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Data as of Nov 7, 2026

37.19.104.0/21

1,026 residential-proxy exits · 30 days

A1 Srbija d.o.o. Beograd

Announcement
this exact prefix
RPKI valid
Announced by
AS44143
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1,026
50% of its addresses · 30 days
Always-on exits
5
0.49% of its exits
Spread
5 of 8
/24s with at least one exit
Providers
84
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

134K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.19.108.0/244256
37.19.109.0/241255
37.19.110.0/240255
37.19.107.0/240254
37.19.106.0/2403

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GeekProxy
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LudaxProxy
  • MagneticProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • NSocks
  • NextProxy
  • NodeMaven
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxio
  • Proxiware
  • Proxy-Cheap
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • PuraRoute
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • RoamProxy
  • RolaProxy
  • Shifter
  • Smartproxy
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • Webshare

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
37.19.104.0/212,048RS-NOVIOP-20111223A1 Srbija d.o.o. Beograd (ORG-TD12-RIPE) · RSALLOCATED PADec 23, 2011zloupotreba@a1.rs
└ 37.19.104.0/221,024A1_SerbiaA1 Serbia public IP addressesASSIGNED PAApr 12, 2013zloupotreba@a1.rs
via RS-NOVIOP-20111223
└ 37.19.108.0/221,024A1_SerbiaA1 Serbia public IP addressesASSIGNED PAApr 22, 2013zloupotreba@a1.rs
via RS-NOVIOP-20111223

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS44143

RS
Name
A1 Srbija d.o.o. Beograd
Type
Internet provider
Registered
Nov 23, 2007
Domain
a1.rs
Website
a1.rs
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed