Data as of Nov 7, 2026
103.251.73.0/24
No anonymizer space · no proxy exits in 30 daysNTT PC Communications, Inc. · space held by Reading Inc.
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 |
|---|---|---|---|---|---|---|
| 103.251.72.0/22 | 1,024 | READINGINC-JP | Reading Inc. (ORG-RI11-AP) · JP | ALLOCATED PORTABLE | — | companyreading@ |
| └ 103.251.73.0/24 | 256 | READING-B | unknown | ALLOCATED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.0/25 | 128 | READING-B-1 | unknown | ALLOCATED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.0/28 | 16 | READING-B0 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.16/28 | 16 | READING-B16 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.32/28 | 16 | READING-B32 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.48/28 | 16 | READING-B48 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.64/28 | 16 | READING-B64 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.80/28 | 16 | READING-B80 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.96/28 | 16 | READING-B96 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.112/28 | 16 | READING-B112 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.128/25 | 128 | READING-B-2 | unknown | ALLOCATED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.128/28 | 16 | READING-B128 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.144/28 | 16 | READING-B144 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.160/28 | 16 | READING-B160 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.176/28 | 16 | READING-B176 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.192/28 | 16 | READING-B192 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.208/28 | 16 | READING-B208 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.224/28 | 16 | READING-B224 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
| └ 103.251.73.240/28 | 16 | READING-B240 | unknown | ASSIGNED NON-PORTABLE | — | companyreading@ |
Network & registry
Announced by
Covering announcement 103.251.72.0/22
- Prefix
- 103.251.72.0/22
- Announced by
- AS2514 NTT PC Communications, Inc.
- Type
- Residential
- RPKI
- No RPKI
- Netname
- READINGINC-JP
- Registrant
- Reading Inc.
- 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 103.251.72.0/22
103.251.72.0/22
Routing history
- Pattern
- Stable
- First seen
- Nov 2014
- Current origin since
- Nov 2014 · 12 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 103.
251. 72. 0/ 22 - Netname
- READINGINC-JP
- Registrant
- Reading Inc.
- Registrant country
- JP
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 29, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- JP
- Delegated
- Jul 29, 2013
- Status
- assigned
Report abuse
Abuse contact
- companyreading@
gmail. com - Name
- ABUSE READINGINCJP
- Handle
- AR995-AP