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Data as of Nov 5, 2026

103.11.239.0/24

Anonymizer · ISP proxy

Internet Initiative Japan Inc. · space held by Diamond Systems, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS2497
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 17, 2026
from AS142622 Dream Information Laboratory
IPv4 market

Path

Announced by AS2497 since Oct 17, 2026 · 3 wk ago
1 · Holder
Diamond Systems, Inc.
2 · Leased from
Diamond Systems, Inc.
its owner, directly
3 · Announced by
AS2497 Internet Initiative Japan Inc.
since Oct 17, 2026 · 3 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 103.11.239.0/24/24s
Diamond Systems, Inc.
256100%
1

Lineage

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

103.11.239.0/24

From the registry to its use

  1. Jan 15, 2013– Mar 15, 2016
    Announced
    AS9919 New Century InfoComm Tech Co., Ltd.
    Internet provider
  2. Mar 8, 2026– Oct 2, 2026
    Announced
    AS142622 Dream Information Laboratory
    Hosting
  3. Oct 14, 2026
    Route object
    AS2497 Internet Initiative Japan Inc.
    RADB route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-AS2497
  4. Oct 17, 2026– today
    Announced
    AS2497 Internet Initiative Japan Inc.
    Internet provider
  5. today
    Registry record
    Diamond Systems, Inc.
    ALLOCATED PORTABLE
    103.11.236.0/22
  6. today
    Route object
    AS142622 Dream Information Laboratory
    APNIC route object for AS142622 Dream Information Laboratory, maintainer MAINT-DIAMOND-SYSTEMS-JP

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2497

JP
Name
Internet Initiative Japan Inc.
Type
Internet provider
Registered
Apr 5, 2002
Domain
iij.ad.jp
Website
www.iij.ad.jp/en/
Spamhaus ASN-DROP
not listed