Data as of Nov 8, 2026
163.131.108.0/22
No anonymizer space · no proxy exits in 30 daysBTV CO.,LTD. · space held by Japan Network Information Center
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 |
|---|---|---|---|---|---|---|
| 163. | 524,288 | JAPAN163 | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 163.
130. 0. 0 - 163. 137. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18135
JP
- Name
- BTV CO.,LTD.
- Type
- Internet provider
- Registered
- Mar 21, 2002
- Domain
- btvm.ne.jp
- Website
- portal.btvm.ne.jp/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2017
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 163.
131. 108. 0/ 22 - Netname
- BTV-NET
- Registrant
- BTV Co., Ltd.
- Registrant country
- JP
- Organization
- BTV Co., Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Dec 5, 2017
- RIR
- APNIC
- Country
- JP
- Delegated
- Nov 30, 1992
- Status
- assigned