Data as of Nov 5, 2026
203.96.239.0/24
No anonymizer space · no proxy exits in 30 daysxTom · space held by Cat Networks K.K.
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 |
|---|---|---|---|---|---|---|
| 203.96.236.0/22 | 1,024 | CAT-JP | Cat Networks K.K. (ORG-CNK1-AP) · JP | ALLOCATED PORTABLE | — | abuse@ |
| └ 203.96.239.0/24 | 256 | OWL-JP | Owl Limited | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- Cat Networks K.K.
- Handle
- ORG-CNK1-AP
- Range
- 203.
96. 236. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Owl Limited
- Reallocated range
- 203.
96. 239. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2020
- Current origin since
- Feb 2020 · 6.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.96.236.0/22 | AS3258 | /24 | APNIC | Another network |
| 203.96.236.0/22 | AS4785 | /24 | APNIC | RPKI valid |
| 203.96.236.0/22 | AS8888 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 203.
96. 239. 0/ 24 - Netname
- OWL-JP
- Registrant
- Owl Limited
- Registrant country
- JP
- Organization
- Owl Limited
- Org country
- JP
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 7, 2021
- Maintainer
- MAINT-OWL-VU
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 19, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
owl. net - Name
- ABUSE OWL1VU
- Handle
- AO228-AP