$ query “AS23620” --type=asn → 1 result(s)
AS23620 · DMM
DMM.com LLC
AS23620 is owned by DMM.com LLC and is an enterprise stub network, based in Japan. The system announces a respectable 15 360 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Japan.
Basic Information
- Country
- 🇯🇵 Japan
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- July 12, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 6 / 6
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 15 360
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇯🇵 Japan (26 624 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 5 networks exchanging traffic without transit
- Degree
- 8 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (6 total)
- 157.112.80.0/20 (4 096 addresses (/20 prefix))
- 203.209.144.0/20 (4 096 addresses (/20 prefix))
- 223.252.112.0/20 (4 096 addresses (/20 prefix))
- 43.255.40.0/22 (1 024 addresses (/22 prefix))
- 103.254.144.0/22 (1 024 addresses (/22 prefix))
- 202.6.244.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2001:df0:6800::/48