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AS12257 · US · ARIN
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12
Upstream providers
0
Downstream customers
17k
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

67
v4 prefixes
17k
v4 addresses
5
v6 prefixes
<0.1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-04-26
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 601d
⇄
2026-02-16
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 532d
⇄
2026-01-17
Lost Transit
AS12257 AS12257 → lost provider SINGTEL-AS-AP AS7473
Confidence: 85% Duration: 502d
⇄
2025-12-29
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2025-11-04
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 428d
⇄
2025-10-25
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2025-09-04
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 367d
⇄
2025-09-01
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2025-08-08
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 340d
⇄
2025-08-01
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2025-07-18
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 319d
⇄
2025-07-17
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2025-06-13
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 284d
⇄
2025-06-06
Lost Transit
AS12257 AS12257 → lost provider AS2686 AS2686
Confidence: 85% Duration: 257d
⇄
2025-05-16
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 256d
⇄
2025-05-07
Lost Transit
AS12257 AS12257 → lost provider BBIL-AP AS9498
Confidence: 85% Duration: 247d
⇄
2025-03-28
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2025-03-16
Lost Transit
AS12257 AS12257 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 195d
⇄
2025-03-15
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2025-02-28
Lost Transit
AS12257 AS12257 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 179d
⇄
2025-02-09
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2025-01-27
Lost Transit
AS12257 AS12257 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 147d
⇄
2025-01-21
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2025-01-10
Lost Transit
AS12257 AS12257 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 130d
⇄
2024-12-29
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2024-12-22
Lost Transit
AS12257 AS12257 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 111d
⇄
2024-11-11
New Transit
AS12257 AS12257 → added provider AS3356 AS3356
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider Radware AS198949
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider HOTNET-IL AS12849
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider PARTNER-AS AS12400
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider BBIL-AP AS9498
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider COLT AS8220
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider SINGTEL-AS-AP AS7473
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider AS7018 AS7018
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider BT AS5400
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider STARHUB-INTERNET AS4657
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider CW AS1273
Confidence: 90%
⇄
2024-09-02
New Transit
AS12257 AS12257 → added provider AS701 AS701
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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