Data as of Nov 7, 2026
185.15.253.0/24
1 residential-proxy exit · 30 daysO2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
18
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
95 observations
Proxy providers listing exits
- 2Captcha
- BirdProxies
- ByteProxies
- Byteful
- EnigmaProxy
- FlashProxy
- GSocks
- Geonix
- GonzoProxy
- Infatica
- MangoProxy
- NodeProxy
- NovaProxy
- Proxy-Seller
- ProxyEmpire
- Proxyma
- Shifter
- VitalExclusive
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 |
|---|---|---|---|---|---|---|
| 185.15.252.0/22 | 1,024 | CZ-CZNET-20130117 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Nov 23, 2020 | abuse@ |
| └ 185.15.253.0/26 | 64 | SPORKNET | SporkNeT s.r.o. | ASSIGNED PA | Jan 23, 2013 | abuse@ via CZ-CZNET-20130117 |
| └ 185.15.253.128/29 | 8 | SPORKNET | SporkNeT s.r.o. | ASSIGNED PA | Oct 30, 2015 | abuse@ via CZ-CZNET-20130117 |
| └ 185.15.253.136/29 | 8 | SPORKNET-GRENA | Grena a.s. | ASSIGNED PA | Oct 30, 2015 | abuse@ via CZ-CZNET-20130117 |
| └ 185. | 112 | SPORKNET | SporkNeT s.r.o. | ASSIGNED PA | Oct 30, 2015 | abuse@ via CZ-CZNET-20130117 |
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 | |
|---|---|---|---|---|
| Business | 192 | 75% | 4 | |
| Residential | 64 | 25% | 1 |
Network & registry
Announced by
Covering announcement 185.15.252.0/22
- Prefix
- 185.15.252.0/22
- Announced by
- AS16246 O2 Czech Republic, a.s.
- Type
- Residential
- Proxy exits
- 17
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20130117
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Origin network
AS16246
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- Feb 7, 2001
- Domain
- o2.cz
- Website
- www.nej.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 185.15.252.0/22
185.15.252.0/22
Routing history
- Pattern
- Rotating
- First seen
- Feb 2013
- Current origin since
- Sep 2022 · 4.1 yr
- Origin networks
- 2
- Last change of origin
- Sep 2022
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.15.252.0/22 | AS16246 | /22 | RIPE | RPKI valid |
IRR
Route objects on 185.15.252.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16246 | RIPE | SPORKNET | KTVTRINEC-MNT | Sep 25, 2022 |
Whois
Registration for this announcement
- Range
- 185.
15. 252. 0/ 22 - Netname
- CZ-CZNET-20130117
- Registrant
- O2 Czech Republic, a.s.
- Registrant country
- CZ
- Organization
- O2 Czech Republic, a.s. (ORG-STAN1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Nov 23, 2020
- Updated
- Jun 20, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jan 17, 2013
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE