Data as of Nov 6, 2026
103.255.21.0/28
No anonymizer space · no proxy exits in 30 daysNTT PC Communications, Inc. · space held by Intel Kokubu
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 |
|---|---|---|---|---|---|---|
| 103.255.20.0/22 | 1,024 | INTEL-KOKUBU-JP | Intel Kokubu (ORG-IK3-AP) · JP | ALLOCATED PORTABLE | — | intelkokubu@ |
| └ 103.255.21.0/24 | 256 | INTEL-KOKUBU-B | unknown | ALLOCATED NON-PORTABLE | — | intelkokubu@ |
| └ 103.255.21.0/28 | 16 | SYSTEMSUPPORT | 529 3-12 Yotuya Shinjuku-ku, Tokyo | ASSIGNED NON-PORTABLE | — | asahitradingjp@ |
Network & registry
Announced by
Covering announcement 103.255.20.0/22
- Prefix
- 103.255.20.0/22
- Announced by
- AS2514 NTT PC Communications, Inc.
- Type
- Residential
- RPKI
- No RPKI
- Netname
- INTEL-KOKUBU-JP
- Registrant
- Intel Kokubu
- RIR
- APNIC
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 103.255.20.0/22
103.255.20.0/22
Routing history
- Pattern
- Stable
- First seen
- Aug 2018
- Current origin since
- Aug 2018 · 8.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 103.
255. 20. 0/ 22 - Netname
- INTEL-KOKUBU-JP
- Registrant
- Intel Kokubu
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 17, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Dec 18, 2013
- Status
- assigned
Report abuse
Abuse contact
- intelkokubu@
gmail. com - Name
- ABUSE INTELKOKUBUJP
- Handle
- AI402-AP