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Data as of Nov 15, 2026

1.21.0.0/18

2 anonymizer addresses · 0.01% · VPN536 residential-proxy exits · 30 days

ARTERIA Networks Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS2519
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
536
3.3% of its addresses · 30 days
Always-on exits
15
2.8% of its exits
Spread
23 of 64
/24s with at least one exit
Providers
114
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

61K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
1.21.50.0/24489
1.21.49.0/243173
1.21.53.0/241162
1.21.55.0/24127
1.21.33.0/2418
1.21.20.0/2415
1.21.23.0/2415
1.21.18.0/2414
1.21.34.0/2413
1.21.32.0/2412
1.21.52.0/24027
1.21.14.0/2408
1.21.5.0/2405
1.21.12.0/2404
1.21.17.0/2403
1.21.21.0/2403
1.21.22.0/2402
1.21.19.0/2402
1.21.16.0/2402
1.21.54.0/2402
1.21.46.0/2401
1.21.7.0/2401
1.21.56.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HELODATA
  • HideProxy
  • HydraProxy
  • IP2WORLD
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPROCKET_BASIC
  • IPROCKET_PREMIUM
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYLANE
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • PYPROXY
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
ARTERIA Networks Corporation
2 · Leased from
not leased
3 · Announced by
AS2519 ARTERIA Networks Corporation
since Sep 2022 · 4.2 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 1.21.0.0/18/24s
VPN GateUniversity of Tsukuba
20.01%
2

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

1.21.0.0/18

From the registry to its use

  1. Sep 1, 2022– today
    Announced
    AS2519 ARTERIA Networks Corporation
    Internet provider
  2. Sep 5, 2022
    Route object
    AS2519 ARTERIA Networks Corporation
    RADB route object for AS2519 ARTERIA Networks Corporation, maintainer MAINT-AS2519
  3. today
    Registry record
    ARTERIA Networks Corporation
    ALLOCATED PORTABLE
    1.21.0.0 - 1.21.95.255
  4. today
    Used
    VPN Gate
    VPN

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Residential16,382>99%3
VPNanonymizer20.01%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Sep 2022
Current origin since
Sep 2022 · 4.2 yr
Origin networks
1