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Data as of Nov 8, 2026

211.128.16.0/20

2 anonymizer addresses · 0.05% · VPN27 residential-proxy exits · 30 days

STARCAT Co .,LTD. · space held by Japan Network Information Center

Announcement
this exact prefix
RPKI valid
Announced by
AS17529
Type
Residential
>99% of it

Residential-proxy exits

Proxy exits
27
0.66% of its addresses · 30 days
Always-on exits
5
19% of its exits
Spread
11 of 16
/24s with at least one exit
Providers
55
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

9.6K observations
  • VPN · anonymizer
  • Residential

/24s with the most always-on exits

/24Always-on exitsProxy exits
211.128.20.0/2426
211.128.18.0/2414
211.128.17.0/2413
211.128.21.0/2411
211.128.25.0/2404
211.128.19.0/2403
211.128.22.0/2402
211.128.24.0/2401
211.128.27.0/2401
211.128.29.0/2401
211.128.30.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • IPFly
  • IPPeak
  • Infatica
  • InfiniteProxies
  • Kookey
  • LemonBright
  • MagneticProxy
  • MangoProxy
  • Maskify
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PacketStream
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyRack
  • Proxying
  • Proxyma
  • RainProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
Japan Network Information Center
2 · Leased from
not leased
3 · Announced by
AS17529 STARCAT Co .,LTD.
since May 2005 · 21.5 yr ago
4 · Use
VPN servicesnamed VPN Gate
Residential

Operators, sellers and brokers

VPN services

NameParentIn 211.128.16.0/20/24s
VPN GateUniversity of Tsukuba
20.05%
2

Lineage

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

211.128.16.0/20

From the registry to its use

  1. May 9, 2005– today
    Announced
    AS17529 STARCAT Co .,LTD.
    Internet provider
  2. Feb 27, 2012
    Route object
    AS17529 STARCAT Co .,LTD.
    RADB route object for AS17529 STARCAT Co .,LTD., maintainer MAINT-AS9354
  3. Apr 14, 2017
    Route object
    AS17529 STARCAT Co .,LTD.
    NTTCOM route object for AS17529 STARCAT Co .,LTD., maintainer MAINT-AS9354
  4. Feb 2, 2026
    Route object
    AS17529 STARCAT Co .,LTD.
    JPIRR route object for AS17529 STARCAT Co .,LTD., maintainer MAINT-AS9354
  5. today
    Registry record
    Japan Network Information Center
    ALLOCATED PORTABLE
    211.120.0.0 - 211.135.255.255
  6. today
    Assigned
    STARCAT Co., Ltd.
    211.128.16.0/20
  7. today
    Used
    VPN Gate
    VPN

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
211.120.0.0 - 211.135.255.2551,048,576JPNIC-NET-JPJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential4,094>99%3
VPNanonymizer20.05%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
211.120.0.0 - 211.135.255.255
Registration type
ALLOCATED PORTABLE
Origin network

AS17529

JP
Name
STARCAT Co .,LTD.
Type
Internet provider
Registered
Dec 12, 2000
Domain
starcat.ne.jp
Spamhaus ASN-DROP
not listed