Data as of Nov 14, 2026
46.183.56.0/21
4 residential-proxy exits · 30 daysO2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
4
0.20% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Providers
7
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
17 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 46.183.56.0/24 | 0 | 2 | |
| 46.183.57.0/24 | 0 | 1 | |
| 46.183.58.0/24 | 0 | 1 |
Proxy providers listing exits
- Ake.net
- Decodo
- LemonBright
- Proxiware
- RainProxy
- Shifter
- ThunderProxy
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 |
|---|---|---|---|---|---|---|
| 46.183.56.0/21 | 2,048 | CZ-CZNET-20101202 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Apr 1, 2025 | abuse@ |
| └ 46.183.58.128/27 | 32 | CZ-NORDICTELECOMREGIONAL-20101202 | unknown | ASSIGNED PA | Apr 6, 2011 | abuse@ via CZ-CZNET-20101202 |
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
Origin network
AS42908
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- May 9, 2007
- Domain
- nordictelecom.cz
- Website
- www.nordictelecom.cz/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2011
- Current origin since
- Dec 2024 · 1.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2024
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 46.
183. 56. 0/ 21 - Netname
- CZ-CZNET-20101202
- 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
- Apr 1, 2025
- Updated
- Apr 1, 2025
- Maintainer
- AS5610-MTN
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Dec 2, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuse@
o2. cz - Name
- Abuse-C Role
- Handle
- AR14410-RIPE