Data as of Nov 5, 2026
131.221.50.0/23
512 residential-proxy exits · 30 daysSempre Telecomunicacoes LTDA
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Recent change
New origin Oct 22, 2026
from AS28198 Sempre Telecomunicacoes LTDA, after 4.4 years unannounced
Residential-proxy exits
Proxy exits
512
100% of its addresses · 30 days
Always-on exits
213
42% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
72
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
1.1M observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 131.221.50.0/24 | 212 | 255 | |
| 131.221.51.0/24 | 1 | 256 |
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BirdProxies
- BlurPath
- BottingTools
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LudaxProxy
- MangoProxy
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PacketStream
- ProxiesVision
- Proxio
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 131.221.48.0/22 since Sep 2022 | AS28198 | Residential | 1,023 459 always on |
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 |
|---|---|---|---|---|---|---|
| 131.221.48.0/22 | 1,024 | 435356 | Sempre Telecomunicacoes LTDA (24605227000129) | allocated | Oct 15, 2014 | — |
Network & registry
Origin network
AS28198
BR
- Name
- Sempre Telecomunicacoes LTDA
- Type
- Internet provider
- Registered
- Apr 2, 2008
- Domain
- sempreinternet.com.br
- Website
- sempreinternet.com.br/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2016
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 3
- Last change of origin
- Apr 2022
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 131.221.48.0/22 | AS28198 | /25 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28198 | RADB | Sempre Internet | MAINT-AS28198 | Aug 21, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 131.221.50.0/24 | AS28198 | RADB | Sempre Internet | MAINT-AS28198 | Aug 21, 2026 |
| 131.221.51.0/24 | AS28198 | RADB | Sempre Internet | MAINT-AS28198 | Aug 21, 2026 |
Whois
Registration for this announcement
131.221.50.0/23 spans several registrations: 1 records are listed under Registrations.
- RIR
- LACNIC
- Country
- BR
- Delegated
- Oct 15, 2014
- Status
- assigned