AS21924 · US · ARIN
2
Upstream providers
0
Downstream customers
256
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS5783
AS5783
2025-03-26
1y 1mo
2026-05-14
143 peers
AS3549
v4 v6
Charter-Communications-CHARTER-22516-CENTRAL-CA-C3
AS22516
2024-09-01
1y 8mo
2026-05-14
115 peers
AS174 AS260 AS2914 AS3130 AS3257 AS3320 AS4128 AS5580 AS6082 AS6453 AS6762 AS8582 AS13830 AS14315 AS15562 AS16276 AS17660 AS49544 AS51185 AS52468 AS55720 AS64475 AS132825 AS132884 AS136557 AS151326 AS199524 AS212271 AS263009 AS271253 AS328840
v4 v6

Customers (0)

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

2025-11-20
Lost Transit
AS21924 AS21924 → lost provider AS5783 AS5783
Confidence: 85% Duration: 238d
2025-07-09
New Transit
AS21924 AS21924 → added provider AS5783 AS5783
Confidence: 90%
2025-07-08
Lost Transit
AS21924 AS21924 → lost provider CALREN-DC AS2152
Confidence: 85% Duration: 309d
2025-05-05
Possible Trial
AS21924 AS21924 → possible trial with AS5783 AS5783
Confidence: 60%
2025-03-27
Lost Transit
AS21924 AS21924 → lost provider AS5783 AS5783
Confidence: 85%
2024-09-02
New Transit
AS21924 AS21924 → added provider Charter-Communications-CHARTER-22516-CENTRAL-CA-C3 AS22516
Confidence: 90%
2024-09-02
New Transit
AS21924 AS21924 → added provider CALREN-DC AS2152
Confidence: 90%

Renewal Calendar

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

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