Data as of Nov 14, 2026
103.23.248.0/22
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 the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 103.23.248.0/22 | 1,024 | WORKUP-JP | WorkUP Inc. (ORG-GNCL1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.23.248.0/24 | 256 | GRNT-V128-7 | GreenNet Co.,Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.23.249.0/24 | 256 | GRNT-V128-8 | GreenNet Co.,Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.23.250.0/24 | 256 | GRNT-V128-9 | GreenNet Co.,Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
| └ 103.23.251.0/24 | 256 | GRNT-V128-10 | GreenNet Co.,Ltd. | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 2
- Last change of origin
- Mar 2012
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 103.23.248.0/24 | AS45436 | NTTCOM | Green Net | MAINT-EQUINIXPAC | Jan 4, 2012 |
| 103.23.249.0/24 | AS45436 | NTTCOM | Green Net | MAINT-EQUINIXPAC | Jan 4, 2012 |
| 103.23.250.0/24 | AS45436 | NTTCOM | Green Net | MAINT-EQUINIXPAC | Jan 4, 2012 |
| 103.23.251.0/24 | AS19551 | RADB | ORIXCOM via EMIX | MAINT-AS8966 | Nov 13, 2023 |
| 103.23.251.0/24 | AS19905 | RADB | SP_GODADDY | MAINT-AS19905 | Nov 13, 2023 |
| 103.23.251.0/24 | AS19551 | NTTCOM | Server Central | MAINT-EQUINIXPAC | Jan 4, 2012 |
| 103.23.251.0/24 | AS45436 | NTTCOM | Green Net | MAINT-EQUINIXPAC | Jan 4, 2012 |
Whois
Registration for this announcement
- Range
- 103.
23. 248. 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
- Dec 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
grnt. ne. jp - Name
- ABUSE WORKUPJP
- Handle
- AW1302-AP