Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About DMM.com
DMM.com LLC (合同会社DMM.com) is a Japan-based electronic commerce and Internet company with a diversified group of businesses that includes online shopping, eikaiwa, and video on demand service. The company manages DMM.com, an online entertainment site that allows users to purchase goods and services like e-books, games, mainstream DVD releases, and 3D printing.
Network profile
Source: PeeringDB →Present at 3 internet exchanges: JPNAP Tokyo: Peering, JPIX TOKYO, BBIX Tokyo
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 157.112.80.0/20 | 4.1K |
98.9%
|
DMM.com LLC | JP | — | — |
| 203.209.144.0/20 | 4.1K |
98.2%
|
DMM.com LLC | JP | — | — |
| 223.252.112.0/20 | 4.1K |
0.0%
|
DMM.com LLC | JP | — | — |
| 43.255.40.0/22 | 1.0K |
93.8%
|
DMM.com LLC | JP | — | — |
| 103.254.144.0/22 | 1.0K |
92.5%
|
DMM.com LLC | JP | — | — |
| 202.6.244.0/22 | 1.0K |
95.7%
|
DMM.com LLC | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS23620 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 203.209.144.0/20 | 5,469 | 2026-07-30 14:26:05 |
| 157.112.80.0/20 | 5,429 | 2026-07-30 14:26:05 |
| 223.252.112.0/20 | 5,382 | 2026-07-30 14:26:05 |
| 103.254.144.0/22 | 5,302 | 2026-07-30 14:26:05 |
| 43.255.40.0/22 | 5,287 | 2026-07-30 14:26:05 |
| 202.6.244.0/22 | 5,164 | 2026-07-30 14:26:05 |
| 223.252.123.0/24 | 1,523 | 2026-06-10 05:07:58 |
| 223.252.119.0/24 | 504 | 2026-07-11 15:17:27 |
Frequently Asked Questions
What is AS23620?
AS23620 is an Autonomous System Number assigned to DMM.com LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS23620 announce?
AS23620 announces 15.4K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Japan.
Who operates AS23620?
AS23620 is operated by DMM.com LLC. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS23620 registered in?
AS23620 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
