Data as of Nov 5, 2026
203.140.192.0/20
No anonymizer space · no proxy exits in 30 daysSTARNET Co.,Ltd. · space held by Japan Network Information Center
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.140.207.0/24 since Jun 2023 | AS17509 | Internet provider | 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 |
|---|---|---|---|---|---|---|
| 203. | 393,216 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 203.
136. 0. 0 - 203. 141. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS17509
JP
- Name
- STARNET Co.,Ltd.
- Type
- Internet provider
- Registered
- Dec 12, 2000
- Domain
- starnet.ad.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 203.
140. 192. 0/ 20 - Netname
- STAR-Internet-CIDR-BLK-JP
- Registrant
- STARNET Co.,Ltd.
- Registrant country
- JP
- Organization
- STARNET Co.,Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Oct 11, 2011
- RIR
- APNIC
- Country
- JP
- Delegated
- May 21, 1996
- Status
- assigned