Data as of Nov 13, 2026
110.173.243.0/24
No anonymizer space · no proxy exits in 30 daysJCOM Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 110.173.240.0/20 since Aug 2016 | AS4721 | Residential | 19 3 always on | JCOM Co., Ltd. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 110.173.240.0/20 | 4,096 | JCN | JCOM Co., Ltd. | ALLOCATED PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 110.173.240.0/21
- Prefix
- 110.173.240.0/21
- Announced by
- AS4721 JCOM Co., Ltd.
- Type
- Residential
- Proxy exits
- 10
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- JCOM-NET
- Registrant
- JCOM Co., Ltd.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- JCOM Co., Ltd.
- Range
- 110.
173. 240. 0/ 20 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4721
JP
- Name
- JCOM Co., Ltd.
- Type
- Internet provider
- Registered
- Aug 30, 1995
- Domain
- jcom.co.jp
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
110.173.240.0/21
Routing history
- Pattern
- Stable
- First seen
- Sep 2015
- Current origin since
- Sep 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 110.173.240.0/20 | AS4721 | /24 | APNIC | RPKI valid |
| 110.173.240.0/20 | AS9824 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 110.
173. 240. 0/ 21 - Netname
- JCOM-NET
- Registrant
- JCOM Co., Ltd.
- Registrant country
- JP
- Organization
- JCOM Co., Ltd.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Dec 26, 2015
- RIR
- APNIC
- Country
- JP
- Delegated
- May 12, 2009
- Status
- assigned