Data as of Nov 4, 2026
192.31.203.0/24
No anonymizer space · no proxy exits in 30 daysNational Institute of Advanced Industrial Science and Technology · space held by imported inetnum object for ELECTR-3
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 |
|---|---|---|---|---|---|---|
| 192.31.198.0 - 192.31.206.255 | 2,304 | ETL-JP | imported inetnum object for ELECTR-3 | ASSIGNED PORTABLE | — | [email protected] |
| └ 192.31.203.0/24 | 256 | AIST-LAN-6 | National Institute of Advanced Industrial Science and Technology | ASSIGNED PORTABLE | — | [email protected] |
Network & registry
Registry
Holder
- Organization
- imported inetnum object for ELECTR-3
- Range
- 192.31.198.0 - 192.31.206.255
- Registration type
- ASSIGNED PORTABLE
Origin network
AS23793
JP
- Name
- National Institute of Advanced Industrial Science and Technology
- Type
- Education
- Registered
- Jun 16, 2003
- Domain
- aist.go.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2007
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23793 | JPIRR | National Institute of Advanced Industrial Science and Technology | MAINT-AS23793 | Sep 1, 2026 |
Whois
Registration for this announcement
- Range
- 192.31.203.0/24
- Netname
- ONRINET-CIDR-BLK-JP
- Registrant
- National Institute of Advanced Industrial Science and Technology
- Registrant country
- JP
- Organization
- National Institute of Advanced Industrial Science and Technology
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 23, 2026
- RIR
- APNIC
- Country
- JP
- Delegated
- Aug 28, 1987
- Status
- assigned