Data as of Nov 11, 2026
91.201.20.0/23
2 residential-proxy exits · 30 daysALFA TELECOM s.r.o.
Residential-proxy exits
Proxy exits
2
0.39% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
20
selling exits here
Oct 12, 2026 – Nov 10, 2026
Exits seen per day
456 observations
Proxy providers listing exits
- 711Proxy
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- Evomi
- FlashProxy
- Geonode
- GoProxies
- GonzoProxy
- Infatica
- LemonBright
- Maskify
- Oxylabs
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- StrikeProxy
- Thordata
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 |
|---|---|---|---|---|---|---|
| 91.201.20.0/22 | 1,024 | CZ-ALFATELECOM-20080123 | ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZ | ALLOCATED PA | Jan 23, 2008 | abuse@ |
| └ 91.201.20.0/23 | 512 | ALFATELECOM-NET | ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZ | ASSIGNED PA | Aug 15, 2013 | abuse@ |
Network & registry
Announced by
Covering announcement 91.201.20.0/22
- Prefix
- 91.201.20.0/22
- Announced by
- AS44546 ALFA TELECOM s.r.o.
- Type
- Residential
- Proxy exits
- 7
- RPKI
- RPKI valid
- Netname
- CZ-ALFATELECOM-20080123
- Registrant
- ALFA TELECOM s.r.o.
- RIR
- RIPE NCC
Origin network
AS44546
CZ
- Name
- ALFA TELECOM s.r.o.
- Type
- Internet provider
- Registered
- Feb 5, 2008
- Domain
- alfatelecom.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 91.201.20.0/22
91.201.20.0/22
Routing history
- Pattern
- Stable
- First seen
- Feb 2008
- Current origin since
- Feb 2008 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 91.201.20.0/22 | AS44546 | /24 | RIPE | RPKI valid |
IRR
Route objects on 91.201.20.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS44546 | RIPE | IP-AS.COM | RIPE-DB-MNT | Jul 1, 2022 |
Whois
Registration for this announcement
- Range
- 91.
201. 20. 0/ 22 - Netname
- CZ-ALFATELECOM-20080123
- Registrant
- ALFA TELECOM s.r.o.
- Registrant country
- CZ
- Organization
- ALFA TELECOM s.r.o. (ORG-ATS13-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jan 23, 2008
- Updated
- May 16, 2023
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jan 23, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
alfatelecom. cz - Name
- Alfa Telecom s.r.o. NOC
- Handle
- ATCZ-RIPE