Data as of Nov 9, 2026
181.191.204.0/23
61 residential-proxy exits · 30 daysUltracom Telecomunicacoes Ltda
Residential-proxy exits
Proxy exits
61
12% of its addresses · 30 days
Always-on exits
1
1.6% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
80
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
20K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 181.191.205.0/24 | 1 | 60 | |
| 181.191.204.0/24 | 0 | 2 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 911Proxy
- 9Proxy
- ASHBURNPROXIES
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GSocks
- Geonix
- Geonode
- GloryCloud
- GonzoProxy
- HideProxy
- IPCola
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- KindProxy
- Kookey
- LemonBright
- LemonLabs
- LemonPrime
- LudaxProxy
- MangoProxy
- NSocks
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxiware
- Proxy-Seller
- Proxy302
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- SPYDERPROXY_BASIC
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VitalData
- VitalExclusive
- Webshare
- YumiProxy
- ZENPROXY_PREMIUM
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 181.191.204.0/24 since Aug 2017 | AS267437 | Residential | 2 | |
| 181.191.205.0/24 since Aug 2017 | AS267437 | Residential | 60 1 always on |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS267437
BR
- Name
- Ultracom Telecomunicacoes Ltda
- Type
- Internet provider
- Registered
- Aug 2, 2017
- Domain
- ultracom.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
- Mar 2019
- Current origin since
- Nov 2022 · 4.0 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS267437 | RADB | CLARO S.A. Customer | MAINT-AS4230 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 181.
191. 204. 0/ 22 - Netname
- 314597
- Registrant
- Ultracom Telecomunicações Ltda
- Registrant country
- BR
- Organization
- Ultracom Telecomunicações Ltda (01907811000133)
- Handle
- 181.
191. 204. 0/ 22 - Created
- Aug 2, 2017
- RIR
- LACNIC
- Country
- BR
- Delegated
- Aug 2, 2017
- Status
- assigned