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Data as of Nov 9, 2026

203.140.161.0/24

1 residential-proxy exit · 30 days

SYNAPSE Co.,Ltd. · space held by Japan Network Information Center

Announcement
203.140.160.0/20
RPKI valid
Announced by
AS7511
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • FastProxy

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 historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 203.140.160.0/20

Prefix
203.140.160.0/20
Announced by
AS7511 SYNAPSE Co.,Ltd.
Type
Residential
Proxy exits
35
Always-on exits
3
RPKI
RPKI valid
Netname
SYNAPSE-CIDR-BLK-JP
Registrant
SYNAPSE Co.,Ltd.
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

AS7511

JP
Name
SYNAPSE Co.,Ltd.
Type
Internet provider
Registered
Mar 3, 1997
Domain
synapse.jp
Website
www.synapse.jp
Spamhaus ASN-DROP
not listed