Data as of Nov 3, 2026
178.72.192.0/18
24 residential-proxy exits · 30 daysO2 Czech Republic, a.s.
Residential-proxy exits
Proxy exits
24
0.15% of its addresses · 30 days
Always-on exits
3
13% of its exits
Spread
14 of 64
/24s with at least one exit
Providers
67
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
2.5K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 178.72.246.0/24 | 1 | 4 | |
| 178.72.224.0/24 | 1 | 4 | |
| 178.72.205.0/24 | 1 | 1 | |
| 178.72.223.0/24 | 0 | 3 | |
| 178.72.233.0/24 | 0 | 2 | |
| 178.72.192.0/24 | 0 | 2 | |
| 178.72.200.0/24 | 0 | 1 | |
| 178.72.213.0/24 | 0 | 1 | |
| 178.72.207.0/24 | 0 | 1 | |
| 178.72.196.0/24 | 0 | 1 | |
| 178.72.244.0/24 | 0 | 1 | |
| 178.72.245.0/24 | 0 | 1 | |
| 178.72.194.0/24 | 0 | 1 | |
| 178.72.252.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- GeekProxy
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- HydraProxy
- IPFly
- IPOasis
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- LemonBright
- LightningProxies
- MangoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- PrivateProxy
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- Shifter
- SwiftProxy
- Thordata
- ThunderProxy
- VProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 178.72.192.0/19 since Mar 2018 | AS41046 | Residential | 11 1 always on | O2 Czech Republic, a.s. | |
| 178.72.224.0/19 since Mar 2018 | AS41046 | Residential | 13 2 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 |
|---|---|---|---|---|---|---|
| 178.72.192.0/18 | 16,384 | CZ-CZNET-20100318 | O2 Czech Republic, a.s. (ORG-STAN1-RIPE) · CZ | ALLOCATED PA | Dec 28, 2017 | [email protected] |
| └ 178.72.192.0/19 | 8,192 | NEJCZ_INTERNETHOME | unknown | ASSIGNED PA | Mar 28, 2018 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.224.0/21 | 2,048 | NEJCZ_INTERNETHOME | unknown | ASSIGNED PA | May 6, 2019 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.232.0/21 | 2,048 | NEJCZ_MORAVA | unknown | ASSIGNED PA | Apr 9, 2018 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.240.0/21 | 2,048 | NEJCZ_OSTRAVA | unknown | ASSIGNED PA | Apr 5, 2018 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.248.0 - 178.72.253.255 | 1,536 | NEJCZ | unknown | ASSIGNED PA | May 6, 2019 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.254.0/24 | 256 | NEJCZ_TREBIC | unknown | ASSIGNED PA | Mar 28, 2018 | [email protected] via CZ-CZNET-20100318 |
| └ 178.72.255.0/24 | 256 | NEJCZ | unknown | ASSIGNED PA | May 6, 2019 | [email protected] via CZ-CZNET-20100318 |
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
AS41046
CZ
- Name
- O2 Czech Republic, a.s.
- Type
- Internet provider
- Registered
- Jun 6, 2006
- Domain
- o2.cz
- Website
- www.nej.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2010
- Current origin since
- Mar 2018 · 8.6 yr
- Origin networks
- 3
- Last change of origin
- Mar 2018
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 178.72.192.0/18
- Netname
- CZ-CZNET-20100318
- 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
- Dec 28, 2017
- Updated
- Jun 20, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Mar 18, 2010
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR14410-RIPE