Data as of Nov 3, 2026
103.6.23.0/24
Anonymizer · ISP proxyNTT America, 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 Jul 2026
from AS216138 Skyquantum Telecom Ltd.
IPv4 market
Path
Announced by AS2914 since Jul 2026 · 4 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 103.6.23.0/24 | /24s |
|---|---|---|
| Diamond Systems, Inc. | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
103.6.23.0/24
From the registry to its use
- Nov 15, 2012– Jul 8, 2013
- Jan 7, 2026– Jun 11, 2026
- May 31, 2026– Jul 5, 2026
- Jul 6, 2026– Nov 2, 2026
- todayRegistry recordDiamond Systems, Inc.ALLOCATED PORTABLE103.6.20.0/22
- todayReallocatedNTT Communications CorporationALLOCATED NON-PORTABLE103.6.23.0/24
- todayRoute objectAS2914 NTT America, Inc.APNIC route object for AS2914 NTT America, Inc., maintainer MAINT-DIAMOND-SYSTEMS-JP
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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 103.6.20.0/22 | 1,024 | DIAMOND-SYSTEMS-AS-AP | Diamond Systems, Inc. (ORG-DSI1-AP) · JP | ALLOCATED PORTABLE | — | [email protected] |
| └ 103.6.23.0/24 | 256 | NTT_Communications_Corporation | NTT Communications Corporation | ALLOCATED NON-PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Diamond Systems, Inc.
- Handle
- ORG-DSI1-AP
- Range
- 103.6.20.0/22
- Registration type
- ALLOCATED PORTABLE
- Reallocated to
- NTT Communications Corporation
- Reallocated range
- 103.6.23.0/24
- Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS2914
US
- Name
- NTT America, Inc.
- Type
- Internet provider
- Registered
- Dec 7, 1998
- Domain
- ntt.net
- Website
- www.gin.ntt.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2012
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 4
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 103.6.23.0/24
- Netname
- NTT_Communications_Corporation
- Registrant
- NTT Communications Corporation
- Registrant country
- JP
- Organization
- NTT Communications Corporation
- Org country
- JP
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 2, 2026
- Maintainer
- MAINT-DIAMOND-SYSTEMS-JP
- RIR
- APNIC
- Country
- JP
- Delegated
- Feb 15, 2012
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Kevin Wang
- Handle
- KW770-AP