AS23620 — DMM DMM.com LLC

Network type: hosting

AS23620 announces 6 IPv4 prefixes covering 15,360 addresses and 1 IPv6 prefixes.

About this network

DMM is the autonomous system for DMM.com LLC, a major Japanese e-commerce and internet services provider.

What it's used for

• The address space carries corporate infrastructure for DMM's digital services, evidenced by reverse DNS entries pointing to dmm.jp and netnames registered as DMM-JP.
• The AS announces 15,360 IPv4 addresses across 6 prefixes and 1 IPv6 prefix, while maintaining 8 observed routing neighbours; this ratio of moderate address inventory to a small peer set indicates a business network focused on serving its own services rather than providing transit.

Notable

• All registrants for the announced prefixes are consistent with the announcer, listing DMM.com LLC and the IRT IRT-DMM-JP.
• The address inventory consists of a mix of /20 and /22 blocks, including space in the 157.112.0.0/16, 203.209.0.0/16, and 223.252.0.0/16 ranges, reflecting a diversified allocation strategy for its various service lines.

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

Announced prefixes

• 43.255.40.0/22
• 103.254.144.0/22
• 157.112.80.0/20
• 202.6.244.0/22
• 203.209.144.0/20
• 223.252.112.0/20
• 2001:df0:6800::/48

Upstream networks

• AS2497 Internet Initiative Japan Inc.
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS9304 HGC Global Communications Limited

Adjacent networks

• AS2497 Internet Initiative Japan Inc.
• AS2914 NTT America, Inc.
• AS6939 Hurricane Electric LLC
• AS9304 HGC Global Communications Limited

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• JPIX Tokyo — Tokyo, Japan