Data as of Nov 9, 2026
187.121.137.0/24
4 residential-proxy exits · 30 daysSercomtel S/A Telecomunicacoes
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin May 2026
its first announcement on record
Residential-proxy exits
Proxy exits
4
1.6% of its addresses · 30 days
Always-on exits
2
50% of its exits
Providers
29
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
6.9K observations
Proxy providers listing exits
- 711Proxy
- Ake.net
- B2Proxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- Decodo
- FlashProxy
- Geonode
- GonzoProxy
- IPFly
- IPOasis
- IPPeak
- Infatica
- InfiniteProxies
- LemonBright
- NovaProxy
- Novada
- Oxylabs
- ProxyEmpire
- ProxyHat
- Proxyma
- PuraRoute
- RainProxy
- Thordata
- ThunderProxy
- VitalExclusive
- YumiProxy
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS22689
BR
- Name
- Sercomtel S/A Telecomunicacoes
- Type
- Internet provider
- Registered
- Nov 6, 2001
- Domain
- sercomtel.com.br
- Website
- www.sercomtel.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 187.121.128.0/20 | AS22689 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS22689 | RADB | Cliente ST1 - AS22689 | MAINT-ASN269194 | Aug 17, 2026 |
Whois
Registration for this announcement
- Range
- 187.
121. 128. 0/ 20 - Netname
- 244971
- Registrant
- Sercomtel S/A Telecomunicacoes
- Registrant country
- BR
- Organization
- Sercomtel S/A Telecomunicacoes (01371416000189)
- Handle
- 187.
121. 128. 0/ 20 - Created
- Mar 2, 2010
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 2, 2010
- Status
- assigned
Report abuse
Abuse contact
- abuso@
sercomtel. net. br - Name
- Sercomtel S/A Telecomunicações
- Handle
- SESTE68