Data as of Nov 7, 2026
138.185.240.0/23
33 residential-proxy exits · 30 daysMast Telecomunicacoes e Informatica LTDA
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
33
6.4% of its addresses · 30 days
Always-on exits
7
21% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
64
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
28K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 138.185.240.0/24 | 6 | 10 | |
| 138.185.241.0/24 | 1 | 23 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LemonLabs
- LightningProxies
- MangoProxy
- NextProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateByte
- Proxies.fo
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- VitalProxy
- Webshare
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 138.185.240.0/22 since Aug 2015 | AS263920 | Residential | 70 18 always on |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263920
BR
- Name
- Mast Telecomunicacoes e Informatica LTDA
- Type
- Internet provider
- Registered
- Aug 12, 2015
- Domain
- masttelecom.com.br
- Website
- www.masttelecom.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
- Stable
- First seen
- May 2016
- Current origin since
- Apr 2023 · 3.5 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.185.240.0/23 | AS263920 | /23 | LACNIC | RPKI valid |
| 138.185.240.0/22 | AS263920 | /22 | LACNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS263920 | 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 |
| AS263920 | ALTDB | MAST TELECOMUNICACOES | MAINT-AS263920 | Oct 5, 2021 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 138.185.240.0/24 | AS263920 | ALTDB | MAST TELECOMUNICACOES | MAINT-AS263920 | Oct 5, 2021 |
| 138.185.241.0/24 | AS263920 | ALTDB | MAST TELECOMUNICACOES | MAINT-AS263920 | Oct 5, 2021 |
Whois
Registration for this announcement
- Range
- 138.
185. 240. 0/ 22 - Netname
- 261234
- Registrant
- Mast Telecomunicacoes e Informatica LTDA
- Registrant country
- BR
- Organization
- Mast Telecomunicacoes e Informatica LTDA (12640121000187)
- Handle
- 138.
185. 240. 0/ 22 - Created
- Aug 12, 2015
- RIR
- LACNIC
- Country
- BR
- Delegated
- Aug 12, 2015
- Status
- assigned
Report abuse
Abuse contact
- noc@
masttelecom. net. br - Name
- NOC Mast Telecom
- Handle
- NOMTE8