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AS18540 · US · ARIN
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3
Upstream providers
1
Downstream customers
7.2k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Customers (1)

Addr family: All IPv4 IPv6
No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

8
v4 prefixes
7.2k
v4 addresses
1
v6 prefixes
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
2026-04-02
Lost Transit
UNIV-LOUISVILLE AS1657 → lost provider AS18540 AS18540
Confidence: 85% Duration: 577d
⇄
2026-03-09
Lost Transit
UNIV-LOUISVILLE AS1657 → lost provider AS18540 AS18540
Confidence: 85% Duration: 553d
⇄
2025-10-01
Possible Trial
AS16878 AS16878 → possible trial with AS18540 AS18540
Confidence: 60% Duration: 9d
⇄
2025-09-25
Lost Transit
AS16878 AS16878 → lost provider AS18540 AS18540
Confidence: 85% Duration: 42d
⇄
2025-08-14
New Transit
AS16878 AS16878 → added provider AS18540 AS18540
Confidence: 90%
⇄
2024-10-17
Possible Trial
AS20003 AS20003 → possible trial with AS18540 AS18540
Confidence: 60% Duration: 6d
⇄
2024-10-11
Lost Transit
AS20003 AS20003 → lost provider AS18540 AS18540
Confidence: 85% Duration: 39d
⇄
2024-09-02
New Transit
AS20003 AS20003 → added provider AS18540 AS18540
Confidence: 90%
⇄
2024-09-02
New Transit
AS19043 AS19043 → added provider AS18540 AS18540
Confidence: 90%
⇄
2024-09-02
New Transit
AS18540 AS18540 → added provider AS6461 AS6461
Confidence: 90%
⇄
2024-09-02
New Transit
AS18540 AS18540 → added provider AS3356 AS3356
Confidence: 90%
⇄
2024-09-02
New Transit
AS18540 AS18540 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2024-09-02
New Transit
UNIV-LOUISVILLE AS1657 → added provider AS18540 AS18540
Confidence: 90%
⇄

Renewal Calendar

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

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