Data as of Nov 7, 2026

177.37.88.0/21

522 residential-proxy exits · 30 days

UltraTelecom Provedora de Internet

Announcement
RPKI valid
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

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

PrefixOriginTypeProxy exitsRPKI
177.37.92.0/22
since Jul 2026
AS262417Residential266
10 always on

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
177.37.88.0/212,048203987UltraTelecom Provedora de Internet (08543640000150)allocatedJun 13, 2013zanatta@ultrat.com.br

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