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Data as of Nov 7, 2026

103.251.72.0/22

No anonymizer space · no proxy exits in 30 days

NTT PC Communications, Inc. · space held by Reading Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS2514
Type
Business

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
103.251.72.0/221,024READINGINC-JPReading Inc. (ORG-RI11-AP) · JPALLOCATED PORTABLE—companyreading@gmail.com
└ 103.251.72.0/24256READING-AunknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.0/25128READING-A-1unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.0/2816READING-A0unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.16/2816READING-A16unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.32/2816READING-A32unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.48/2816READING-A48unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.64/2816READING-A64unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.80/2816READING-A80unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.96/2816READING-A96unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.112/2816READING-A112unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.128/25128READING-A-2unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.128/2816READING-A128unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.144/2816READING-A144unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.160/2816READING-A160unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.176/2816READING-A176unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.192/2816READING-A192unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.208/2816READING-A208unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.224/2816READING-A224unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.72.240/2816READING-A240unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.0/24256READING-BunknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.0/25128READING-B-1unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.0/2816READING-B0unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.16/2816READING-B16unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.32/2816READING-B32unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.48/2816READING-B48unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.64/2816READING-B64unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.80/2816READING-B80unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.96/2816READING-B96unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.112/2816READING-B112unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.128/25128READING-B-2unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.128/2816READING-B128unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.144/2816READING-B144unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.160/2816READING-B160unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.176/2816READING-B176unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.192/2816READING-B192unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.208/2816READING-B208unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.224/2816READING-B224unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.73.240/2816READING-B240unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.0/24256READING-CunknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.0/25128READING-C-1unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.0/2816READING-C0unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.16/2816READING-C16unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.32/2816SYSTEMSUPPORT529 3-12 Yotuya Shinjuku-ku, TokyoASSIGNED NON-PORTABLE—asahitradingjp@gmail.com
└ 103.251.74.48/2816SYSTEMSUPPORT529 3-12 Yotuya Shinjuku-ku, TokyoASSIGNED NON-PORTABLE—asahitradingjp@gmail.com
└ 103.251.74.64/2816READING-C64unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.80/2816READING-C80unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.96/2816READING-C96unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.112/2816READING-C112unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.128/25128READING-C-2unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.128/2816READING-C128unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.144/2816READING-C144unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.160/2816READING-C160unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.176/2816READING-C176unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.192/2816READING-C192unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.208/2816READING-C208unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.224/2816READING-C224unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.74.240/2816READING-C240unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.0/24256READING-DunknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.0/25128READING-D-1unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.1/321SYSTEMSUPPORT529 3-12 Yotuya Shinjuku-ku, TokyoASSIGNED NON-PORTABLE—asahitradingjp@gmail.com
└ 103.251.75.16/2816READING-D16unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.32/2816READING-D32unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.48/2816READING-D48unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.64/2816READING-D64unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.80/2816SYSTEMSUPPORT529 3-12 Yotuya Shinjuku-ku, TokyoASSIGNED NON-PORTABLE—asahitradingjp@gmail.com
└ 103.251.75.96/2816READING-D96unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.112/2816SYSTEMSUPPORT529 3-12 Yotuya Shinjuku-ku, TokyoASSIGNED NON-PORTABLE—asahitradingjp@gmail.com
└ 103.251.75.128/25128READING-D-2unknownALLOCATED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.128/2816READING-D128unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.144/2816READING-D144unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.160/2816READING-D160unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.176/2816READING-D176unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.192/2816READING-D192unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.208/2816READING-D208unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.224/2816READING-D224unknownASSIGNED NON-PORTABLE—companyreading@gmail.com
└ 103.251.75.240/2816READING-D240unknownASSIGNED NON-PORTABLE—companyreading@gmail.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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