Data as of Nov 7, 2026
177.37.88.0/21
522 residential-proxy exits · 30 daysUltraTelecom Provedora de Internet
Announced by
Type
Residential
Recent change
New origin Jun 2026
from AS262417 UltraTelecom Provedora de Internet, after 7.6 years unannounced
Residential-proxy exits
Proxy exits
522
25% of its addresses · 30 days
Always-on exits
42
8.0% of its exits
Spread
5 of 8
/24s with at least one exit
Providers
90
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
440K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 177.37.88.0/24 | 32 | 255 | |
| 177.37.92.0/24 | 7 | 247 | |
| 177.37.93.0/24 | 2 | 14 | |
| 177.37.95.0/24 | 1 | 3 | |
| 177.37.94.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 911Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- IPCola
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LemonPrime
- LudaxProxy
- MangoProxy
- Maskify
- MoMoProxy
- NSocks
- NextProxy
- NiuProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxio
- Proxiware
- Proxmint
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VitalExclusive
- VitalProxy
- Webshare
- YumiProxy
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 177.37.92.0/22 since Jul 2026 | AS262417 | Residential | 266 10 always on |
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
- 1,869
- Always-on exits
- 219
- 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 · 4 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