LAYER3 INTEL
Get started
Sign in
Data as of Nov 15, 2026

121.104.0.0/16

1 anonymizer address · <0.01% · VPN183 residential-proxy exits · 30 days

KDDI Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS2516
Type
Mobile
50% of it

Residential-proxy exits

Proxy exits
183
0.28% of its addresses · 30 days
Always-on exits
26
14% of its exits
Spread
76 of 256
/24s with at least one exit
Providers
87
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

42K observations
  • VPN · anonymizer
  • Residential
  • Mobile

/24s with the most always-on exits

/24Always-on exitsProxy exits
121.104.151.0/2427
121.104.134.0/2425
121.104.216.0/2424
121.104.196.0/2423
121.104.157.0/2417
121.104.222.0/2416
121.104.132.0/2415
121.104.255.0/2414
121.104.223.0/2413
121.104.244.0/2413
121.104.247.0/2413
121.104.219.0/2413
121.104.229.0/2413
121.104.190.0/2413
121.104.172.0/2413
121.104.178.0/2412
121.104.175.0/2412
121.104.224.0/2412
121.104.149.0/2412
121.104.198.0/2412
121.104.182.0/2411
121.104.156.0/2411
121.104.168.0/2405
121.104.140.0/2405

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • ASHBURNPROXIES
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonix
  • Geonode
  • GloryCloud
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPMUSK
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • LudaxProxy
  • MangoProxy
  • Maskify
  • MoMoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Oxylabs
  • PROXYLANE
  • PROXYSCRAPE
  • PROXYWING_BASIC
  • PacketStream
  • Proxio
  • Proxiware
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • ProxyStyler
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RainProxy
  • RoamProxy
  • SPYDERPROXY_PREMIUM
  • Shifter
  • Smartproxy
  • TORCHPROXIES_BASIC
  • TORCHPROXIES_PREMIUM
  • TORCHPROXIES_X
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • YumiProxy
  • ZENPROXY_LITE
  • ZENPROXY_PREMIUM
IPv4 market

Path

1 · Holder
KDDI Corporation
2 · Leased from
not leased
3 · Announced by
AS2516 KDDI Corporation
since Aug 2006 · 20.3 yr ago
4 · Use
VPN servicesnamed VPN Gate
Mobile

Operators, sellers and brokers

VPN services

NameParentIn 121.104.0.0/16/24s
VPN GateUniversity of Tsukuba
1<0.01%
1

Lineage

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

121.104.0.0/16

From the registry to its use

  1. Jul 19, 2006
    Route object
    AS2516 KDDI Corporation
    RADB route object for AS2516 KDDI Corporation, maintainer MAINT-AS2516
  2. Aug 1, 2006– Nov 14, 2026
    Announced
    AS2516 KDDI Corporation
    Internet provider
  3. May 3, 2026
    Route object
    AS2516 KDDI Corporation
    JPIRR route object for AS2516 KDDI Corporation, maintainer MAINT-AS2516
  4. today
    Registry record
    KDDI Corporation
    ALLOCATED PORTABLE
    121.104.0.0/13
  5. 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
121.104.0.0/13524,288KDDIKDDI CorporationALLOCATED 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

65,536 addresses
TypeAddressesShareRanges
Mobile32,76850%128
Residential32,76750%2
VPNanonymizer1<0.01%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Aug 2006
Current origin since
Aug 2006 · 20 yr
Origin networks
1