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Data as of Nov 4, 2026

203.153.72.0/21

2 anonymizer addresses · 0.10% · VPN17 residential-proxy exits · 30 days

Netforest,Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS17931
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
17
0.83% of its addresses · 30 days
Always-on exits
4
24% of its exits
Spread
6 of 8
/24s with at least one exit
Providers
54
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

7.7K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.153.72.0/2436
203.153.77.0/2412
203.153.78.0/2403
203.153.75.0/2402
203.153.76.0/2402
203.153.79.0/2402

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • CoreProxy
  • DataImpulse
  • Decodo
  • EnigmaProxy
  • Evomi
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonBright
  • LemonLabs
  • LemonPrime
  • MangoProxy
  • Maskify
  • NextProxy
  • NodeProxy
  • NovaProxy
  • Oxylabs
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • Thordata
  • VantageProxies
  • VitalData
  • VitalExclusive
IPv4 market

Path

1 · Holder
Netforest,Inc
2 · Leased from
not leased
3 · Announced by
AS17931 Netforest,Inc.
since Aug 2011 · 15.3 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 203.153.72.0/21/24s
VPN GateUniversity of Tsukuba
20.10%
2

Lineage

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

203.153.72.0/21

From the registry to its use

  1. Aug 1, 2011– today
    Announced
    AS17931 Netforest,Inc.
    Internet provider
  2. Sep 5, 2024
    Route object
    AS17931 Netforest,Inc.
    RADB route object for AS17931 Netforest,Inc., maintainer MAINT-AS17931
  3. Sep 1, 2025
    Route object
    AS17931 Netforest,Inc.
    JPIRR route object for AS17931 Netforest,Inc., maintainer MAINT-AS17931
  4. today
    Registry record
    Netforest,Inc
    ALLOCATED PORTABLE
    203.153.64.0/20
  5. 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

2,048 addresses
TypeAddressesShareRanges
Residential2,046>99%3
VPNanonymizer20.10%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS17931

JP
Name
Netforest,Inc.
Type
Internet provider
Registered
Sep 21, 2001
Domain
netforest.ad.jp
Website
www.netforest.ad.jp
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed