Data as of Nov 14, 2026
177.37.89.0/24
No anonymizer space · no proxy exits in 30 daysUltraTelecom Provedora de Internet
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Jun 2026
from AS262417 UltraTelecom Provedora de Internet, after 7.6 years unannounced
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 177.37.88.0/21 | 2,048 | 203987 | UltraTelecom Provedora de Internet (08543640000150) | allocated | Jun 13, 2013 | zanatta@ |
Network & registry
Announced by
Covering announcement 177.37.64.0/19
- Prefix
- 177.37.64.0/19
- Announced by
- AS262417 UltraTelecom Provedora de Internet
- Type
- Residential
- Proxy exits
- 1,883
- Always-on exits
- 165
- RPKI
- RPKI valid
- RIR
- LACNIC
Origin network
AS262417
BR
- Name
- UltraTelecom Provedora de Internet
- Type
- Internet provider
- Registered
- Mar 15, 2011
- Domain
- ultrat.com.br
- Website
- ultrat.com.br
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 177.37.64.0/19
177.37.64.0/19
Routing history
- Pattern
- Stable
- First seen
- Mar 2018
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 177.37.64.0/19 | AS262417 | /24 | LACNIC | RPKI valid |
IRR
Route objects on 177.37.64.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS262417 | TC | MAINT-AS262417 | Dec 11, 2023 |
Whois
Registration for this announcement
177.37.64.0/19 spans several registrations: 2 records are listed under Registrations.
- RIR
- LACNIC
- Country
- BR
- Delegated
- Mar 15, 2011
- Status
- assigned