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AS3851 · US · ARIN
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3
Upstream providers
1
Downstream customers
164k
v4 addresses
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
AS6461
AS6461
 2024-09-01
1y 8mo
 2026-05-14
181 peers
AS2914 AS15562
v4 v6
AS174
AS174
 2025-03-06
1y 2mo
 2026-05-14
120 peers
AS209 AS1299 AS3257 AS3491 AS5580 AS6453 AS7768 AS8582 AS13781 AS17350 AS31554 AS47147 AS49028 AS199524 AS271253 AS328840 AS398465
v4 v6
AS6939
AS6939
 2024-09-01
1y 8mo
 2026-05-14
25 peers
AS1299 AS398465
v4 v6

Customers (1)

Addr family: All IPv4 IPv6
Customer Country First Seen Last Seen IPs Peers Confidence AF
AS395468
AS395468
 US 2024-09-01
1y 8mo
 2026-05-14 —
111 peers
AS209 AS1299 AS3257 AS3491 AS5580 AS6453 AS7768 AS8582 AS13781 AS17350 AS31554 AS47147 AS49028 AS199524 AS271253 AS328840 AS398465
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

5
v4 prefixes
164k
v4 addresses
2
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
2026-04-25
Lost Transit
AS3851 AS3851 → lost provider AS6939 AS6939
Confidence: 85% Duration: 600d
⇄
2026-03-15
New Transit
AS3851 AS3851 → added provider AS6939 AS6939
Confidence: 90%
⇄
2026-03-07
Lost Transit
AS3851 AS3851 → lost provider AS6939 AS6939
Confidence: 85% Duration: 551d
⇄
2025-08-20
New Transit
AS3851 AS3851 → added provider AS6939 AS6939
Confidence: 90%
⇄
2025-08-08
Lost Transit
AS3851 AS3851 → lost provider AS6939 AS6939
Confidence: 85% Duration: 340d
⇄
2025-03-07
New Transit
AS3851 AS3851 → added provider AS174 AS174
Confidence: 90%
⇄
2024-10-29
Possible Trial
AS3851 AS3851 → possible trial with AS3356 AS3356
Confidence: 60% Duration: 18d
⇄
2024-10-23
Lost Transit
AS3851 AS3851 → lost provider AS3356 AS3356
Confidence: 85% Duration: 51d
⇄
2024-09-02
New Transit
AS395468 AS395468 → added provider AS3851 AS3851
Confidence: 90%
⇄
2024-09-02
New Transit
AS3851 AS3851 → added provider AS6939 AS6939
Confidence: 90%
⇄
2024-09-02
New Transit
AS3851 AS3851 → added provider AS6461 AS6461
Confidence: 90%
⇄
2024-09-02
New Transit
AS3851 AS3851 → added provider AS3356 AS3356
Confidence: 90%
⇄

Renewal Calendar

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

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