AS400517 · US · ARIN
1
Upstream providers
1
Downstream customers
256
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS33490
AS33490
2024-09-01
1y 9mo
2026-06-09
23 peers
AS209 AS3549
v4 v6

Customers (1)

Customer Country First Seen Last Seen IPs Peers Confidence AF
IETF-MEETING
AS56554
CH 2024-09-01
1y 9mo
2026-06-09 4.1k
23 peers
AS209 AS3549
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

1
v4 prefixes
256
v4 addresses
1
v6 prefixes
<0.1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2026-02-04
Lost Transit
AS400517 AS400517 → lost provider AS33490 AS33490
Confidence: 85% Duration: 520d
2026-02-04
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 520d
2025-11-20
Lost Transit
AS400517 AS400517 → lost provider AS33490 AS33490
Confidence: 85% Duration: 444d
2025-11-20
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 444d
2025-11-15
New Transit
IETF-MEETING AS56554 → added provider AS400517 AS400517
Confidence: 90%
2025-10-17
Lost Transit
NANOG AS19230 → lost provider AS400517 AS400517
Confidence: 85% Duration: 410d
2025-10-11
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 404d
2025-09-18
New Transit
NANOG AS19230 → added provider AS400517 AS400517
Confidence: 90%
2025-08-09
New Transit
IETF-MEETING AS56554 → added provider AS400517 AS400517
Confidence: 90%
2025-06-24
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 295d
2025-05-02
New Transit
IETF-MEETING AS56554 → added provider AS400517 AS400517
Confidence: 90%
2025-02-18
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 169d
2024-12-06
New Transit
IETF-MEETING AS56554 → added provider AS400517 AS400517
Confidence: 90%
2024-10-15
Possible Trial
IETF-MEETING AS56554 → possible trial with AS400517 AS400517
Confidence: 60% Duration: 4d
2024-10-11
Possible Trial
NANOG AS19230 → possible trial with AS400517 AS400517
Confidence: 60%
2024-10-09
Lost Transit
IETF-MEETING AS56554 → lost provider AS400517 AS400517
Confidence: 85% Duration: 37d
2024-10-04
Lost Transit
NANOG AS19230 → lost provider AS400517 AS400517
Confidence: 85% Duration: 32d
2024-09-02
New Transit
AS400517 AS400517 → added provider AS33490 AS33490
Confidence: 90%
2024-09-02
New Transit
IETF-MEETING AS56554 → added provider AS400517 AS400517
Confidence: 90%
2024-09-02
New Transit
NANOG AS19230 → added provider AS400517 AS400517
Confidence: 90%

Renewal Calendar

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

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