Data as of Nov 9, 2026
218.251.51.0/24
3 residential-proxy exits · 30 daysOPTAGE Inc.
Residential-proxy exits
Proxy exits
3
1.2% of its addresses · 30 days
Providers
4
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
28 observations
Proxy providers listing exits
- AnyIP
- FloppyData
- GloryCloud
- KindProxy
Network & registry
Announced by
Covering announcement 218.251.0.0/17
- Prefix
- 218.251.0.0/17
- Announced by
- AS17511 OPTAGE Inc.
- Type
- Residential
- Proxy exits
- 142
- Always-on exits
- 10
- RPKI
- RPKI valid
- Netname
- K-Opticom-CIDR-BLK-JP
- Registrant
- OPTAGE Inc.
- RIR
- APNIC
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 218.251.0.0/17
218.251.0.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.251.0.0/17 | AS17511 | /32 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 218.
251. 0. 0/ 17 - 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
- Oct 2, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
optage. co. jp