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AS9597 · JP · APNIC
Export CSV
2
Upstream providers
0
Downstream customers
277k
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
AS2516
AS2516
 2024-09-01
1y 9mo
 2026-06-09
16 peers
AS209 AS260 AS3257 AS3549 AS5580 AS12956
v4 v6
ULTINA
AS17676
 2024-09-01
1y 9mo
 2026-06-09
10 peers
AS12956
v4 v6

Customers (0)

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

Network Size

IPv4 and IPv6 prefixes originated over time

26
v4 prefixes
277k
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
2025-12-10
New Transit
AS9597 AS9597 → added provider ULTINA AS17676
Confidence: 90%
⇄
2025-11-18
Lost Transit
AS9597 AS9597 → lost provider ULTINA AS17676
Confidence: 85% Duration: 442d
⇄
2025-02-01
Lost Transit
AS9597 AS9597 → lost provider AS2518 AS2518
Confidence: 85% Duration: 152d
⇄
2024-10-03
New Transit
AS9597 AS9597 → added provider ULTINA AS17676
Confidence: 90%
⇄
2024-10-03
New Transit
AS9597 AS9597 → added provider AS2518 AS2518
Confidence: 90%
⇄
2024-09-26
Lost Transit
AS9597 AS9597 → lost provider AS2518 AS2518
Confidence: 85% Duration: 24d
⇄
2024-09-26
Lost Transit
AS9597 AS9597 → lost provider ULTINA AS17676
Confidence: 85% Duration: 24d
⇄
2024-09-22
New Transit
AS9597 AS9597 → added provider ULTINA AS17676
Confidence: 90%
⇄
2024-09-22
New Transit
AS9597 AS9597 → added provider AS2518 AS2518
Confidence: 90%
⇄
2024-09-15
Lost Transit
AS9597 AS9597 → lost provider ULTINA AS17676
Confidence: 85% Duration: 13d
⇄
2024-09-15
Lost Transit
AS9597 AS9597 → lost provider AS2518 AS2518
Confidence: 85% Duration: 13d
⇄
2024-09-02
New Transit
AS9597 AS9597 → added provider ULTINA AS17676
Confidence: 90%
⇄
2024-09-02
New Transit
AS9597 AS9597 → added provider AS2518 AS2518
Confidence: 90%
⇄
2024-09-02
New Transit
AS9597 AS9597 → added provider AS2516 AS2516
Confidence: 90%
⇄

Renewal Calendar

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

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