Data as of Nov 7, 2026
203.178.12.0/24
No anonymizer space · no proxy exits in 30 daysTOKAI Communications Corporation · space held by Japan Network Information Center
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Residential
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 18, 2026
from AS59106 Cyber and Internet Association
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. | 393,216 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | — |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 203.
178. 0. 0 - 203. 183. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS10010
JP
- Name
- TOKAI Communications Corporation
- Type
- Internet provider
- Registered
- Apr 27, 2000
- Domain
- tokai-com.co.jp
- Website
- www.tokai-com.co.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 2
- Also announced by
- 59106
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.178.12.0/24 | AS59106 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 203.
178. 12. 0/ 24 - Netname
- INET6-CIDR-BLK-JP
- Registrant
- Cyber and Internet Association
- Registrant country
- JP
- Organization
- Cyber and Internet Association
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 24, 2026
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 11, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
inet6. jp