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Data as of Nov 7, 2026

37.19.104.0/22

259 residential-proxy exits · 30 days

A1 Srbija d.o.o. Beograd

Announcement
37.19.104.0/21
RPKI valid
Announced by
AS44143
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
259
25% of its addresses · 30 days
Spread
2 of 4
/24s with at least one exit
Providers
74
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

23K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
37.19.107.0/240254
37.19.106.0/2403

Proxy providers listing exits

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

Registrations in this block

The registry's network records over this block, widest first, each 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

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
Announced by

Covering announcement 37.19.104.0/21

Prefix
37.19.104.0/21
Announced by
AS44143 A1 Srbija d.o.o. Beograd
Type
Residential
Proxy exits
1,023
Always-on exits
5
RPKI
RPKI valid
Netname
RS-NOVIOP-20111223
Registrant
A1 Srbija d.o.o. Beograd
RIR
RIPE NCC
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