Data as of Nov 13, 2026
103.11.239.0/24
Anonymizer · ISP proxyInternet Initiative Japan Inc. · space held by Diamond Systems, Inc.
Announcement
this exact prefix
RPKI valid
Announced by
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 · 4 wk ago
1 · Holder
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 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
- Jan 15, 2013– Mar 15, 2016
- Mar 8, 2026– Oct 2, 2026
- Oct 14, 2026Route objectAS2497 Internet Initiative Japan Inc.RADB route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-AS2497
- Oct 14, 2026Route objectAS2497 Internet Initiative Japan Inc.JPIRR route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-AS2497
- Oct 17, 2026– today
- todayRegistry recordDiamond Systems, Inc.ALLOCATED PORTABLE103.11.236.0/22
- todayRoute objectAS2497 Internet Initiative Japan Inc.APNIC route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-DIAMOND-SYSTEMS-JP
- todayRoute objectAS202736 Wisdom Cloud Internet Technology Pte. Ltd.APNIC route object for AS202736 Wisdom Cloud Internet Technology Pte. Ltd., maintainer MAINT-DIAMOND-SYSTEMS-JP
- todayRoute objectAS216138 Skyquantum Telecom Ltd.APNIC route object for AS216138 Skyquantum Telecom Ltd., maintainer MAINT-DIAMOND-SYSTEMS-JP
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2013
- Current origin since
- Oct 17, 2026 · under a month
- Origin networks
- 3
- Last change of origin
- Oct 17, 2026
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2497 | APNIC | Diamond Systems, Inc. | MAINT-DIAMOND-SYSTEMS-JP | Oct 8, 2026 |
| AS2497 | RADB | IIJ Customer route | MAINT-AS2497 | Oct 14, 2026 |
| AS2497 | JPIRR | IIJ Customer route | MAINT-AS2497 | Oct 14, 2026 |
| AS202736 not the origin | APNIC | Diamond Systems, Inc. | MAINT-DIAMOND-SYSTEMS-JP | Oct 8, 2026 |
| AS216138 not the origin | APNIC | Diamond Systems, Inc. | MAINT-DIAMOND-SYSTEMS-JP | Oct 8, 2026 |
Whois
Registration for this announcement
- Range
- 103.
11. 236. 0/ 22 - Netname
- DIAMOND-SYSTEMS-JP
- Registrant
- Diamond Systems, Inc.
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 19, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 3, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
d-systems. biz - Name
- ABUSE DIAMONDSYSTEMSJP
- Handle
- AD654-AP