Data as of Nov 5, 2026
170.83.173.0/24
53 residential-proxy exits · 30 daysSEM Fronteiras Telecomunicacoes LTDA
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
53
21% of its addresses · 30 days
Always-on exits
4
7.5% of its exits
Providers
47
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
39K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EnigmaProxy
- Evomi
- FlashProxy
- FloppyData
- Geonode
- GloryCloud
- GoProxies
- GonzoProxy
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- MangoProxy
- Maskify
- NSocks
- NovaProxy
- Novada
- Oxylabs
- Proxiware
- Proxy-Cheap
- Proxy-Seller
- ProxyEmpire
- ProxyRack
- ProxyWing
- Proxyma
- Shifter
- StrikeProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 170.83.172.0/22 since Apr 2019 | AS266475 | Residential | 330 66 always on |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS266475
BR
- Name
- SEM Fronteiras Telecomunicacoes LTDA
- Type
- Internet provider
- Registered
- Jan 10, 2017
- Domain
- semfronteiras.net.br
- Website
- www.semfronteiras.net.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
- Stable
- First seen
- Jul 2017
- Current origin since
- Jul 2017 · 9.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 170.83.172.0/22 | AS266475 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS266475 | RADB | This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, | MAINT-AS52863 | Nov 13, 2023 |
| AS266475 | TC | SEM FRONTEIRAS | MAINT-AS266475 | Feb 3, 2025 |
Whois
Registration for this announcement
- Range
- 170.
83. 172. 0/ 22 - Netname
- 300111
- Registrant
- SEM Fronteiras Telecomunicacoes LTDA
- Registrant country
- BR
- Organization
- SEM Fronteiras Telecomunicacoes LTDA (11972556000166)
- Handle
- 170.
83. 172. 0/ 22 - Created
- Jan 10, 2017
- RIR
- LACNIC
- Country
- BR
- Delegated
- Jan 10, 2017
- Status
- assigned
Report abuse
Abuse contact
- makleysh@
semfronteirasnet. com. br - Name
- Makleysh Oliveira
- Handle
- MAOLI1589