Data as of Nov 10, 2026
103.3.4.0/23
No anonymizer space · no proxy exits in 30 daysJCOM Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 103.3.4.0/22 since May 2011 | AS9378 | Residential | 2 1 always on | JCOM Co., Ltd. |
Network & registry
Origin network
AS9378
JP
- Name
- JCOM Co., Ltd.
- Type
- Internet provider
- Registered
- Aug 17, 1998
- Domain
- jcom.co.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.3.4.0/22 | AS9378 | /24 | APNIC | RPKI valid |
| 103.3.4.0/22 | AS9824 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 103.
3. 4. 0/ 22 - Netname
- JCN-CIDR-BLK-JP
- Registrant
- JCOM Co., Ltd.
- Registrant country
- JP
- Organization
- JCOM Co., Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Sep 27, 2021
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 27, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
home. ne. jp