Data as of Nov 7, 2026
81.90.240.0/20
29 residential-proxy exits · 30 daysABAK, Co.Ltd.
Residential-proxy exits
Proxy exits
29
0.71% of its addresses · 30 days
Always-on exits
2
6.9% of its exits
Spread
9 of 16
/24s with at least one exit
Providers
57
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
2.3K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 81.90.250.0/24 | 1 | 10 | |
| 81.90.252.0/24 | 1 | 2 | |
| 81.90.251.0/24 | 0 | 5 | |
| 81.90.243.0/24 | 0 | 3 | |
| 81.90.245.0/24 | 0 | 2 | |
| 81.90.247.0/24 | 0 | 2 | |
| 81.90.248.0/24 | 0 | 2 | |
| 81.90.254.0/24 | 0 | 2 | |
| 81.90.253.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- FastProxy
- FlashProxy
- GSocks
- GeekProxy
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- HydraProxy
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- KindProxy
- LemonBright
- LightningProxies
- MangoProxy
- NextProxy
- NodeMaven
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- Thordata
- VProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- ZENPROXY_PREMIUM
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 |
|---|---|---|---|---|---|---|
| 81.90.240.0/20 | 4,096 | CZ-ABAK-20060420 | ABAK, Co.Ltd. (ORG-AL50-RIPE) · CZ | ALLOCATED PA | Apr 21, 2006 | jan. |
| └ 81.90.240.0/24 | 256 | ujezdnet | ABAK Ltd network | ASSIGNED PA | Aug 14, 2006 | jan. via CZ-ABAK-20060420 |
| └ 81.90.241.0/24 | 256 | ujezdnet | ABAK Ltd network | ASSIGNED PA | Feb 12, 2009 | jan. via CZ-ABAK-20060420 |
| └ 81.90.242.0/24 | 256 | ujezdnet | ABAK Ltd network | ASSIGNED PA | Feb 12, 2009 | jan. via CZ-ABAK-20060420 |
| └ 81.90.243.0/24 | 256 | ujezdnet | ABAK Ltd network P2P links | ASSIGNED PA | Feb 12, 2009 | jan. via CZ-ABAK-20060420 |
| └ 81.90.244.0/24 | 256 | ujezdnet | ABAK Ltd network P2P links | ASSIGNED PA | Feb 12, 2009 | jan. via CZ-ABAK-20060420 |
| └ 81.90.245.0/24 | 256 | ujezdnet | Internet service provider | ASSIGNED PA | Feb 12, 2009 | jan. via CZ-ABAK-20060420 |
| └ 81. | 2,560 | ujezdnet | Internet service provider | ASSIGNED PA | May 13, 2009 | jan. via CZ-ABAK-20060420 |
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
AS39761
CZ
- Name
- ABAK, Co.Ltd.
- Type
- Internet provider
- Registered
- Apr 21, 2006
- Domain
- abak.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2006
- Current origin since
- Jun 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.90.240.0/20 | AS39761 | /24 | RIPE | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS39761 | RIPE | ABAK Internet network | MNT-ABAK | Jun 4, 2006 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 81.90.240.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.241.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.242.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.243.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.244.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.245.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.246.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.247.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.248.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.249.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.250.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.251.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.252.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.253.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.254.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
| 81.90.255.0/24 | AS39761 | RIPE | ABAK IPv4 network | MNT-ABAK | Jan 23, 2017 |
Whois
Registration for this announcement
- Range
- 81.
90. 240. 0/ 20 - Netname
- CZ-ABAK-20060420
- Registrant
- ABAK, Co.Ltd.
- Registrant country
- CZ
- Organization
- ABAK, Co.Ltd. (ORG-AL50-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Apr 21, 2006
- Updated
- May 19, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Apr 21, 2006
- Status
- assigned
Report abuse
Abuse contact
- jan.
pilny@ abak. cz - Name
- Abuse-C Role
- Handle
- AR14388-RIPE