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Data as of Nov 15, 2026

183.81.0.0/19

1 anonymizer address · 0.01% · VPN2,940 residential-proxy exits · 30 days

FPT Telecom Company · space held by FPT Telecom

Announcement
183.81.0.0/18
RPKI valid
Announced by
AS18403
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
2,940
36% of its addresses · 30 days
Always-on exits
33
1.1% of its exits
Spread
28 of 32
/24s with at least one exit
Providers
141
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

547K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
183.81.21.0/2410256
183.81.0.0/248256
183.81.9.0/245256
183.81.18.0/243256
183.81.19.0/243256
183.81.11.0/24233
183.81.8.0/241251
183.81.10.0/24122
183.81.3.0/240146
183.81.1.0/240146
183.81.25.0/240132
183.81.27.0/240103
183.81.16.0/24090
183.81.31.0/24086
183.81.17.0/24080
183.81.2.0/24079
183.81.12.0/24077
183.81.7.0/24069
183.81.20.0/24066
183.81.4.0/24056
183.81.28.0/24054
183.81.24.0/24044
183.81.5.0/24040
183.81.29.0/24033

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 911Proxy
  • 9Proxy
  • APROXY
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BestProxy
  • BirdProxies
  • BlurPath
  • BottingTools
  • Bright Data
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EVOPROXY
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HELODATA
  • HPROXY
  • HideProxy
  • HydraProxy
  • INSTANTSOCKS_BASIC
  • IP2WORLD
  • IPCola
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPROCKET_BASIC
  • IPROCKET_PREMIUM
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KindProxy
  • KocerRoxy
  • Kookey
  • LOKIPROXY
  • LUMIPROXY
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • MarsProxies
  • Maskify
  • MoMoProxy
  • MrScraper
  • NSocks
  • NextProxy
  • NiuProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PROXYFALL
  • PROXYLANE
  • PROXYON
  • PROXYSALE
  • PROXYSAVER
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • PROXY_CC
  • PSBProxy
  • PYPROXY
  • PacketStream
  • PrivateByte
  • PrivateProxy
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RH7Proxy
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • SIMPLYNODE
  • SPYDERPROXY_BASIC
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • StrikeProxy
  • SwiftProxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
FPT Telecom
2 · Leased from
not leased
3 · Announced by
AS18403 FPT Telecom Company
since Sep 2019 · 7.1 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 183.81.0.0/19/24s
VPN GateUniversity of Tsukuba
10.01%
1

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
183.81.0.0/17
since Feb 2019
AS18403Residential11,016
102 always on
FPT Telecom
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
183.81.0.0/20
since Jun 2025
AS18403Residential1,439
17 always on
FPT Telecom
183.81.0.0/24
since Jun 2026
AS18403Residential256
8 always on
FPT Telecom
183.81.1.0/24
since Jun 2025
AS18403Residential146FPT Telecom
183.81.2.0/24
since Jun 2025
AS18403Residential79FPT Telecom
183.81.3.0/24
since Jun 2025
AS18403Residential146FPT Telecom
183.81.4.0/24
since Jun 2025
AS18403Residential56FPT Telecom
183.81.5.0/24
since Jun 2025
AS18403Residential40FPT Telecom
183.81.6.0/23
since May 2025
AS18403Residential77FPT Telecom
183.81.8.0/24
since Jun 2025
AS18403Residential251
1 always on
FPT Telecom
183.81.9.0/24
since Jun 2026
AS18403Residential256
5 always on
FPT Telecom
183.81.10.0/23
since Dec 2021
AS18403Residential55
3 always on
FPT Telecom
183.81.12.0/24
since Jun 2025
AS18403Residential77FPT Telecom
183.81.15.0/24
since Jan 2026
AS18403ResidentialFPT Telecom
183.81.16.0/20
since Jun 2025
AS18403Residential1,506
16 always on
FPT Telecom
183.81.16.0/24
since Jun 2025
AS18403Residential10.39%VPNVPN servicesoperated by VPN Gate90FPT Telecom
183.81.17.0/24
since Jun 2025
AS18403Residential80FPT Telecom
183.81.18.0/23
since Jun 2025
AS18403Residential512
6 always on
FPT Telecom
183.81.20.0/24
since Jun 2025
AS18403Residential66FPT Telecom
183.81.21.0/24
since Oct 8, 2026
AS18403Residential256
10 always on
FPT Telecom
183.81.22.0/23
since May 2025
AS18403Residential36FPT Telecom
183.81.24.0/24
since Jun 2025
AS18403Residential44FPT Telecom
183.81.25.0/24
since Jun 2026
AS18403Residential132FPT Telecom
183.81.26.0/24
since Jun 2025
AS18403Residential14FPT Telecom
183.81.27.0/24
since Jun 2025
AS18403Residential103FPT Telecom
183.81.28.0/24
since Jun 2025
AS18403Residential54FPT Telecom
183.81.29.0/24
since Jun 2025
AS18403Residential33FPT Telecom
183.81.30.0/24
since Jun 2025
AS18403ResidentialFPT Telecom
183.81.31.0/24
since Oct 8, 2026
AS18403Residential86FPT Telecom

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
183.81.0.0/1732,768FPT-VNFPT TelecomALLOCATED PORTABLE—hm-changed@vnnic.vn
└ 183.81.0.0/204,096FPTDYNAMICIP-NETFPT Telecom CompanyASSIGNED NON-PORTABLE—hm-changed@vnnic.vn
└ 183.81.16.0/204,096FPTDYNAMICIP-NETFPT Telecom CompanyASSIGNED NON-PORTABLE—hm-changed@vnnic.vn

Composition

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

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Residential8,191>99%28
VPNanonymizer10.01%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

183.81.0.0/18

Routing history

Pattern
Stable
First seen
Feb 2010
Current origin since
Sep 2019 · 7.1 yr
Origin networks
1