Data as of Nov 9, 2026
143.137.0.0/22
No anonymizer space · no proxy exits in 30 daysCheck-UP Net Telecom
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 143.137.0.0/23 since Oct 2025 | AS61797 | Residential |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS61797
BR
- Name
- Check-UP Net Telecom
- Type
- Internet provider
- Registered
- Jun 24, 2014
- Domain
- carangola.com.br
- Website
- carangola.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
- Sep 2015
- Current origin since
- Sep 2015 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS61797 | TC | CARANGOLA TELECOMUNICACOES EIRELI | MAINT-AS61797 | Feb 1, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 143.137.2.0/23 | AS61797 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Jan 2, 2026 |
Whois
Registration for this announcement
- Range
- 143.
137. 0. 0/ 22 - Netname
- 263856
- Registrant
- Check-UP Net Telecom
- Registrant country
- BR
- Organization
- Check-UP Net Telecom (10508614000132)
- Handle
- 143.
137. 0. 0/ 22 - Created
- Sep 15, 2015
- RIR
- LACNIC
- Country
- BR
- Delegated
- Sep 15, 2015
- Status
- assigned
Report abuse
Abuse contact
- checkup@
carangola. com. br - Name
- Carangola Telecomunicações Ltda
- Handle
- CATLT28