$ 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