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Data as of Nov 6, 2026

1.21.0.0/18

2 anonymizer addresses · 0.01% · VPN507 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
507
3.1% of its addresses · 30 days
Always-on exits
16
3.2% of its exits
Spread
21 of 64
/24s with at least one exit
Providers
92
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

51K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
1.21.53.0/242166
1.21.49.0/242157
1.21.50.0/24285
1.21.55.0/24225
1.21.20.0/2424
1.21.18.0/2423
1.21.23.0/2416
1.21.21.0/2412
1.21.34.0/2412
1.21.32.0/2411
1.21.52.0/24027
1.21.33.0/2407
1.21.14.0/2407
1.21.12.0/2404
1.21.22.0/2402
1.21.17.0/2402
1.21.16.0/2402
1.21.54.0/2402
1.21.46.0/2401
1.21.19.0/2401
1.21.56.0/2401

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • SpyderProxy
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • TrueProxies
  • TrustProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
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
Origin network

AS2519

JP
Name
ARTERIA Networks Corporation
Type
Internet provider
Registered
Apr 5, 2002
Domain
arteria-net.com
Website
www.arteria-net.com/en/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed