Data as of Nov 14, 2026
210.141.178.0/24
No anonymizer space · no proxy exits in 30 daysKISTEM Co., Ltd. · space held by Japan Network Information Center
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 |
|---|---|---|---|---|---|---|
| 210.136.0.0/13 | 524,288 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 210.141.176.0/20
- Prefix
- 210.141.176.0/20
- Announced by
- AS18142 KISTEM Co., Ltd.
- Type
- Residential
- RPKI
- No RPKI
- Netname
- BIWALOBE-CIDR-BLK-JP
- Registrant
- KISTEM Co., Ltd.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 210.
136. 0. 0/ 13 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18142
JP
- Name
- KISTEM Co., Ltd.
- Type
- Internet provider
- Registered
- Mar 21, 2002
- Domain
- kistem.co.jp
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 210.141.176.0/20
210.141.176.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on 210.141.176.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS18142 | NTTCOM | BIWANET | MAINT-AS18142 | Aug 26, 2016 |
Whois
Registration for this announcement
- Range
- 210.
141. 176. 0/ 20 - Netname
- BIWALOBE-CIDR-BLK-JP
- Registrant
- KISTEM Co., Ltd.
- Registrant country
- JP
- Organization
- KISTEM Co., Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jun 7, 2016
- RIR
- APNIC
- Country
- JP
- Delegated
- Oct 14, 1996
- Status
- assigned