AS38258 — SONY-APAC-AP Sony - ASN for Asia Pacific

AS38258 announces 3 IPv4 prefixes covering 6,144 addresses and 1 IPv6 prefixes.

About this network

The AS handle SONY-APAC-AP is held by Sony.

What it's used for

• The address space carries corporate infrastructure, evidenced by netnames GISSSES, GISSSES-AS-AP, and NETBLK-SONY-US and a reverse DNS entry for sony.co.jp.
• The AS announces 6144 IPv4 addresses across 3 prefixes and 16 IPv6 prefixes, with only 2 observed neighbours, indicating a small, self-contained corporate estate rather than a transit or access network.
• Traffic from this AS consists of internal corporate endpoints and services for Sony's Asia-Pacific operations, including office workers and internal web/API services.

Notable

• Registrants align with the announcer, listing Sony Electronics (S) Pte. Ltd for the Singapore-based blocks and Sony Electronics Inc. for the US-based block.
• The inventory is finely subdivided into three distinct IPv4 blocks and ten IPv6 prefixes, reflecting site-by-site segmentation typical of a large multinational corporation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.240.128.0/22
• 121.100.32.0/20
• 146.215.8.0/22
• 2400:3c00::/32

Upstream networks

• AS3491 PCCW Global (HK) Ltd.
• AS8220 COLT Technology Services Group Limited

Adjacent networks

• AS3491 PCCW Global (HK) Ltd.
• AS8220 COLT Technology Services Group Limited

Routing security

• RPKI: 0 valid, 0 invalid and 8 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 17 route objects.
• Listed in as-sets: AS-4628, AS-ANC-CUSTOMER-PROXY-REGISTER, AS-IIJ, AS-IIJ6, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-SINGNET, AS-XO-B, AS17645:AS-CUST-SG, AS17645:AS-GLOBAL, AS17645:AS-NTTS-CUST, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS2914:AS-64607-V6, AS3491:AS-CUSTOMERS-AP, AS7473:AS-CUSTOMERS:AS23956, AS7473:AS-CUSTOMERS:AS3758, AS8220:AS-COLTSG.