217.
75. 208. 0/ 20 - Netname
- CZ-GRAPESC-20031007
- Registrant
- ISP Alliance a.s.
- Registrant country
- CZ
- Organization
- ISP Alliance a.s. (ORG-GSA22-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Oct 7, 2003
- Updated
- Aug 3, 2023
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Oct 7, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ispalliance. cz - Name
- ISPalliance Abuse
- Handle
- IA3261-RIPE