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Data as of Nov 5, 2026

183.81.0.0/18

1 anonymizer address · <0.01% · VPN4,730 residential-proxy exits · 30 days

FPT Telecom Company · space held by FPT Telecom

Announcement
this exact prefix
RPKI valid
Announced by
AS18403
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
4,730
29% of its addresses · 30 days
Always-on exits
26
0.55% of its exits
Spread
46 of 64
/24s with at least one exit
Providers
112
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

805K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
183.81.0.0/246256
183.81.56.0/244256
183.81.9.0/243256
183.81.19.0/242256
183.81.61.0/242255
183.81.55.0/241256
183.81.50.0/241254
183.81.41.0/24199
183.81.40.0/24174
183.81.48.0/24165
183.81.11.0/24131
183.81.10.0/24119
183.81.35.0/2412
183.81.62.0/2411
183.81.21.0/240256
183.81.49.0/240255
183.81.18.0/240254
183.81.8.0/240247
183.81.3.0/240143
183.81.1.0/240108
183.81.25.0/240103
183.81.27.0/24082
183.81.63.0/24079
183.81.46.0/24078

Proxy providers listing exits

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  • NodeProxy
  • NovProxy
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  • PrivateByte
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  • Proxies.fo
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  • Proxiware
  • Proxmint
  • Proxy-Cheap
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
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  • Q2IP
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  • ResiProxies
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  • RolaProxy
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  • SwiftProxy
  • TalorData
  • Thordata
  • ThunderProxy
  • TrueProxies
  • TrustProxy
  • VProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
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 183.81.0.0/18/24s
VPN GateUniversity of Tsukuba
1<0.01%
1

