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AS21671 · CA · ARIN
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2
Upstream providers
0
Downstream customers
256
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
AS6327
AS6327
 2024-09-01
1y 9mo
 2026-06-04
43 peers
AS209 AS260 AS2914 AS3257 AS3320 AS3549 AS4128 AS5580 AS6461 AS6762 AS6830 AS7018 AS8582 AS12956 AS15562 AS16276 AS151704
v4 v6
MHT-AS
AS26110
 2024-09-01
1y 9mo
 2026-06-04
32 peers
AS3214 AS6453 AS6461 AS16276 AS17660 AS132884 AS199524
v4 v6

Customers (0)

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

Network Size

IPv4 and IPv6 prefixes originated over time

1
v4 prefixes
256
v4 addresses
0
v6 prefixes
0
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-05-30
New Transit
AS21671 AS21671 → added provider AS6327 AS6327
Confidence: 90%
⇄
2026-05-23
Lost Transit
AS21671 AS21671 → lost provider AS6327 AS6327
Confidence: 85% Duration: 628d
⇄
2025-04-06
Lost Transit
AS21671 AS21671 → lost provider MHT-AS AS26110
Confidence: 85% Duration: 216d
⇄
2025-03-06
Lost Transit
AS21671 AS21671 → lost provider MHT-AS AS26110
Confidence: 85% Duration: 185d
⇄
2025-02-21
Lost Transit
AS21671 AS21671 → lost provider MHT-AS AS26110
Confidence: 85% Duration: 172d
⇄
2024-10-31
New Transit
AS21671 AS21671 → added provider MHT-AS AS26110
Confidence: 90%
⇄
2024-10-23
Possible Trial
AS21671 AS21671 → possible trial with MHT-AS AS26110
Confidence: 60% Duration: 12d
⇄
2024-10-17
Lost Transit
AS21671 AS21671 → lost provider MHT-AS AS26110
Confidence: 85% Duration: 45d
⇄
2024-09-02
New Transit
AS21671 AS21671 → added provider MHT-AS AS26110
Confidence: 90%
⇄
2024-09-02
New Transit
AS21671 AS21671 → added provider AS6327 AS6327
Confidence: 90%
⇄

Renewal Calendar

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

This data is available to subscribers.

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