Data as of Nov 8, 2026
203.175.80.0/20
No anonymizer space · no proxy exits in 30 daysOPTAGE Inc.
Network & registry
Origin network
AS17511
JP
- Name
- OPTAGE Inc.
- Type
- Internet provider
- Registered
- Dec 12, 2000
- Domain
- optage.co.jp
- Website
- optage.co.jp/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2006
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.175.80.0/20 | AS17511 | /32 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
175. 80. 0/ 20 - Netname
- K-Opticom-CIDR-BLK-JP
- Registrant
- OPTAGE Inc.
- Registrant country
- JP
- Organization
- OPTAGE Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Sep 19, 2019
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 28, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
optage. co. jp