$ query “AS25609” --type=asn → 1 result(s)

AS25609 · DMC

Detroit Medical Center

AS25609 is run by Detroit Medical Center and is an enterprise stub network, established in the United States in 2002. The system announces a respectable 52 992 IPv4 addresses. Its primary geographic footprint is in the United States. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇺🇸 United States
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
April 08, 2002
Last Changed
March 04, 2026
Last Seen
July 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
30 / 28
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
52 992
Largest IPv4 Prefix
/19 (8 192 addresses)
Geolocated Countries
🇺🇸 United States (52 992 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Degree
2 unique BGP neighbors
Reach
0 networks in customer cone

Upstream Providers (2)

  • AS7018 — ATT-INTERNET4 (Tier-1 transit)
  • AS237 — MERIT-AS-14

Prefix Lists

IPv4 Prefixes (30 total)

  • 155.139.224.0/19 (8 192 addresses (/19 prefix))
  • 155.139.160.0/19 (8 192 addresses (/19 prefix))
  • 155.139.48.0/20 (4 096 addresses (/20 prefix))
  • 155.139.208.0/20 (4 096 addresses (/20 prefix))
  • 155.139.144.0/20 (4 096 addresses (/20 prefix))
  • 155.139.64.0/20 (4 096 addresses (/20 prefix))
  • 155.139.80.0/21 (2 048 addresses (/21 prefix))
  • 155.139.192.0/21 (2 048 addresses (/21 prefix))
  • 155.139.136.0/21 (2 048 addresses (/21 prefix))
  • 155.139.112.0/21 (2 048 addresses (/21 prefix))
  • 155.139.96.0/21 (2 048 addresses (/21 prefix))
  • 155.139.16.0/21 (2 048 addresses (/21 prefix))
  • 155.139.32.0/22 (1 024 addresses (/22 prefix))
  • 155.139.44.0/22 (1 024 addresses (/22 prefix))
  • 155.139.88.0/22 (1 024 addresses (/22 prefix))
  • 155.139.200.0/22 (1 024 addresses (/22 prefix))
  • 155.139.206.0/23 (512 addresses (/23 prefix))
  • 155.139.94.0/23 (512 addresses (/23 prefix))
  • 155.139.42.0/23 (512 addresses (/23 prefix))
  • 155.139.8.0/24 (256 addresses (/24 prefix))
  • 155.139.30.0/24 (256 addresses (/24 prefix))
  • 155.139.7.0/24 (256 addresses (/24 prefix))
  • 155.139.37.0/24 (256 addresses (/24 prefix))
  • 155.139.40.0/24 (256 addresses (/24 prefix))
  • 155.139.204.0/24 (256 addresses (/24 prefix))
  • 155.139.1.0/24 (256 addresses (/24 prefix))
  • 155.139.4.0/24 (256 addresses (/24 prefix))
  • 155.139.3.0/24 (256 addresses (/24 prefix))