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Autonomous System

AS25609

Detroit Medical Center

Announced IPs
52,480
CIDR prefixes
31
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
155.139.112.0/23 512
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 Warren
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
155.139.114.0/24 256
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 9,908 2026-09-15 01:39:22
155.139.88.0/22 9,856 2026-09-15 01:39:22
155.139.4.0/24 9,790 2026-09-15 01:39:22
155.139.208.0/20 9,760 2026-09-15 01:39:22
155.139.3.0/24 9,741 2026-09-15 01:39:22
155.139.204.0/24 9,731 2026-09-15 01:39:22
155.139.200.0/22 9,719 2026-09-15 01:39:22
155.139.44.0/23 9,719 2026-09-15 01:39:22
155.139.64.0/20 9,709 2026-09-15 01:39:22
155.139.80.0/21 9,701 2026-09-15 01:39:22
155.139.37.0/24 9,697 2026-09-15 01:39:22
155.139.40.0/24 9,696 2026-09-15 01:39:22
155.139.206.0/24 9,693 2026-09-15 01:39:22
155.139.30.0/24 9,693 2026-09-15 01:39:22
155.139.144.0/20 9,691 2026-09-15 01:39:22
155.139.16.0/21 9,684 2026-09-15 01:39:22
155.139.96.0/21 9,677 2026-09-15 01:39:22
155.139.94.0/23 9,677 2026-09-15 01:39:22
155.139.1.0/24 9,674 2026-09-15 01:39:22
155.139.32.0/22 9,668 2026-09-15 01:39:22
155.139.112.0/21 9,659 2026-09-15 01:39:22
155.139.7.0/24 9,656 2026-09-15 01:39:22
155.139.42.0/23 9,653 2026-09-15 01:39:22
155.139.46.0/23 9,652 2026-09-15 01:39:22
155.139.224.0/19 9,641 2026-09-15 01:39:22
155.139.136.0/21 9,636 2026-09-15 01:39:22
155.139.160.0/19 9,610 2026-09-15 01:39:22
155.139.48.0/20 9,601 2026-09-15 01:39:22
155.139.207.0/24 9,601 2026-09-15 01:39:22
155.139.192.0/21 9,587 2026-09-15 01:39:22

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 31 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: 2026-09-15 01:54:06 UTC
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