Data as of Nov 12, 2026
131.221.50.0/24
256 residential-proxy exits · 30 daysSempre Telecomunicacoes LTDA
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
256
100% of its addresses · 30 days
Always-on exits
158
62% of its exits
Providers
29
selling exits here
Oct 13, 2026 – Nov 11, 2026
Exits seen per day
820K observations
Proxy providers listing exits
- 711Proxy
- AnyIP
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- DataImpulse
- Decodo
- Evomi
- FlashProxy
- FloppyData
- Geonode
- GoProxies
- GonzoProxy
- IPRoyal
- Infatica
- Kookey
- LemonBright
- Maskify
- Oxylabs
- PacketStream
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- ProxyWing
- StrikeProxy
- Thordata
- ThunderProxy
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 131.221.48.0/22 since Sep 2022 | AS28198 | Residential | 1,023 378 always on |
Network & registry
Announced by
Covering announcement 131.221.50.0/23
- Prefix
- 131.221.50.0/23
- Announced by
- AS28198 Sempre Telecomunicacoes LTDA
- Type
- Residential
- Proxy exits
- 511
- Always-on exits
- 162
- RPKI
- RPKI valid
- Netname
- 435356
- Registrant
- Sempre Telecomunicacoes LTDA
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the 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
131.221.50.0/23
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 131.221.50.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS28198 | RADB | Sempre Internet | MAINT-AS28198 | Aug 21, 2026 |
Whois
Registration for this announcement
- Range
- 131.
221. 48. 0/ 22 - Netname
- 435356
- Registrant
- Sempre Telecomunicacoes LTDA
- Registrant country
- BR
- Organization
- Sempre Telecomunicacoes LTDA (24605227000129)
- Handle
- 131.
221. 48. 0/ 22 - Created
- Oct 15, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Oct 15, 2014
- Status
- assigned
Report abuse
Abuse contact
- soc@
sempre. net. br - Name
- SOC SEMPRE INTERNET
- Handle
- SOSIN30