Data as of Nov 5, 2026
191.37.133.0/24
No anonymizer space · no proxy exits in 30 daysCybertech Informatica LTDA
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 191.37.132.0/22 since Nov 2023 | AS263359 | Residential | 34 7 always on | |
| 191.37.128.0/21 since Aug 2016 | AS263359 | Residential | 232 27 always on |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS263359
BR
- Name
- Cybertech Informatica LTDA
- Type
- Internet provider
- Registered
- Mar 19, 2014
- Domain
- cybertech.inf.br
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2023
- Current origin since
- Nov 2023 · 3.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 191.37.128.0/21 | AS263359 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS263359 | TC | Cybertech Informatica LTDA | MAINT-AS263359 | Aug 29, 2025 |
Whois
Registration for this announcement
- Range
- 191.
37. 128. 0/ 21 - Netname
- 225087
- Registrant
- Cybertech Informática LTDA
- Registrant country
- BR
- Organization
- Cybertech Informática LTDA (03860827000163)
- Handle
- 191.
37. 128. 0/ 21 - Created
- Mar 19, 2014
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 19, 2014
- Status
- assigned
Report abuse
Abuse contact
- cleverson@
cybertech. inf. br - Name
- Cleverson Antonio Rozanski
- Handle
- CLARO