Data as of Nov 9, 2026
219.105.112.0/20
No anonymizer space · no proxy exits in 30 daysJCOM Co., Ltd. · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 219.105.96.0/19 since May 2005 | AS18136 | Residential | 5 | Japan Network Information Center |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 219.96.0.0/11 | 2,097,152 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 219.
96. 0. 0/ 11 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18136
JP
- Name
- JCOM Co., Ltd.
- Type
- Internet provider
- Registered
- Mar 21, 2002
- 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 |
|---|---|---|---|---|
| 219.105.96.0/19 | AS9824 | /24 | APNIC | Another network |
| 219.105.96.0/19 | AS18136 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 219.105.112.0/21 | AS18136 | RADB | J:COM Adachi | MAINT-AS9824 | Nov 13, 2023 |
| 219.105.120.0/21 | AS18136 | RADB | J:COM Adachi | MAINT-AS9824 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 219.
105. 96. 0/ 19 - 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 28, 2021
- RIR
- APNIC
- Country
- JP
- Delegated
- Mar 7, 2002
- Status
- assigned
Report abuse
Abuse contact
- abuse@
home. ne. jp