Data as of Nov 13, 2026
89.190.46.0/24
1 residential-proxy exit · 30 daysO2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
3
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
16 observations
Proxy providers listing exits
- FastProxy
- LemonBright
- ThunderProxy
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 |
|---|---|---|---|---|---|---|
| 89. | 6,144 | CZ-CZNET-20030327 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | May 29, 2018 | abuse@ |
| └ 89.190.46.0/23 | 512 | SELFNET-CZ | itself CATV Zidlochovice | ASSIGNED PA | Oct 10, 2007 | abuse@ via CZ-CZNET-20030327 |
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
Announced by
Covering announcement 89.190.40.0/21
- Prefix
- 89.190.40.0/21
- Announced by
- AS12570 O2 Czech Republic, a.s.
- Type
- Residential
- Proxy exits
- 18
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- CZ-CZNET-20030327
- Registrant
- O2 Czech Republic, a.s.
- RIR
- RIPE NCC
Origin network
AS12570
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- Jul 28, 1999
- Domain
- o2.cz
- Website
- www.itself.cz/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 89.190.40.0/21
89.190.40.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2018
- Current origin since
- May 2018 · 8.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 89.190.40.0/21 | AS12570 | /21 | RIPE | RPKI valid |
IRR
Route objects on 89.190.40.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12570 | RIPE | MNET-IP-MNT | May 17, 2018 |
Whois
Registration for this announcement
- Range
- 89.
190. 40. 0 - 89. 190. 63. 255 - Netname
- CZ-CZNET-20030327
- 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
- May 29, 2018
- Updated
- Jun 20, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jun 6, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE