Data as of Nov 10, 2026
210.153.166.0/23
No anonymizer space · no proxy exits in 30 daysNTT PC Communications, Inc. · space held by 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 |
|---|---|---|---|---|---|---|
| 210.144.0.0/12 | 1,048,576 | JPNIC-NET-JP | Japan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 210.153.128.0/17
- Prefix
- 210.153.128.0/17
- Announced by
- AS2514 NTT PC Communications, Inc.
- Type
- Residential
- Proxy exits
- 371
- Always-on exits
- 13
- RPKI
- RPKI valid
- Netname
- InfoSphere-CIDR-BLK-JP
- Registrant
- NTT PC Communications,Inc.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Japan Network Information Center
- Range
- 210.
144. 0. 0/ 12 - Registration type
- ALLOCATED PORTABLE
Origin network
AS2514
JP
- Name
- NTT PC Communications, Inc.
- Type
- Internet provider
- Registered
- Apr 5, 2002
- Domain
- nttpc.co.jp
- Website
- www.nttpc.co.jp/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 210.153.128.0/17
210.153.128.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 210.153.0.0/16 | AS2514 | /24 | APNIC | RPKI valid |
| 210.153.0.0/16 | AS2514 | /17 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 210.
153. 128. 0/ 17 - Netname
- InfoSphere-CIDR-BLK-JP
- Registrant
- NTT PC Communications,Inc.
- Registrant country
- JP
- Organization
- NTT PC Communications,Inc.
- Org country
- JP
- Created
- Not stated by the registry
- Updated
- Apr 20, 2021
- RIR
- APNIC
- Country
- JP
- Delegated
- Dec 30, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
nttpc. co. jp