Data as of Nov 5, 2026
183.81.0.0/17
2 anonymizer addresses · <0.01% · VPN9,723 residential-proxy exits · 30 daysFPT Telecom Company · space held by FPT Telecom
Residential-proxy exits
Proxy exits
9,723
30% of its addresses · 30 days
Always-on exits
94
0.97% of its exits
Spread
97 of 128
/24s with at least one exit
Providers
114
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
1.6M observations
- VPN · anonymizer
- Residential
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 183.81.75.0/24 | 10 | 256 | |
| 183.81.111.0/24 | 7 | 121 | |
| 183.81.0.0/24 | 6 | 256 | |
| 183.81.81.0/24 | 6 | 134 | |
| 183.81.70.0/24 | 6 | 102 | |
| 183.81.69.0/24 | 5 | 120 | |
| 183.81.56.0/24 | 4 | 256 | |
| 183.81.120.0/24 | 4 | 256 | |
| 183.81.93.0/24 | 4 | 256 | |
| 183.81.74.0/24 | 4 | 256 | |
| 183.81.64.0/24 | 4 | 125 | |
| 183.81.76.0/24 | 4 | 121 | |
| 183.81.9.0/24 | 3 | 256 | |
| 183.81.121.0/24 | 3 | 256 | |
| 183.81.104.0/24 | 3 | 105 | |
| 183.81.112.0/24 | 2 | 256 | |
| 183.81.19.0/24 | 2 | 256 | |
| 183.81.123.0/24 | 2 | 256 | |
| 183.81.61.0/24 | 2 | 255 | |
| 183.81.122.0/24 | 1 | 256 | |
| 183.81.55.0/24 | 1 | 256 | |
| 183.81.50.0/24 | 1 | 254 | |
| 183.81.41.0/24 | 1 | 99 | |
| 183.81.105.0/24 | 1 | 92 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BartProxies
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- Bright Data
- BuyingProxy
- ByteProxies
- Byteful
- CatProxies
- CliProxy
- CoreProxy
- DataImpulse
- Datarama
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- FuseProxy
- GSocks
- GeekProxy
- Geonix
- Geonode
- GhostConnect
- GloryCloud
- GoProxies
- GonzoProxy
- HideProxy
- HydraProxy
- IPCola
- IPFly
- IPOasis
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KindProxy
- KocerRoxy
- Kookey
- LemonBright
- LemonLabs
- LemonPrime
- LightningProxies
- LudaxProxy
- MagneticProxy
- MangoProxy
- MarsProxies
- Maskify
- MoMoProxy
- MrScraper
- NSocks
- NextProxy
- NiuProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PSBProxy
- PacketStream
- PrivateByte
- PrivateProxy
- Proxies.fo
- ProxiesVision
- Proxio
- Proxiware
- Proxmint
- Proxy-Cheap
- Proxy-Seller
- Proxy302
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyHat
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- Q2IP
- RainProxy
- RapidProxy
- ResiProxies
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- SpyderProxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- TrueProxies
- TrustProxy
- VProxy
- VantageProxies
- VibeProxies
- VitalData
- VitalExclusive
- VitalProxy
- Webshare
- YumiProxy
IPv4 market
Path
1 · Holder
2 · Leased from
not leased
Operators, sellers and brokers
VPN services
| Name | Parent | In 183.81.0.0/17 | /24s |
|---|---|---|---|
| VPN Gate | University of Tsukuba | 2<0.01% | 2 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
183.81.0.0/17
From the registry to its use
- Sep 8, 2010– Nov 13, 2017
- Sep 9, 2010Route objectAS18403 FPT Telecom CompanyRADB route object for AS18403 FPT Telecom Company, maintainer MAINT-AS3491
- Jan 17, 2017Route objectAS18403 FPT Telecom CompanyNTTCOM route object for AS18403 FPT Telecom Company, maintainer MAINT-CMI-INT-HK
- Jan 25, 2018– Jun 17, 2018
- Feb 13, 2019– today
- todayRegistry recordFPT TelecomALLOCATED PORTABLE183.81.0.0/17
- todayRoute objectAS18403 FPT Telecom CompanyAPNIC route object for AS18403 FPT Telecom Company, maintainer MAINT-VN-FPT
- todayUsedVPN GateVPN
Announcements
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
