Data as of Nov 7, 2026
203.223.60.0/22
No anonymizer space · no proxy exits in 30 daysDensan Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.223.48.0/20 since Sep 2006 | AS17955 | Residential | 2 1 always on | Densan Co., Ltd. |
Network & registry
Origin network
AS17955
JP
- Name
- Densan Co., Ltd.
- Type
- Internet provider
- Registered
- Sep 21, 2001
- Domain
- ndensan.co.jp
- Website
- www.avis.ne.jp/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2009
- Current origin since
- Aug 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.223.48.0/20 | AS17955 | /22 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
223. 48. 0/ 20 - Netname
- AVISNET-CIDR-BLK-JP
- Registrant
- Densan Co., Ltd.
- Registrant country
- JP
- Organization
- Densan Co., Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Apr 28, 2014
- RIR
- APNIC
- Country
- JP
- Delegated
- Jun 6, 2006
- Status
- assigned
Report abuse
Abuse contact
- jpnic@
avis. ad. jp