Data as of Nov 11, 2026
191.243.205.0/24
No anonymizer space · no proxy exits in 30 daysCtba Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.243.200.0/21 since May 2017 | AS263512 | Residential | 314 28 always on |
Network & registry
Announced by
Covering announcement 191.243.204.0/22
- Prefix
- 191.243.204.0/22
- Announced by
- AS263512 Ctba Telecom
- Type
- Residential
- Proxy exits
- 238
- Always-on exits
- 4
- RPKI
- RPKI valid
- Netname
- 219978
- Registrant
- Ctba Telecom
- RIR
- LACNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263512
BR
- Name
- Ctba Telecom
- Type
- Internet provider
- Registered
- Jan 2, 2014
- Domain
- ctbatelecom.com.br
- Website
- www.ctbatelecom.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
191.243.204.0/22
Routing history
- Pattern
- Stable
- First seen
- Nov 2024
- Current origin since
- Nov 2024 · 2.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 191.243.204.0/22 | AS263512 | /22 | LACNIC | RPKI valid |
| 191.243.200.0/21 | AS263512 | /21 | LACNIC | Too specific |
Whois
Registration for this announcement
- Range
- 191.
243. 200. 0/ 21 - Netname
- 219978
- Registrant
- Ctba Telecom
- Registrant country
- BR
- Organization
- Ctba Telecom (11852520000149)
- Handle
- 191.
243. 200. 0/ 21 - Created
- Jan 2, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Jan 2, 2014
- Status
- assigned
Report abuse
Abuse contact
- suporte@
ctbatelecom. com. br - Name
- Rivair Antunes de Quadros
- Handle
- RIAQU9