Data as of Nov 7, 2026
91.204.104.0/22
2 residential-proxy exits · 30 daysOpen Systems Ltd.
Residential-proxy exits
Proxy exits
2
0.20% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
18
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
431 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 91.204.104.0/24 | 0 | 1 | |
| 91.204.106.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- B2Proxy
- BartProxies
- BottingTools
- EZProxies
- IPFly
- IPPeak
- Kookey
- LudaxProxy
- MoMoProxy
- Novada
- ProxiesVision
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- SwiftProxy
- TalorData
Network & registry
Origin network
AS43712
RU
- Name
- Open Systems Ltd.
- Type
- Business
- Registered
- Sep 18, 2007
- Domain
- osystems.ru
- Industry
- Retail Stores, Wholesale, and E-commerce Sites
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2009
- Current origin since
- Apr 2009 · 18 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 91.204.104.0/24 | AS43712 | RIPE | Open Systems, Ltd | MNT-OPENSYSTEMS | Dec 2, 2008 |
| 91.204.105.0/24 | AS43712 | RIPE | Open Systems, Ltd | MNT-OPENSYSTEMS | Dec 2, 2008 |
| 91.204.106.0/24 | AS43712 | RIPE | Open Systems, Ltd | MNT-OPENSYSTEMS | Dec 2, 2008 |
| 91.204.107.0/24 | AS43712 | RIPE | Open Systems, LTD | MNT-OPENSYSTEMS | Dec 2, 2008 |
Whois
Registration for this announcement
- Range
- 91.
204. 104. 0/ 22 - Netname
- OPENSYSTEMS-NET
- Registrant
- Open Systems Ltd.
- Registrant country
- RU
- Organization
- Open Systems Ltd. (ORG-OSL4-RIPE)
- Org country
- RU
- Type
- ASSIGNED PI
- Created
- Jun 10, 2008
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- RU
- Delegated
- Jun 10, 2008
- Status
- assigned
Report abuse
Abuse contact
- and@
osystems. ru - Name
- Abuse-C Role
- Handle
- AR23228-RIPE