Data as of Nov 14, 2026
103.112.70.0/23
18 residential-proxy exits · 30 daysMastersoft S.R.L. · space held by Retzor, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS55933 Cloudie Limited
Residential-proxy exits
Proxy exits
18
3.5% of its addresses · 30 days
Always-on exits
2
11% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
60
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
3.2K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 103.112.71.0/24 | 1 | 16 | |
| 103.112.70.0/24 | 1 | 2 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonix
- Geonode
- GonzoProxy
- IPFly
- IPMUSK
- IPOasis
- IPPeak
- IPROCKET_BASIC
- Infatica
- InfiniteProxies
- Kookey
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- RainProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- Thordata
- TrueProxies
- VantageProxies
- VitalExclusive
- ZENPROXY_PREMIUM
Network & registry
Origin network
AS215305
MD
- Name
- Mastersoft S.R.L.
- Type
- Hosting
- Registered
- Dec 23, 2025
- Domain
- retzor.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2025
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 103.
112. 68. 0/ 22 - Netname
- Retzor
- Registrant
- Retzor, Inc.
- Registrant country
- NL
- Organization
- Retzor, Inc.
- Org country
- NL
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 31, 2026
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 27, 2018
- Status
- assigned