Data as of Nov 5, 2026
210.171.96.0/19
No anonymizer space · no proxy exits in 30 daysIDC Frontier Inc. · space held by Japan Network Information Center
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.171.96.0/22 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.101.0/24 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.102.0/23 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.104.0/21 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.112.0/21 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.120.0/23 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.122.0/24 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center | |
| 210.171.123.0/24 since Jul 2013 | AS4725 | Residential | Japan Network Information Center | |
| 210.171.124.0/22 since Jul 2025 | AS4694 | Hosting | Japan Network Information Center |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Hosting | 7,936 | 97% | 9 | |
| Residential | 256 | 3.1% | 1 |
Network & registry
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
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Oct 2005
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 210.171.100.0/24 | AS17676 | RADB | Yahoo BB IDCF CIDR Block | MAINT-AS17676 | Nov 13, 2023 |
| 210.171.100.0/24 | AS17676 | JPIRR | Yahoo BB IDCF CIDR Block | MAINT-AS17676 | Feb 9, 2026 |
Whois
Registration for this announcement
- Range
- 210.
160. 0. 0/ 12 - Netname
- JPNIC-NET-JP
- Registrant
- Japan Network Information Center
- Registrant country
- JP
- Organization
- Japan Network Information Center
- Org country
- JP
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 1, 2015
- Maintainer
- MAINT-JPNIC
- RIR
- APNIC
- Country
- JP
- Delegated
- Aug 4, 1997
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
nic. ad. jp - Name
- IRT-JPNIC-JP
- Handle
- IRT-JPNIC-JP