Data as of Nov 7, 2026
138.248.64.0/22
No anonymizer space · no proxy exits in 30 daysOPTAGE Inc. · space held by K&K Corporation Ltd.
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 |
|---|---|---|---|---|---|---|
| 138.248.64.0/18 | 16,384 | KK-NET | K&K Corporation Ltd. | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Registry
Holder
- Organization
- K&K Corporation Ltd.
- Range
- 138.
248. 64. 0/ 18 - Registration type
- ALLOCATED PORTABLE
Origin network
AS17511
JP
- Name
- OPTAGE Inc.
- Type
- Internet provider
- Registered
- Dec 12, 2000
- Domain
- optage.co.jp
- Website
- optage.co.jp/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2020
- Current origin since
- Jul 2020 · 6.4 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17511 | RADB | K&K Corporation Limited | MAINT-AS17511 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 138.
248. 64. 0/ 22 - Netname
- KK-NET
- Registrant
- K&K Corporation Ltd.
- Registrant country
- JP
- Organization
- K&K Corporation Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Oct 9, 2019
- RIR
- APNIC
- Country
- JP
- Delegated
- Sep 1, 1993
- Status
- assigned