CTC-ALFA-AS

AS50138 · MD · RIPENCC

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1

Upstream providers

1

Downstream customers

256

v4 addresses

0

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
AXAUTSYS AS15836	2024-11-06 1y 7mo	2026-06-09	191 peers AS1299 AS199524 AS398465		v4 v6

Customers (1)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
TOPHOST-MD-AS AS44388	MD	2024-11-06 1y 7mo	2026-06-09	512	191 peers AS1299 AS199524 AS398465		v4 v6

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

2026-05-03

New Transit

TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138

Confidence: 90%

⇄

2025-11-29

New Transit

TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138

Confidence: 90%

⇄

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%

⇄

2025-08-09

New Transit

TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138

Confidence: 90%

⇄

2025-06-20

New Transit

TOPHOST-MD-AS AS44388 → added provider CTC-ALFA-AS AS50138

Confidence: 90%

⇄

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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