Data as of Nov 8, 2026
217.144.21.0/24
1 residential-proxy exit · 30 daysSATRO s.r.o.
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
20
selling exits here
Oct 9, 2026 – Nov 7, 2026
Exits seen per day
625 observations
Proxy providers listing exits
- 2Captcha
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- FlashProxy
- GonzoProxy
- IPOasis
- Infatica
- LightningProxies
- MangoProxy
- NodeMaven
- Proxy-Cheap
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- VibeProxies
- VitalExclusive
- VitalProxy
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 |
|---|---|---|---|---|---|---|
| 217.144.16.0/20 | 4,096 | SK-SATRO-20040304 | SATRO s.r.o. (ORG-SS22-RIPE) · SK | ALLOCATED PA | Mar 4, 2004 | abuse@ |
| └ 217.144.21.0/24 | 256 | SATRO-CUSTOMERS | Satro, s.r.o. | LIR-PARTITIONED PA | Feb 16, 2017 | abuse@ via SK-SATRO-20040304 |
| └ 217.144.21.224/29 | 8 | NRSYS | Nrsys spol. s r.o. | ASSIGNED PA | Feb 21, 2011 | abuse@ via SATRO-CUSTOMERS |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
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 | 248 | 97% | 2 | |
| Business | 8 | 3.1% | 1 |
Network & registry
Announced by
Covering announcement 217.144.16.0/20
- Prefix
- 217.144.16.0/20
- Announced by
- AS31127 SATRO s.r.o.
- Type
- Residential
- Proxy exits
- 20
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- SK-SATRO-20040304
- Registrant
- SATRO s.r.o.
- RIR
- RIPE NCC
Origin network
AS31127
SK
- Name
- SATRO s.r.o.
- Type
- Internet provider
- Registered
- Mar 4, 2004
- Domain
- satro.sk
- Website
- www.satro.sk
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 217.144.16.0/20
217.144.16.0/20
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 |
|---|---|---|---|---|
| 217.144.16.0/20 | AS31127 | /21 | RIPE | RPKI valid |
IRR
Route objects on 217.144.16.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS31127 | RIPE | SATRO | SATRO-MNT | Dec 4, 2004 |
Whois
Registration for this announcement
- Range
- 217.
144. 16. 0/ 20 - Netname
- SK-SATRO-20040304
- Registrant
- SATRO s.r.o.
- Registrant country
- SK
- Organization
- SATRO s.r.o. (ORG-SS22-RIPE)
- Org country
- SK
- Type
- ALLOCATED PA
- Created
- Mar 4, 2004
- Updated
- Aug 30, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- SK
- Delegated
- Mar 4, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
satro. sk - Name
- SATRO s.r.o. role object
- Handle
- STRO-RIPE