CTC-ALFA-AS

AS50138 · MD · RIPENCC
1
Upstream providers
1
Downstream customers
256
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AXAUTSYS
AS15836
2024-11-06
1y 6mo
2026-05-07
191 peers
AS1299 AS199524 AS398465

Customers (1)

Customer Country First Seen Last Seen IPs Peers Confidence
TOPHOST-MD-AS
AS44388
MD 2024-11-06
1y 6mo
2026-05-07 512
191 peers
AS1299 AS199524 AS398465

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

2026-05-03
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2026-03-13
Lost Transit
CTC-ALFA-AS AS50138 → lost provider EUROTELECOM AS35346
Confidence: 85% Duration: 557d
2026-02-10
Lost Transit
TOPHOST-MD-AS AS44388 → lost provider CTC-ALFA-AS AS50138
Confidence: 85% Duration: 460d
2025-11-29
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2025-11-21
Lost Transit
TOPHOST-MD-AS AS44388 → lost provider CTC-ALFA-AS AS50138
Confidence: 85% Duration: 379d
2025-11-20
New Transit
CTC-ALFA-AS AS50138 → added provider EUROTELECOM AS35346
Confidence: 90%
2025-08-22
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2025-08-13
Lost Transit
TOPHOST-MD-AS AS44388 → lost provider CTC-ALFA-AS AS50138
Confidence: 85% Duration: 279d
2025-08-09
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2025-07-10
Lost Transit
TOPHOST-MD-AS AS44388 → lost provider CTC-ALFA-AS AS50138
Confidence: 85% Duration: 245d
2025-06-20
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2025-03-05
Lost Transit
CTC-ALFA-AS AS50138 → lost provider EUROTELECOM AS35346
Confidence: 85% Duration: 184d
2024-12-16
Possible Trial
TOPHOST-MD-AS AS44388 → possible trial with CTC-ALFA-AS AS50138
Confidence: 60%
2024-11-19
Lost Transit
TOPHOST-MD-AS AS44388 → lost provider CTC-ALFA-AS AS50138
Confidence: 85% Duration: 12d
2024-11-07
New Transit
CTC-ALFA-AS AS50138 → added provider AXAUTSYS AS15836
Confidence: 90%
2024-11-07
New Transit
TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138
Confidence: 90%
2024-09-02
New Transit
CTC-ALFA-AS AS50138 → added provider EUROTELECOM AS35346
Confidence: 90%

Renewal Calendar

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

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