Skip to main content
Autonomous System

AS25609

Detroit Medical Center

Announced IPs
52,480
CIDR prefixes
29
ASN
AS25609

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
155.139.160.0/19 8.2K
0.0%
Detroit Medical Center US
155.139.224.0/19 8.2K
0.1%
Detroit Medical Center US
155.139.48.0/20 4.1K
0.3%
Detroit Medical Center US
155.139.64.0/20 4.1K
0.4%
Detroit Medical Center US
155.139.144.0/20 4.1K
0.0%
Detroit Medical Center US
155.139.208.0/20 4.1K
0.0%
Detroit Medical Center US
155.139.16.0/21 2.0K
0.0%
Detroit Medical Center US
155.139.80.0/21 2.0K
0.0%
Detroit Medical Center US
155.139.96.0/21 2.0K
0.0%
Detroit Medical Center US
155.139.136.0/21 2.0K
0.0%
Detroit Medical Center US
155.139.192.0/21 2.0K
0.3%
Detroit Medical Center US
155.139.32.0/22 1.0K
0.0%
Detroit Medical Center US
155.139.44.0/22 1.0K
0.0%
Detroit Medical Center US
155.139.88.0/22 1.0K
0.0%
Detroit Medical Center US
155.139.112.0/22 1.0K
0.0%
Detroit Medical Center US
155.139.200.0/22 1.0K
0.0%
Detroit Medical Center US
155.139.42.0/23 512
0.0%
Detroit Medical Center US
155.139.94.0/23 512
0.0%
Detroit Medical Center US
155.139.118.0/23 512
0.0%
Detroit Medical Center US
155.139.206.0/23 512
0.0%
Detroit Medical Center US
155.139.1.0/24 256
0.4%
Detroit Medical Center US
155.139.3.0/24 256
2.3%
Detroit Medical Center US Michigan Royal Oak
155.139.4.0/24 256
0.0%
Detroit Medical Center US
155.139.7.0/24 256
0.0%
Detroit Medical Center US
155.139.8.0/24 256
0.0%
Detroit Medical Center US
155.139.30.0/24 256
0.0%
Detroit Medical Center US
155.139.37.0/24 256
0.0%
Detroit Medical Center US
155.139.40.0/24 256
0.0%
Detroit Medical Center US
155.139.204.0/24 256
0.0%
Detroit Medical Center US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS25609 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
155.139.8.0/24 4,815 2026-07-26 21:44:39
155.139.200.0/22 4,803 2026-07-26 21:45:11
155.139.40.0/24 4,800 2026-07-26 21:45:08
155.139.144.0/20 4,796 2026-07-26 21:45:00
155.139.206.0/24 4,796 2026-07-26 21:45:04
155.139.4.0/24 4,796 2026-07-26 21:45:02
155.139.3.0/24 4,795 2026-07-26 21:44:58
155.139.64.0/20 4,794 2026-07-26 21:45:11
155.139.88.0/22 4,794 2026-07-26 21:45:20
155.139.208.0/20 4,792 2026-07-26 21:44:43
155.139.204.0/24 4,791 2026-07-26 21:45:11
155.139.7.0/24 4,790 2026-07-26 21:45:10
155.139.48.0/20 4,790 2026-07-26 21:45:20
155.139.32.0/22 4,789 2026-07-26 21:45:11
155.139.30.0/24 4,785 2026-07-26 21:45:11
155.139.44.0/23 4,781 2026-07-26 21:45:01
155.139.42.0/23 4,778 2026-07-26 21:45:07
155.139.80.0/21 4,775 2026-07-26 21:45:20
155.139.207.0/24 4,773 2026-07-26 21:45:06
155.139.160.0/19 4,773 2026-07-26 21:45:20
155.139.94.0/23 4,763 2026-07-26 21:45:20
155.139.224.0/19 4,763 2026-07-26 21:45:20
155.139.1.0/24 4,762 2026-07-26 21:45:11
155.139.37.0/24 4,762 2026-07-26 21:45:00
155.139.136.0/21 4,761 2026-07-26 21:45:11
155.139.16.0/21 4,756 2026-07-26 21:45:27
155.139.96.0/21 4,756 2026-07-26 21:45:11
155.139.46.0/23 4,751 2026-07-26 21:45:20
155.139.112.0/21 4,747 2026-07-26 21:45:20
155.139.192.0/21 4,736 2026-07-26 21:45:20

Frequently Asked Questions

What is AS25609?

AS25609 is an Autonomous System Number assigned to Detroit Medical Center. 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 AS25609 announce?

AS25609 announces 52.5K IPv4 addresses distributed across 29 routed CIDR prefixes. The network is registered in United States.

Who operates AS25609?

AS25609 is operated by Detroit Medical Center. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS25609 registered in?

AS25609 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-27 00:10:32 UTC
Share