Data as of Nov 4, 2026
203.147.112.0/20
No anonymizer space · no proxy exits in 30 daysSYNAPSE Co.,Ltd.
Network & registry
Origin network
AS7511
JP
- Name
- SYNAPSE Co.,Ltd.
- Type
- Internet provider
- Registered
- Mar 3, 1997
- Domain
- synapse.jp
- Website
- www.synapse.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 203.147.112.0/20
- Netname
- SYNAPSE-CIDR-BLK-JP
- Registrant
- SYNAPSE Co.,Ltd.
- Registrant country
- JP
- Organization
- SYNAPSE Co.,Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- May 19, 2017
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 11, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]