| Prefix | Origin | Type | Anonymizer addresses | Operator | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|
| 183.81.0.0/18 since Sep 2019 | AS18403 | Residential | 4,734 26 always on | FPT Telecom | |||
| 183.81.0.0/20 since Jun 2025 | AS18403 | Residential | 1,326 11 always on | FPT Telecom | |||
| 183.81.0.0/24 since Jun 2026 | AS18403 | Residential | 256 6 always on | FPT Telecom | |||
| 183.81.1.0/24 since Jun 2025 | AS18403 | Residential | 108 | FPT Telecom | |||
| 183.81.2.0/24 since Jun 2025 | AS18403 | Residential | 53 | FPT Telecom | |||
| 183.81.3.0/24 since Jun 2025 | AS18403 | Residential | 143 | FPT Telecom | |||
| 183.81.4.0/24 since Jun 2025 | AS18403 | Residential | 50 | FPT Telecom | |||
| 183.81.5.0/24 since Jun 2025 | AS18403 | Residential | 37 | FPT Telecom | |||
| 183.81.6.0/23 since May 2025 | AS18403 | Residential | 66 | FPT Telecom | |||
| 183.81.8.0/24 since Jun 2025 | AS18403 | Residential | 247 | FPT Telecom | |||
| 183.81.9.0/24 since Jun 2026 | AS18403 | Residential | 256 3 always on | FPT Telecom | |||
| 183.81.10.0/23 since Dec 2021 | AS18403 | Residential | 50 2 always on | FPT Telecom | |||
| 183.81.12.0/24 since Jun 2025 | AS18403 | Residential | 60 | FPT Telecom | |||
| 183.81.15.0/24 since Jan 2026 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.16.0/20 since Jun 2025 | AS18403 | Residential | 1,349 2 always on | FPT Telecom | |||
| 183.81.16.0/24 since Jun 2025 | AS18403 | Residential | 74 | FPT Telecom | |||
| 183.81.17.0/24 since Jun 2025 | AS18403 | Residential | 62 | FPT Telecom | |||
| 183.81.18.0/23 since Jun 2025 | AS18403 | Residential | 510 2 always on | FPT Telecom | |||
| 183.81.20.0/24 since Jun 2025 | AS18403 | Residential | 54 | FPT Telecom | |||
| 183.81.21.0/24 since Oct 8, 2026 | AS18403 | Residential | 256 | FPT Telecom | |||
| 183.81.22.0/23 since May 2025 | AS18403 | Residential | 21 | FPT Telecom | |||
| 183.81.24.0/24 since Jun 2025 | AS18403 | Residential | 41 | FPT Telecom | |||
| 183.81.25.0/24 since Jun 2026 | AS18403 | Residential | 103 | FPT Telecom | |||
| 183.81.26.0/24 since Jun 2025 | AS18403 | Residential | 10 | FPT Telecom | |||
| 183.81.27.0/24 since Jun 2025 | AS18403 | Residential | 82 | FPT Telecom | |||
| 183.81.28.0/24 since Jun 2025 | AS18403 | Residential | 38 | FPT Telecom | |||
| 183.81.29.0/24 since Jun 2025 | AS18403 | Residential | 24 | FPT Telecom | |||
| 183.81.30.0/24 since Jun 2025 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.31.0/24 since Oct 8, 2026 | AS18403 | Residential | 74 | FPT Telecom | |||
| 183.81.32.0/20 since Jun 2025 | AS18403 | Residential | 320 3 always on | FPT Telecom | |||
| 183.81.33.0/24 since Jun 2019 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.35.0/24 since Oct 2019 | AS18403 | Residential | 2 1 always on | FPT Telecom | |||
| 183.81.37.0/24 since Feb 2020 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.39.0/24 since Aug 2020 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.40.0/24 since Jun 2025 | AS18403 | Residential | 74 1 always on | FPT Telecom | |||
| 183.81.41.0/24 since Jun 2025 | AS18403 | Residential | 99 1 always on | FPT Telecom | |||
| 183.81.46.0/23 since Jun 2025 | AS18403 | Residential | 145 | FPT Telecom | |||
| 183.81.48.0/20 since Jun 2025 | AS18403 | Residential | 1,739 10 always on | FPT Telecom | |||
| 183.81.48.0/24 since Jun 2025 | AS18403 | Residential | 65 1 always on | FPT Telecom | |||
| 183.81.49.0/24 since Jun 2025 | AS18403 | Residential | 255 | FPT Telecom | |||
| 183.81.50.0/24 since Jun 2025 | AS18403 | Residential | 254 1 always on | FPT Telecom | |||
