Data as of Nov 12, 2026
103.23.72.0/24
Anonymizer · ISP proxyNTT America, Inc. · space held by Central Information Technology, 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
2 · Leased from
not leased
4 · Use
ISP proxy
anonymizer space, operator not named
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
103.23.72.0/24
From the registry to its use
- Nov 9, 2018– Oct 7, 2024
- Dec 26, 2025– Jun 11, 2026
- May 31, 2026– Jul 5, 2026
- Jul 6, 2026– today
- todayRegistry recordCentral Information Technology, Inc.ALLOCATED PORTABLE103.23.72.0/22
- todayReallocatedNTT Communications CorporationALLOCATED NON-PORTABLE103.23.72.0/24
- todayRoute objectAS2914 NTT America, Inc.APNIC route object for AS2914 NTT America, Inc., maintainer MAINT-CIT-NET-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 |
|---|---|---|---|---|---|---|
| 103.23.72.0/22 | 1,024 | CIT-NET-JP | Central Information Technology, Inc. (ORG-CITI1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.23.72.0/24 | 256 | NTT_ | NTT Communications Corporation | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Central Information Technology, Inc.
- Handle
- ORG-CITI1-AP
- Range
- 103.
23. 72. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- NTT Communications Corporation
- Reallocated range
- 103.
23. 72. 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 2018
- 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.
23. 72. 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-CIT-NET-JP
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 16, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
worldfirstcomm. top - Name
- Kevin Wang
- Handle
- KW770-AP