Data as of Nov 8, 2026
103.180.128.0/23
No anonymizer space · no proxy exits in 30 daysResearch Organization of Information and Systems, National Institute of Informatics · space held by Chiba prefecture
Residential-proxy exits
Proxy exits
1
0.20% of its addresses · listed by providers
Spread
1 of 2
/24s with at least one exit
Providers
1
selling exits here
Proxy providers listing exits
- ThunderProxy
Network & registry
Origin network
AS2907
JP
- Name
- Research Organization of Information and Systems, National Institute of Informatics
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- sinet.ad.jp
- Website
- www.sinet.ad.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
- Feb 2022
- Current origin since
- Feb 2022 · 4.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2907 | JPIRR | Chiba Prefecture Board of Education | MAINT-AS2907 | Feb 2, 2026 |
Whois
Registration for this announcement
- Range
- 103.
180. 128. 0/ 23 - Netname
- EPD-CIDR-BLK-JP
- Registrant
- Chiba prefecture
- Registrant country
- JP
- Organization
- Chiba prefecture
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Feb 2, 2022
- RIR
- APNIC
- Country
- JP
- Delegated
- Jan 25, 2022
- Status
- assigned
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