| 183.81.51.0/24 since Jun 2025 | AS18403 | Residential | 57 | FPT Telecom | |||
| 183.81.54.0/24 since Jun 2025 | AS18403 | Residential | 66 | FPT Telecom | |||
| 183.81.55.0/24 since Jan 2026 | AS18403 | Residential | 256 1 always on | FPT Telecom | |||
| 183.81.56.0/24 since Jun 2026 | AS18403 | Residential | 256 4 always on | FPT Telecom | |||
| 183.81.57.0/24 since Jun 2025 | AS18403 | Residential | 62 | FPT Telecom | |||
| 183.81.58.0/24 since May 2025 | AS18403 | Residential | 65 | FPT Telecom | |||
| 183.81.60.0/24 since Jun 2025 | AS18403 | Residential | 10.39%VPN | VPN servicesoperated by VPN Gate | 68 | FPT Telecom | |
| 183.81.61.0/24 since Jun 2025 | AS18403 | Residential | 255 2 always on | FPT Telecom | |||
| 183.81.62.0/24 since May 2018 | AS18403 | Residential | 1 1 always on | FPT Telecom | |||
| 183.81.63.0/24 since Jun 2025 | AS18403 | Residential | 79 | FPT Telecom | |||
| 183.81.64.0/18 since Sep 2019 | AS18403 | Residential | 5,001 68 always on | FPT Telecom | |||
| 183.81.64.0/20 since Jun 2025 | AS18403 | Residential | 1,409 33 always on | FPT Telecom | |||
| 183.81.64.0/24 since Jun 2025 | AS18403 | Residential | 125 4 always on | FPT Telecom | |||
| 183.81.65.0/24 since Jun 2025 | AS18403 | Residential | 51 | FPT Telecom | |||
| 183.81.66.0/24 since Jun 2025 | AS18403 | Residential | 33 | FPT Telecom | |||
| 183.81.67.0/24 since Jun 2025 | AS18403 | Residential | 25 | FPT Telecom | |||
| 183.81.68.0/24 since Jun 2025 | AS18403 | Residential | 27 | FPT Telecom | |||
| 183.81.69.0/24 since Jun 2025 | AS18403 | Residential | 120 5 always on | FPT Telecom | |||
| 183.81.70.0/24 since Jun 2025 | AS18403 | Residential | 102 6 always on | FPT Telecom | |||
| 183.81.71.0/24 since Jun 2026 | AS18403 | Residential | 120 | FPT Telecom | |||
| 183.81.73.0/24 since Jun 2025 | AS18403 | Residential | 12 | FPT Telecom | |||
| 183.81.74.0/24 since Jun 2025 | AS18403 | Residential | 256 4 always on | FPT Telecom | |||
| 183.81.75.0/24 since Jun 2025 | AS18403 | Residential | 256 10 always on | FPT Telecom | |||
| 183.81.76.0/24 since Jun 2025 | AS18403 | Residential | 121 4 always on | FPT Telecom | |||
| 183.81.78.0/24 since Jun 2025 | AS18403 | Residential | 98 | FPT Telecom | |||
| 183.81.79.0/24 since Jun 2025 | AS18403 | Residential | 63 | FPT Telecom | |||
| 183.81.80.0/20 since Dec 2024 | AS18403 | Residential | 1,253 10 always on | FPT Telecom | |||
| 183.81.80.0/24 since Jun 2025 | AS18403 | Residential | 46 | FPT Telecom | |||
| 183.81.81.0/24 since Jun 2025 | AS18403 | Residential | 134 6 always on | FPT Telecom | |||
| 183.81.84.0/24 since Jun 2026 | AS18403 | Residential | 116 | FPT Telecom | |||
| 183.81.86.0/23 since May 2025 | AS18403 | Residential | 315 | FPT Telecom | |||
| 183.81.86.0/24 since Nov 2024 | AS18403 | Residential | 150 | FPT Telecom | |||
| 183.81.87.0/24 since Nov 2024 | AS18403 | Residential | 165 | FPT Telecom | |||
| 183.81.88.0/24 since Jun 2025 | AS18403 | Residential | 48 | FPT Telecom | |||
| 183.81.89.0/24 since Apr 2026 | AS18403 | Residential | 70 | FPT Telecom | |||
| 183.81.90.0/24 since Jun 2025 | AS18403 | Residential | 40 | FPT Telecom | |||
| 183.81.91.0/24 since Jun 2025 | AS18403 | Residential | 72 | FPT Telecom | |||
| 183.81.93.0/24 since Jun 2025 | AS18403 | Residential | 256 4 always on | FPT Telecom | |||
| 183.81.94.0/24 since Jun 2025 | AS18403 | Residential | 73 | FPT Telecom | |||
| 183.81.95.0/24 since Jun 2025 | AS18403 | Residential | 83 | FPT Telecom | |||
| 183.81.96.0/20 since Jun 2025 | AS18403 | Residential | 806 13 always on | FPT Telecom | |||
| 183.81.96.0/24 since May 2023 | AS18403 | Residential | 10 1 always on | FPT Telecom | |||
| 183.81.98.0/24 since May 2023 | AS18403 | Residential | 4 1 always on | FPT Telecom | |||
| 183.81.99.0/24 since Jun 2025 | AS18403 | Residential | 59 | FPT Telecom | |||
| 183.81.100.0/24 since Jun 2025 | AS18403 | Residential | 10.39%VPN | VPN servicesoperated by VPN Gate | 72 | FPT Telecom | |
| 183.81.101.0/24 since Jun 2025 | AS18403 | Residential | 70 | FPT Telecom | |||
| 183.81.103.0/24 since Jun 2025 | AS18403 | Residential | 48 | FPT Telecom | |||
| 183.81.104.0/24 since Jun 2025 | AS18403 | Residential | 105 3 always on | FPT Telecom | |||
| 183.81.105.0/24 since Jun 2025 | AS18403 | Residential | 92 1 always on | FPT Telecom | |||
| 183.81.106.0/24 since Oct 29, 2026 | AS18403 | Residential | 29 | FPT Telecom | |||
| 183.81.107.0/24 since Oct 29, 2026 | AS18403 | Residential | 28 | FPT Telecom | |||
| 183.81.108.0/23 since Jun 2025 | AS18403 | Residential | 128 | FPT Telecom | |||
| 183.81.110.0/24 since Jun 2025 | AS18403 | Residential | 40 | FPT Telecom | |||
| 183.81.111.0/24 since Jun 2025 | AS18403 | Residential | 121 7 always on | FPT Telecom | |||
| 183.81.112.0/20 since Jun 2025 | AS18403 | Residential | 1,533 12 always on | FPT Telecom | |||
| 183.81.112.0/24 since Jun 2025 | AS18403 | Residential | 256 2 always on | FPT Telecom | |||
| 183.81.113.0/24 since Jun 2025 | AS18403 | Residential | 102 | FPT Telecom | |||
| 183.81.115.0/24 since May 2023 | AS18403 | Residential | 6 | FPT Telecom | |||
| 183.81.116.0/23 since Jun 2025 | AS18403 | Residential | 86 | FPT Telecom | |||
| 183.81.118.0/24 since Jun 2025 | AS18403 | Residential | 34 | FPT Telecom | |||
| 183.81.119.0/24 since Jun 2025 | AS18403 | Residential | 25 | FPT Telecom | |||
| 183.81.120.0/22 since Jun 2026 | AS18403 | Residential | 1,024 10 always on | FPT Telecom | |||
| 183.81.124.0/23 since Jun 2025 | AS18403 | Residential | FPT Telecom | ||||
| 183.81.126.0/23 since Jun 2025 | AS18403 | Residential | FPT 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 183.81.0.0/17 | 32,768 | FPT-VN | FPT Telecom | ALLOCATED PORTABLE | — | hm-changed@ |
| └ 183.81.0.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.16.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.32.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.48.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.64.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.80.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.96.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
| └ 183.81.112.0/20 | 4,096 | FPTDYNAMICIP-NET | FPT Telecom Company | ASSIGNED NON-PORTABLE | — | hm-changed@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
32,768 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 32,766 | >99% | 112 | |
| VPNanonymizer | 2 | <0.01% | 2 |
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2010
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 183.81.0.0/17 | AS18403 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 183.
81. 0. 0/ 17 - Netname
- FPT-VN
- Registrant
- FPT Telecom
- Registrant country
- VN
- Organization
- FPT Telecom
- Org country
- VN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 16, 2023
- Maintainer
- MAINT-VN-VNNIC
- RIR
- APNIC
- Country
- VN
- Delegated
- Nov 8, 2009
- Status
- assigned
Report abuse
Abuse contact
- hm-changed@
vnnic. vn - Name
- IRT-VNNIC-AP
- Handle
- IRT-VNNIC-AP