Data as of Nov 9, 2026
212.4.132.0/24
6 residential-proxy exits · 30 daysJiri Sperl · space held by O2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
6
2.3% of its addresses · 30 days
Always-on exits
2
33% of its exits
Providers
43
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
13K observations
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- Decodo
- Evomi
- FastProxy
- FlashProxy
- GSocks
- Geonix
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- IPOasis
- IPRoyal
- Infatica
- InfiniteProxies
- LemonBright
- MangoProxy
- Maskify
- NodeProxy
- NovaProxy
- Oxylabs
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- Shifter
- StrikeProxy
- Thordata
- ThunderProxy
- VitalData
- VitalExclusive
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.4.128.0/19 since Oct 2016 | AS12570 | Residential | 89 13 always on | O2 Czech Republic, a.s. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 212.4.128.0/19 | 8,192 | CZ-CZNET-20080611 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Jun 11, 2008 | abuse@ |
| └ 212.4.132.0/24 | 256 | SPERLNET-CZ | SPERLNET s.r.o. | ASSIGNED PA | Jan 12, 2009 | abuse@ via CZ-CZNET-20080611 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- O2 Czech Republic, a.s.
- Handle
- ORG-STAN1-RIPE
- Range
- 212.
4. 128. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Jun 11, 2008
Origin network
AS51424
CZ
- Name
- Jiri Sperl
- Type
- Internet provider
- Registered
- Aug 20, 2010
- Domain
- agnet.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2022
- Current origin since
- Jan 2022 · 4.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.4.132.0/24 | AS51424 | /24 | RIPE | RPKI valid |
| 212.4.128.0/19 | AS12570 | /19 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS51424 | RIPE | MNET-IP-MNT | Nov 24, 2020 |
Whois
Registration for this announcement
- Range
- 212.
4. 132. 0/ 24 - Netname
- SPERLNET-CZ
- Registrant
- SPERLNET s.r.o.
- Registrant country
- CZ
- Organization
- SPERLNET s.r.o.
- Org country
- CZ
- Type
- ASSIGNED PA
- Created
- Jan 12, 2009
- Updated
- Jan 12, 2009
- Maintainer
- MNET-IP-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jun 11, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE