ACENTEK-MICHIGAN

AS11904 · 5351 North M-37 · US · ARIN

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1

Upstream providers

2

Downstream customers

19k

v4 addresses

<0.1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
AS6939 AS6939	2024-09-01 1y 8mo	2026-05-14	27 peers AS174 AS1299 AS2914 AS3257 AS3549 AS4128 AS5580 AS6082 AS8582 AS15562 AS16276 AS25160 AS52468 AS55720 AS61573 AS136557 AS328840 AS398465		v4 v6

Customers (2)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
AS54119 AS54119	US	2024-09-01 1y 8mo	2026-05-14	256	179 peers AS174 AS1299 AS2914 AS3257 AS3549 AS4128 AS5580 AS6082 AS8582 AS15562 AS16276 AS25160 AS52468 AS55720 AS61573 AS136557 AS328840 AS398465		v4 v6
AS40599 AS40599	US	2025-10-11 7mo	2026-05-14	256	10 peers AS1299 AS3257 AS5580 AS8582 AS25160 AS398465		v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

32

v4 prefixes

19k

v4 addresses

3

v6 prefixes

<0.1

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-03-18

Lost Transit

ACENTEK-MICHIGAN AS11904 → lost provider AS6939 AS6939

Confidence: 85% Duration: 562d

⇄

2026-02-21

Lost Transit

ACENTEK-MICHIGAN AS11904 → lost provider AS6939 AS6939

Confidence: 85% Duration: 537d

⇄

2026-02-14

Lost Transit

ACENTEK-MICHIGAN AS11904 → lost provider AS6939 AS6939

Confidence: 85% Duration: 530d

⇄

2025-12-12

Lost Transit

AS40599 AS40599 → lost provider ACENTEK-MICHIGAN AS11904

Confidence: 85% Duration: 61d

⇄

2025-10-14

Lost Transit

AS40599 AS40599 → lost provider ACENTEK-MICHIGAN AS11904

Confidence: 85% Duration: 2d

⇄

2024-12-17

Lost Transit

ACENTEK-MICHIGAN AS11904 → lost provider AS30517 AS30517

Confidence: 85% Duration: 106d

⇄

2024-09-07

Lost Transit

AS397300 AS397300 → lost provider ACENTEK-MICHIGAN AS11904

Confidence: 85% Duration: 5d

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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