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Data as of Nov 8, 2026

203.139.52.0/24

1 residential-proxy exit · 30 days

SoftBank Corp. · space held by Japan Network Information Center

Announcement
203.139.0.0/18
No RPKI
Announced by
AS4725
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
12
selling exits here
Oct 9, 2026 – Nov 7, 2026

Exits seen per day

36 observations

Proxy providers listing exits

  • BirdProxies
  • Byteful
  • EnigmaProxy
  • GSocks
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxiware
  • Proxyma
  • Shifter
  • VantageProxies

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.136.0.0 - 203.141.255.255393,216JPNIC-NET-JPJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Network & registry

AnnouncementRouting historyWhois & abuse
Announced by

Covering announcement 203.139.0.0/18

Prefix
203.139.0.0/18
Announced by
AS4725 SoftBank Corp.
Type
Residential
Proxy exits
29
Always-on exits
6
RPKI
No RPKI
Netname
ULTINA-CIDR-BLK-JP
Registrant
SoftBank Corp.
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
203.136.0.0 - 203.141.255.255
Registration type
ALLOCATED PORTABLE
Origin network

AS4725

JP
Name
SoftBank Corp.
Type
Internet provider
Registered
Aug 30, 1995
Domain
softbank.jp
Website
www.softbank.jp/en/
Spamhaus ASN-DROP
not listed