Data as of Nov 10, 2026
115.187.78.0/24
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 |
|---|---|---|---|---|---|---|
| 115.187.64.0/20 | 4,096 | WORKUP-JP | WorkUP Inc. (ORG-GNCL1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 115.187.78.0/24 | 256 | GRNT-V8-1 | GreenNet Co.,Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 115.187.78.80/29 | 8 | YYC | individual | ASSIGNED NON-PORTABLE | — | abuse@ |
| └ 115.187.78.112/29 | 8 | PIC | Pacific Island Company | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 115.187.78.184/29 | 8 | THIRDPARTY | third party INC | ASSIGNED NON-PORTABLE | — | apnic@ |
| └ 115.187.78.240/29 | 8 | SHIGANET | shiganet co.,ltd. | 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 | |
|---|---|---|---|---|
| Residential | 224 | 88% | 5 | |
| Business | 32 | 13% | 4 |
Network & registry
Announced by
Covering announcement 115.187.72.0/21
- Prefix
- 115.187.72.0/21
- 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 115.187.72.0/21
115.187.72.0/21
Routing history
- Pattern
- Stable
- First seen
- Feb 2009
- Current origin since
- Feb 2011 · 16 yr
- Origin networks
- 2
- Last change of origin
- Feb 2011
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 115.187.72.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2519 | RADB | Green Net Co. Ltd. | MAINT-AS2519 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 115.
187. 64. 0/ 20 - 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
- Sep 16, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
grnt. ne. jp - Name
- ABUSE WORKUPJP
- Handle
- AW1302-AP