Lineage

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

183.81.0.0/18

From the registry to its use

  1. Nov 24, 2009
    Route object
    AS18403 FPT Telecom Company
    RADB route object for AS18403 FPT Telecom Company, maintainer MAINT-AS18403
  2. Feb 8, 2010– Nov 8, 2013
    Announced
    AS18403 FPT Telecom Company
    Internet provider
  3. Sep 8, 2010– Nov 13, 2017
    Announced
    AS18403 FPT Telecom Company
    as part of 183.81.0.0/17
    183.81.0.0/17
  4. Jan 25, 2018– Jun 17, 2018
    Announced
    AS18403 FPT Telecom Company
    as part of 183.81.0.0/17
    183.81.0.0/17
  5. Feb 13, 2019– today
    Announced
    AS18403 FPT Telecom Company
    as part of 183.81.0.0/17
    183.81.0.0/17
  6. Sep 29, 2019– today
    Announced
    AS18403 FPT Telecom Company
    Internet provider
  7. today
    Registry record
    FPT Telecom
    ALLOCATED PORTABLE
    183.81.0.0/17
  8. today
    Route object
    AS18403 FPT Telecom Company
    APNIC route object for AS18403 FPT Telecom Company, maintainer MAINT-VN-FPT
  9. today
    Route object
    AS18403 FPT Telecom Company
    APNIC route object for AS18403 FPT Telecom Company, maintainer MAINT-VN-FPT
    183.81.0.0/19
  10. today
    Route object
    AS18403 FPT Telecom Company
    APNIC route object for AS18403 FPT Telecom Company, maintainer MAINT-VN-FPT
    183.81.32.0/19
  11. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
183.81.0.0/17
since Feb 2019
AS18403Residential9,735
94 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
AS18403Residential1,326
11 always on
FPT Telecom
183.81.0.0/24
since Jun 2026
AS18403Residential256
6 always on
FPT Telecom
183.81.1.0/24
since Jun 2025
AS18403Residential108FPT Telecom
183.81.2.0/24
since Jun 2025
AS18403Residential53FPT Telecom
183.81.3.0/24
since Jun 2025
AS18403Residential143FPT Telecom
183.81.4.0/24
since Jun 2025
AS18403Residential50FPT Telecom
183.81.5.0/24
since Jun 2025
AS18403Residential37FPT Telecom
183.81.6.0/23
since May 2025
AS18403Residential66FPT Telecom
183.81.8.0/24
since Jun 2025
AS18403Residential247FPT Telecom
183.81.9.0/24
since Jun 2026
AS18403Residential256
3 always on
FPT Telecom
183.81.10.0/23
since Dec 2021
AS18403Residential50
2 always on
FPT Telecom
183.81.12.0/24
since Jun 2025
AS18403Residential60FPT Telecom
183.81.15.0/24
since Jan 2026
AS18403ResidentialFPT Telecom
183.81.16.0/20
since Jun 2025
AS18403Residential1,349
2 always on
FPT Telecom
183.81.16.0/24
since Jun 2025
AS18403Residential74FPT Telecom
183.81.17.0/24
since Jun 2025
AS18403Residential62FPT Telecom
183.81.18.0/23
since Jun 2025
AS18403Residential510
2 always on
FPT Telecom
183.81.20.0/24
since Jun 2025
AS18403Residential54FPT Telecom
183.81.21.0/24
since Oct 8, 2026
AS18403Residential256FPT Telecom
183.81.22.0/23
since May 2025
AS18403Residential21FPT Telecom
183.81.24.0/24
since Jun 2025
AS18403Residential41FPT Telecom
183.81.25.0/24
since Jun 2026
AS18403Residential103FPT Telecom
183.81.26.0/24
since Jun 2025
AS18403Residential10FPT Telecom
183.81.27.0/24
since Jun 2025
AS18403Residential82FPT Telecom
183.81.28.0/24
since Jun 2025
AS18403Residential38FPT Telecom
183.81.29.0/24
since Jun 2025
AS18403Residential24FPT Telecom
183.81.30.0/24
since Jun 2025
AS18403ResidentialFPT Telecom
183.81.31.0/24
since Oct 8, 2026
AS18403Residential74FPT Telecom
183.81.32.0/20
since Jun 2025
AS18403Residential320
3 always on
FPT Telecom
183.81.33.0/24
since Jun 2019
AS18403ResidentialFPT Telecom
183.81.35.0/24
since Oct 2019
AS18403Residential2
1 always on
FPT Telecom
183.81.37.0/24
since Feb 2020
AS18403ResidentialFPT Telecom
183.81.39.0/24
since Aug 2020
AS18403ResidentialFPT Telecom
183.81.40.0/24
since Jun 2025
AS18403Residential74
1 always on
FPT Telecom
183.81.41.0/24
since Jun 2025
AS18403Residential99
1 always on
FPT Telecom
183.81.46.0/23
since Jun 2025
AS18403Residential145FPT Telecom
183.81.48.0/20
since Jun 2025
AS18403Residential1,739
10 always on
FPT Telecom
183.81.48.0/24
since Jun 2025
AS18403Residential65
1 always on
FPT Telecom
183.81.49.0/24
since Jun 2025
AS18403Residential255FPT Telecom
183.81.50.0/24
since Jun 2025
AS18403Residential254
1 always on
FPT Telecom
183.81.51.0/24
since Jun 2025
AS18403Residential57FPT Telecom
183.81.54.0/24
since Jun 2025
AS18403Residential66FPT Telecom
183.81.55.0/24
since Jan 2026
AS18403Residential256
1 always on
FPT Telecom
183.81.56.0/24
since Jun 2026
AS18403Residential256
4 always on
FPT Telecom
183.81.57.0/24
since Jun 2025
AS18403Residential62FPT Telecom
183.81.58.0/24
since May 2025
AS18403Residential65FPT Telecom
183.81.60.0/24
since Jun 2025
AS18403Residential10.39%VPNVPN servicesoperated by VPN Gate68FPT Telecom
183.81.61.0/24
since Jun 2025
AS18403Residential255
2 always on
FPT Telecom
183.81.62.0/24
since May 2018
AS18403Residential1
1 always on
FPT Telecom
183.81.63.0/24
since Jun 2025
AS18403Residential79FPT Telecom

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
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
└ 183.81.32.0/204,096FPTDYNAMICIP-NETFPT Telecom CompanyASSIGNED NON-PORTABLE—hm-changed@vnnic.vn
└ 183.81.48.0/204,096FPTDYNAMICIP-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

16,384 addresses
TypeAddressesShareRanges
Residential16,383>99%55
VPNanonymizer1<0.01%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS18403

VN
Name
FPT Telecom Company
Type
Internet provider
Registered
Jan 3, 2003
Domain
fpt.vn
Website
www.fpt.vn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed