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Data as of Nov 9, 2026

122.255.128.0/18

1 anonymizer address · <0.01% · VPN86 residential-proxy exits · 30 days

JCOM Co., Ltd. · space held by Jupiter Telecommunications Co., Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS4721
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
86
0.52% of its addresses · 30 days
Always-on exits
5
5.8% of its exits
Spread
42 of 64
/24s with at least one exit
Providers
67
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

12K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
122.255.175.0/2425
122.255.170.0/2413
122.255.142.0/2412
122.255.189.0/2411
122.255.152.0/2405
122.255.172.0/2404
122.255.130.0/2404
122.255.178.0/2404
122.255.191.0/2403
122.255.173.0/2403
122.255.140.0/2403
122.255.136.0/2403
122.255.129.0/2403
122.255.168.0/2403
122.255.154.0/2403
122.255.176.0/2402
122.255.141.0/2402
122.255.132.0/2402
122.255.145.0/2402
122.255.156.0/2402
122.255.190.0/2402
122.255.165.0/2402
122.255.133.0/2402
122.255.180.0/2402

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPCola
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LudaxProxy
  • MangoProxy
  • MoMoProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • PROXYWING_BASIC
  • PacketStream
  • Proxio
  • Proxiware
  • Proxy-Seller
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • QUANTICDATA
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
Jupiter Telecommunications Co., Ltd.
2 · Leased from
not leased
3 · Announced by
AS4721 JCOM Co., Ltd.
since Dec 2006 · 19.9 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 122.255.128.0/18/24s
VPN GateUniversity of Tsukuba
1<0.01%
1

Lineage

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

122.255.128.0/18

From the registry to its use

  1. Dec 15, 2006– today
    Announced
    AS4721 JCOM Co., Ltd.
    Internet provider
  2. Mar 3, 2015
    Route object
    AS4721 JCOM Co., Ltd.
    RADB route object for AS4721 JCOM Co., Ltd., maintainer MAINT-AS9824
  3. Sep 15, 2015– Jun 27, 2016
    Announced
    AS4721 JCOM Co., Ltd.
    as part of 122.255.128.0/17
    122.255.128.0/17
  4. Aug 15, 2016– today
    Announced
    AS4721 JCOM Co., Ltd.
    as part of 122.255.128.0/17
    122.255.128.0/17
  5. Jul 10, 2026
    Route object
    AS4721 JCOM Co., Ltd.
    JPIRR route object for AS4721 JCOM Co., Ltd., maintainer MAINT-AS9824
  6. today
    Registry record
    Jupiter Telecommunications Co., Ltd.
    ALLOCATED PORTABLE
    122.255.128.0/18
  7. today
    Used
    VPN Gate
    VPN

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsRPKI
122.255.128.0/17
since Aug 2016
AS4721Residential162
14 always on

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%2
VPNanonymizer1<0.01%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Jupiter Telecommunications Co., Ltd.
Range
122.255.128.0/18
Registration type
ALLOCATED PORTABLE
Origin network

AS4721

JP
Name
JCOM Co., Ltd.
Type
Internet provider
Registered
Aug 30, 1995
Domain
jcom.co.jp
Spamhaus ASN-DROP
not listed