Data as of Nov 7, 2026
78.156.128.0/19
19 residential-proxy exits · 30 daysOptoNet Communication, spol. s.r.o.
Residential-proxy exits
Proxy exits
19
0.23% of its addresses · 30 days
Always-on exits
2
11% of its exits
Spread
6 of 32
/24s with at least one exit
Providers
51
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
4.7K observations
- Residential
- Business
- Internet provider
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 78.156.150.0/24 | 2 | 7 | |
| 78.156.140.0/24 | 0 | 5 | |
| 78.156.133.0/24 | 0 | 3 | |
| 78.156.144.0/24 | 0 | 2 | |
| 78.156.137.0/24 | 0 | 1 | |
| 78.156.147.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- Byteful
- CliProxy
- DataImpulse
- Decodo
- Evomi
- FastProxy
- GeekProxy
- Geonode
- GloryCloud
- HideProxy
- IPCola
- IPFly
- IPPeak
- InfiniteProxies
- KindProxy
- LudaxProxy
- MoMoProxy
- NextProxy
- NovProxy
- Novada
- Oxylabs
- PSBProxy
- PrivateByte
- PrivateProxy
- Proxio
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- PuraRoute
- RainProxy
- RapidProxy
- ResiProxies
- RolaProxy
- Shifter
- SwiftProxy
- Thordata
- ThunderProxy
- TrueProxies
- VibeProxies
- YumiProxy
- ZENPROXY_PREMIUM
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 78.156.140.0/24 since Aug 2022 | AS207945 | Residential | 5 | OptoNet Communication, spol. s.r.o. |
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 |
|---|---|---|---|---|---|---|
| 78.156.128.0/19 | 8,192 | CZ-OPTONET-20070816 | OptoNet Communication, spol. s.r.o. (ORG-OCLS3-RIPE) · CZ | ALLOCATED PA | Aug 16, 2007 | abuse@ |
| └ 78.156.128.0/25 | 128 | OPTONET_ | OptoNet infrastructure routed network | ASSIGNED PA | Aug 20, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.128.128/25 | 128 | INFRA-AW | Access Infrastructure Network | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78. | 512 | CZ-JARPOSERVIS | JARPOSERVIS | ASSIGNED PA | Aug 22, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.132.0/24 | 256 | CZ-HEXEN | HEXEN www.hxn.cz | ASSIGNED PA | Aug 23, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.133.0/24 | 256 | CZ-VYNET | VyNET - Vyklicky Lubomir | ASSIGNED PA | Aug 23, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.135.0/25 | 128 | CZ-TRESTKONET | Radioklub Dyje o.s. - www.trestsko.net | ASSIGNED PA | Oct 2, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78. | 96 | CZ-MMJ | Magistrat mesta Jihlavy | ASSIGNED PA | Oct 10, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.135.224/27 | 32 | CZ-Elkomp-ON-Host | ELKOMP Kromeriz, spol. s r.o. - hosting in OptoNET | ASSIGNED PA | Mar 10, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.137.0/25 | 128 | CZ-CORE2015-ON | CORE2015 Internet provider | ASSIGNED PA | Nov 28, 2007 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.137.128/25 | 128 | CZ-TRESTSKONET_ | Radioklub Dyje o.s. - www.trestsko.net | ASSIGNED PA | Jan 10, 2008 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.140.0/24 | 256 | CZ-CESKA_ | Ceska opticka sit | ASSIGNED PA | Jun 24, 2008 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.141.0/24 | 256 | CZ-MAME-ON | MAME Moravske Budejovice, s. r. o. | ASSIGNED PA | Aug 6, 2008 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.143.0/24 | 256 | CZ-TRESTSKONET3-ON | Radioklub Dyje o.s., Trest, CZ, www.trestsko.net | ASSIGNED PA | Mar 18, 2010 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.144.0/24 | 256 | CZ-VELMEZNET-ON | ORG. Mestsky urad Velke Mezirici, Czech republic | ASSIGNED PA | Dec 22, 2008 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.147.0/27 | 32 | CZ-MMJ-ON | IP pool 78.156.147.0/27 for Magistrat Mesta JIhlavy | ASSIGNED PA | May 16, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.147.64/28 | 16 | CZ-MM-ON | IP pool 78.156.147.64/28 | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.147.80/29 | 8 | CZ-SYSCORE-ON | IP pool 78.156.147.80/29 for SYSCORE, Pacov, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78. | 40 | CZ-STAMPI-ON | IP pool for STAMPI, Pelhrimov, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.147.128/25 | 128 | CZ-ROWANet_ | IP pool 78.156.147.128/25 for Kraj Vsocina, Jihlava, Czech Republic | ASSIGNED PA | May 27, 2013 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.149.0/24 | 256 | CZ-MMJ_ | IP pool 78.156.149.0/24 for Magistrat Mesta Jihlavy, Jihlava, Czech republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.150.0/24 | 256 | CZ-SYSCORE_ | IP pool 78.156.150.80/29 for SYSCORE, Pacov, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.152.0/26 | 64 | CZ-ROWANet-ON | Kraj Vysocina - ROWANET | ASSIGNED PA | Feb 17, 2014 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.155.0/24 | 256 | CZ-OptoNet-SMB_ | IP pool 78.156.155.0/24 for OptoNet SMB users, Jihlava, Czech Republic | ASSIGNED PA | May 27, 2013 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.156.0/24 | 256 | CZ-OptoNet_ | IP pool 78.156.156.0/24 for OptoNet hosting customers | ASSIGNED PA | May 27, 2013 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.157.0/24 | 256 | CZ-OptoNet-SMB_ | IP pool 78.156.157.0/24 for OptoNet SMB users, Jihlava, Czech Republic | ASSIGNED PA | May 27, 2013 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.0/27 | 32 | CZ-MMJ-HOTSPOT-ON | Magistrat mesta Jihlavy, HOT-SPOT network | ASSIGNED PA | Mar 10, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.32/27 | 32 | CZ-RESAL-ON-Host | RESAL, spol s r.o. hosting in OptoNet Communication, spol. s r.o. | ASSIGNED PA | Mar 24, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.128/30 | 4 | CZ-Postranecky-ON-hostP2P | Postranecky serverhosting in OptoNet Communication, spol s r.o. | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.136/29 | 8 | CZ-OptoNET_ | OptoNet Communication, spol. s r.o. office network | ASSIGNED PA | Mar 12, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.144/28 | 16 | CZ-Postranecky-ON-host | Postranecky serverhosting in OptoNet Comunication, spol. s r.o. | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.160/29 | 8 | CZ-VlasimNET-ON-host | Vlasim.NET hosting in OptoNet Communication, spol. s r.o. | ASSIGNED PA | Mar 12, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78. | 12 | CZ-NetSERV-ON-host | NetSERV, s.r.o. hosting in OptoNet Communication, spol. s r.o. | ASSIGNED PA | Mar 12, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.180/30 | 4 | CZ-ON_ | DNS server OptoNet Communication, spol s r.o. | ASSIGNED PA | Mar 21, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.208/28 | 16 | CZ-Webhouse-ON-host | Webhouse, s.r.o. hosting in OptoNet Communication, spol s r.o. | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.158.224/29 | 8 | CZ-iVysocina-ON-host | iVysocina hosting in OptoNet Communication, spol. s r.o. | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78. | 24 | CZ-JALInet-ON-host | Jali.NET serverhosting in OptoNet Comunication, spol s r.o. | ASSIGNED PA | Mar 13, 2009 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.159.0/24 | 256 | CZ-ON-SMB-pool1 | unknown | LIR-PARTITIONED PA | Sep 20, 2018 | abuse@ via CZ-OPTONET-20070816 |
| └ 78.156.159.0/29 | 8 | CZ-Webhouse-ON | IP pool 78.156.159/29 for Webhouse s.r.o., JIhlava, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.16/29 | 8 | CZ-KSUSV_ | Krajska sprava a udrzba silnic Vysociny, Jihlava (OptoNet) | ASSIGNED PA | Jan 10, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.24/29 | 8 | CZ-WLS-ON | Weindel Logistik Service CR, Jihlava (OptoNet) | ASSIGNED PA | Mar 19, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.48/29 | 8 | CZ-OptoNet-Stormware | STORMWARE s.r.o. - Jihlava | ASSIGNED PA | Mar 18, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.56/29 | 8 | CZ-OptoWiFi-ON | IP pool 78.156.159.56/29 for OptoNet WiFi users networks | ASSIGNED PA | May 27, 2013 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.72/29 | 8 | CZ-IS-Engeneering_ | IS-Engeneering PROFI, Jihlava, CZ | ASSIGNED PA | Mar 17, 2009 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.96/28 | 16 | CZ-MU_ | Mestsky urad Velke Mezirici, Czech republic | ASSIGNED PA | May 28, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.112/28 | 16 | CZ-MU_ | ORG. Mestsky urad Velke Mezirici, Czech republic | ASSIGNED PA | Jun 2, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78. | 14 | CZ-Motorpal-ON | Motorpal, a.s. (OptoNet) | ASSIGNED PA | Aug 28, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.144/28 | 16 | CZ-Mobilbonus-ON | Mobilbonus s.r.o. | ASSIGNED PA | Aug 29, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.160/29 | 8 | CZ-MU_ | Mestsky urad Velke Mezirici, Czech republic | ASSIGNED PA | Mar 19, 2009 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.168/29 | 8 | CZ-htlVivaldi-ON | Hotel Vivaldi, Rancirov, Czech republic | ASSIGNED PA | Nov 18, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.192/28 | 16 | CZ-Motorpal_ | Motorpal, a.s. (OptoNet) - company DMZ network | ASSIGNED PA | Mar 18, 2009 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.208/29 | 8 | CZ-TIRAD-ON | TIRAD s.r.o. | ASSIGNED PA | Nov 27, 2008 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78. | 36 | CZ-OptoNet_ | IP pool for small SMB users, Jihlava, Czech Republic | ASSIGNED PA | May 17, 2012 | abuse@ via CZ-ON-SMB-pool1 |
| └ 78.156.159.252/30 | 4 | CZ-Tchibo-ON | Tchibo Praha, Jihlava, CZ (OptoNet) | ASSIGNED PA | Mar 19, 2008 | abuse@ via CZ-ON-SMB-pool1 |
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
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 6,450 | 79% | 19 | |
| Business | 1,230 | 15% | 36 | |
| Hosting | 256 | 3.1% | 1 | |
| Residential | 256 | 3.1% | 1 |
Network & registry
Origin network
AS43542
CZ
- Name
- OptoNet Communication, spol. s.r.o.
- Type
- Internet provider
- Registered
- Aug 20, 2007
- Domain
- optonet.cz
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2007
- Current origin since
- Sep 2007 · 19 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 78.
156. 128. 0/ 19 - Netname
- CZ-OPTONET-20070816
- Registrant
- OptoNet Communication, spol. s.r.o.
- Registrant country
- CZ
- Organization
- OptoNet Communication, spol. s.r.o. (ORG-OCLS3-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Aug 16, 2007
- Updated
- Dec 20, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Aug 16, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
optonet. cz - Name
- ABUSE-C OptoNet Communication
- Handle
- AOC17-RIPE