Data as of Nov 15, 2026
210.129.48.0/21
No anonymizer space · no proxy exits in 30 daysIDC Frontier Inc. · space held by Japan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.129.0.0/18 since Oct 2017 | AS4694 | Hosting | 3 | Japan Network Information Center | |
| 210.129.0.0/17 since Jul 2025 | AS4694 | Hosting | 3 | Japan Network Information Center | |
| 210.129.0.0/16 since Oct 2005 | AS4694 | Hosting | 3 | Japan Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 210.128.0.0/13 | 524,288 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 210.129.48.0/20
- Prefix
- 210.129.48.0/20
- Announced by
- AS4694 IDC Frontier Inc.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- IDCFNet-CIDR-BLK-JP
- Registrant
- IDC Frontier Inc.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 210.
128. 0. 0/ 13 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4694
JP
- Name
- IDC Frontier Inc.
- Type
- Hosting
- Registered
- Aug 30, 1995
- Domain
- idcf.jp
- Website
- www.idcf.jp/english/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
210.129.48.0/20
Routing history
- Pattern
- Stable
- First seen
- Feb 2016
- Current origin since
- Feb 2016 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.129.0.0/17 | AS4694 | /32 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 210.
129. 39. 0 - 210. 129. 184. 255 - Netname
- IDCFNet-CIDR-BLK-JP
- Registrant
- IDC Frontier Inc.
- Registrant country
- JP
- Organization
- IDC Frontier Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Jun 13, 2020
- RIR
- APNIC
- Country
- JP
- Delegated
- Aug 16, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
idc. jp