A1-SYSTEMS-AS

AS49452 · RU · RIPENCC

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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

Provider	First Seen	Last Seen	Peers	Confidence
RETN-AS AS9002	2024-09-01 1y 8mo	2026-05-08	34 peers AS209 AS3491 AS3549 AS7018 AS24516 AS38008 AS46997 AS134823 AS199524
MASTERTEL-AS AS29226	2025-10-02 7mo	2026-05-08	5 peers AS260 AS3257 AS5580 AS16260

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

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-10-22

Lost Transit

A1-SYSTEMS-AS AS49452 → lost provider MASTERTEL-AS AS29226

Confidence: 85% Duration: 19d

⇄

2025-10-02

Lost Transit

A1-SYSTEMS-AS AS49452 → lost provider MF-MGSM-AS AS31133

Confidence: 85% Duration: 395d

⇄

2024-09-02

New Transit

A1-SYSTEMS-AS AS49452 → added provider MF-MGSM-AS AS31133

Confidence: 90%

⇄

2024-09-02

New Transit

A1-SYSTEMS-AS AS49452 → added provider RETN-AS AS9002

Confidence: 90%

⇄

Renewal Calendar

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

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