Data as of Nov 3, 2026
210.144.0.0/16
No anonymizer space · no proxy exits in 30 daysNTT Data Corporation · 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 |
|---|---|---|---|---|
| 210.144.11.0/24 since Oct 2017 | AS4673 | Business | Japan Network Information Center | |
| 210.144.21.0/24 since Oct 2017 | AS4673 | Business | Japan Network Information Center | |
| 210.144.64.0/24 since Jan 2025 | AS4673 | Business | Japan Network Information Center | |
| 210.144.73.0/24 since Oct 2017 | AS4673 | Business | Japan Network Information Center | |
| 210.144.84.0/24 since Oct 2017 | AS4673 | Business | Japan Network Information Center | |
| 210.144.86.0/24 since Feb 2023 | AS4673 | Business | Japan Network Information Center | |
| 210.144.87.0/24 since Feb 2023 | AS4673 | Business | Japan Network Information Center | |
| 210.144.93.0/24 since Jun 2024 | AS4673 | Business | Japan Network Information Center | |
| 210.144.95.0/24 since May 2024 | AS4673 | Business | Japan Network Information Center | |
| 210.144.109.0/24 since Feb 2023 | 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 |
|---|---|---|---|---|---|---|
| 210.144.0.0/12 | 1,048,576 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 210.144.0.0/12
- 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
Whois
Registration for this announcement
- Range
- 210.144.0.0/16
- 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
- Dec 30, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]