Data as of Nov 9, 2026
143.137.0.0/23
No anonymizer space · no proxy exits in 30 daysCheck-UP Net Telecom
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 143.137.0.0/22 since Sep 2015 | 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Oct 2025 · 1.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| 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