Data as of Nov 9, 2026
103.15.186.0/24
No anonymizer space · no proxy exits in 30 daysARTERIA Networks Corporation · space held by WorkUP Inc.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 103.15.184.0/22 | 1,024 | WORKUP-JP | WorkUP Inc. (ORG-GNCL1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.15.186.0/24 | 256 | GRNT | Green Net Co., Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.15.186.8/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.16/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.24/29 | 8 | ZEROXZEROX | ZEROX Inc. | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.32/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.48/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.56/29 | 8 | BELUE | belue creative,inc. | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.64/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.80/29 | 8 | SEVENARTISANNET | 7 Artisan LLC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.88/29 | 8 | KIZUNANET | KIZUNACORP | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.104/29 | 8 | KIZUNANET | KIZUNACORP | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.112/29 | 8 | KIZUNANET | KIZUNACORP | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.120/29 | 8 | OSOADATA | OSOA Co.,Ltd | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.128/29 | 8 | KIZUNANET | KIZUNACORP | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.136/29 | 8 | KIZUNANET | KIZUNACORP | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.144/29 | 8 | GREENNET | System Revolution Japan co.,Ltd. | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 103.15.186.160/29 | 8 | PIC | Pacific Island Company | ASSIGNED NON-PORTABLE | — | apnic@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 128 | 50% | 16 | |
| Residential | 128 | 50% | 6 |
Network & registry
Announced by
Covering announcement 103.15.184.0/22
- Prefix
- 103.15.184.0/22
- Announced by
- AS2519 ARTERIA Networks Corporation
- Type
- Residential
- RPKI
- No RPKI
- Netname
- WORKUP-JP
- Registrant
- WorkUP Inc.
- RIR
- APNIC
Origin network
AS2519
JP
- Name
- ARTERIA Networks Corporation
- Type
- Internet provider
- Registered
- Apr 5, 2002
- Domain
- arteria-net.com
- Website
- www.arteria-net.com/en/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 103.15.184.0/22
103.15.184.0/22
Routing history
- Pattern
- Stable
- First seen
- Nov 2012
- Current origin since
- Nov 2012 · 14 yr
- Origin networks
- 1
IRR
Route objects on 103.15.184.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2519 | RADB | Green Net Co. Ltd. | MAINT-AS2519 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 103.
15. 184. 0/ 22 - Netname
- WORKUP-JP
- Registrant
- WorkUP Inc.
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 28, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Aug 30, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
grnt. ne. jp - Name
- ABUSE WORKUPJP
- Handle
- AW1302-AP