Data as of Nov 9, 2026
14.137.243.0/24
Anonymizer · ISP proxyInternet Initiative Japan Inc. · space held by Alpha Co Inc
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin May 2026
from AS151389 Synergy Cross Corporation
IPv4 market
Path
Announced by AS2497 since May 2026 · 6 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 14.137.243.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 14.137.243.0/24 | /24s |
|---|---|---|
| Alpha Co Inc | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
14.137.243.0/24
From the registry to its use
- Jan 31, 2026– May 18, 2026AnnouncedAS151389 Synergy Cross Corporation
- May 13, 2026Route objectIPXORADB route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-AS834
- May 19, 2026– today
- todayRegistry recordAlpha Co IncALLOCATED PORTABLE14.137.224.0/19
- todayReallocatedIPOXALLOCATED NON-PORTABLE14.137.240.0/20
- todayLeased fromIPXOIP broker
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 |
|---|---|---|---|---|---|---|
| 14.137.224.0/19 | 8,192 | ALPHA-JP | Alpha Co Inc (ORG-ACI4-AP) · JP | ALLOCATED PORTABLE | — | ipxo@ |
| └ 14.137.240.0/20 | 4,096 | ALPHA-JP-SUB2 | IPOX | ALLOCATED NON-PORTABLE | — | report@ |
Network & registry
IPv4 market
Holder
- Organization
- Alpha Co Inc
- Handle
- ORG-ACI4-AP
- Range
- 14.
137. 224. 0/ 19 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- IPOX
- Reallocated range
- 14.
137. 240. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
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 2026
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 2
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 14.
137. 240. 0/ 20 - Netname
- ALPHA-JP-SUB2
- Registrant
- IPOX
- Registrant country
- JP
- Organization
- IPOX
- Org country
- JP
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 18, 2026
- Maintainer
- MAINT-NETUTILS-AP
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 7, 2011
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Network Utilities
- Handle
- NU14-AP