Data as of Nov 10, 2026
138.255.48.0/22
No anonymizer space · no proxy exits in 30 daysBertasso e CIA LTDA
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS264565
BR
- Name
- Bertasso e CIA LTDA
- Type
- Internet provider
- Registered
- Jan 14, 2015
- Domain
- nitrointernet.com.br
- Website
- www.nitrointernet.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
- Apr 2026 · 7 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 138.255.48.0/22 | AS264565 | /24 | LACNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 138.255.48.0/23 | AS264565 | RADB | BERTASSO-ALTAREDE | MAINT-AS28260 | Jun 16, 2026 |
| 138.255.48.0/23 | AS264565 | TC | NITRO INTERNET LTDA | MAINT-AS264565 | Jul 7, 2023 |
| 138.255.48.0/24 | AS264565 | TC | NITRO INTERNET LTDA | MAINT-AS264565 | Jul 23, 2024 |
| 138.255.49.0/24 | AS264565 | TC | NITRO INTERNET LTDA | MAINT-AS264565 | Jul 23, 2024 |
| 138.255.50.0/23 | AS264565 | TC | NITRO INTERNET LTDA | MAINT-AS264565 | Jul 7, 2023 |
Whois
Registration for this announcement
- Range
- 138.
255. 48. 0/ 22 - Netname
- 262027
- Registrant
- Bertasso e CIA LTDA
- Registrant country
- BR
- Organization
- Bertasso e CIA LTDA (05072224000122)
- Handle
- 138.
255. 48. 0/ 22 - Created
- Aug 20, 2015
- RIR
- LACNIC
- Country
- BR
- Delegated
- Aug 20, 2015
- Status
- assigned
Report abuse
Abuse contact
- perpetuabertasso@
gmail. com - Name
- Rodrigo Franco
- Handle
- ROFRA192