Data as of Nov 3, 2026
203.182.0.0/16
No anonymizer space · no proxy exits in 30 daysNTT Data Corporation · space held by Japan Network Information Center
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.182.17.0/24 since Aug 2012 | AS4673 | Business | Japan Network Information Center | |
| 203.182.224.0/20 since Sep 2012 | AS4673 | Business | Japan Network Information Center | |
| 203.182.234.0/24 since Sep 2022 | AS4673 | Business | Japan Network Information Center | |
| 203.182.247.0/24 since Aug 2012 | AS4673 | Business | 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 |
|---|---|---|---|---|---|---|
| 203.178.0.0 - 203.183.255.255 | 393,216 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | — |
| └ 203.182.14.112/30 | 4 | LUICHUNGYEE | unknown | ASSIGNED NON-PORTABLE | — | [email protected] |
| └ 203.182.55.176/30 | 4 | HKPCORP | HKP Corporation Ltd - Chai WAN IND City (Phase II) | ASSIGNED NON-PORTABLE | — | [email protected] |
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
AS4673
JP
- Name
- NTT Data Corporation
- Type
- Business
- Registered
- Aug 30, 1995
- Domain
- nttdata.com
- Website
- www.nttdata.com/global/en/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.182.10.0/24 | AS4673 | JPIRR | InterVia | MAINT-INTERVIA | Oct 15, 2025 |
| 203.182.216.0/21 | AS4673 | NTTCOM | InterVia | MAINT-INTERVIA | Mar 1, 2013 |
| 203.182.216.0/21 | AS4673 | JPIRR | InterVia | MAINT-INTERVIA | Oct 15, 2025 |
Whois
Registration for this announcement
- Range
- 203.182.0.0/16
- Netname
- InterVia-CIDR-BLK-JP
- Registrant
- NTT Data Corporation
- Registrant country
- JP
- Organization
- NTT Data Corporation
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Mar 26, 2020
- RIR
- APNIC
- Country
- JP
- Delegated
- Apr 11, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]