Data as of Nov 4, 2026
203.183.0.0/17
2 residential-proxy exits · 30 daysIDC Frontier Inc. · space held by Japan Network Information Center
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 128
/24s with at least one exit
Providers
9
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
19 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 203.183.10.0/24 | 0 | 1 | |
| 203.183.66.0/24 | 0 | 1 |
Proxy providers listing exits
- Datarama
- Evomi
- GSocks
- Infatica
- InfiniteProxies
- NodeProxy
- NovaProxy
- RainProxy
- Shifter
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.183.0.0/16 since Oct 2005 | AS4694 | Hosting | 2 | Japan Network Information Center |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.183.30.0/23 since Oct 2023 | AS4694 | Hosting | Japan Network Information Center | ||
| 203.183.32.0/20 since Oct 2023 | AS4694 | Hosting | Japan Network Information Center | ||
| 203.183.64.0/19 since Oct 2023 | AS4694 | Hosting | 1 | 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 |
|---|---|---|---|---|---|---|
| 203. | 393,216 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | — |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 203.
178. 0. 0 - 203. 183. 255. 255 - 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
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2025
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.183.0.0/17 | AS4694 | /32 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.183.52.0/22 | AS4694 | RADB | IDC | Aug 22, 2025 | |
| 203.183.52.0/22 | AS4694 | JPIRR | IDC Frontier Inc. | IDC | Aug 27, 2026 |
| 203.183.56.0/21 | AS4694 | RADB | IDC Frontier Inc. | IDC | Sep 27, 2024 |
| 203.183.56.0/21 | AS2554 | JPIRR | IDC Frontier Inc. | IDC | Aug 27, 2026 |
| 203.183.56.0/22 | AS4694 | RADB | IDC | Aug 22, 2025 | |
| 203.183.56.0/22 | AS4694 | JPIRR | IDC Frontier Inc. | IDC | Aug 27, 2026 |
Whois
Registration for this announcement
- Range
- 203.
183. 0. 0 - 203. 183. 152. 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
- Apr 11, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
idc. jp