Data as of Nov 13, 2026
177.37.72.0/23
4 residential-proxy exits · 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
Residential-proxy exits
Proxy exits
4
0.78% of its addresses · 30 days
Spread
1 of 2
/24s with at least one exit
Providers
3
selling exits here
Oct 14, 2026 – Nov 12, 2026
Exits seen per day
7 observations
Proxy providers listing exits
- FastProxy
- LemonBright
- ThunderProxy
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
- 1,881
- Always-on exits
- 164
- 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