KOLT-AS

AS51973 · RU · RIPENCC
Export CSV
2
Upstream providers
2
Downstream customers
8.2k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
INETCOM
AS35598
 2024-11-01
1y 6mo
 2026-05-02
25 peers
AS2914 AS3257 AS3320 AS3491 AS5580 AS6461 AS6830 AS7018 AS8582 AS12956 AS40864 AS55720 AS398465
RASCOM-AS
AS20764
 2025-01-28
1y 3mo
 2026-05-02
61 peers
AS209 AS3549

Customers (2)

Customer Country First Seen Last Seen IPs Peers Confidence
PROGRESSTECH
AS49954
 RU 2024-11-01
1y 6mo
 2026-05-02 768
25 peers
AS209 AS3549
STARLINE
AS201511
 RU 2024-11-01
1y 6mo
 2026-05-02 512
52 peers
AS3491 AS7018

Network Size

IPv4 and IPv6 prefixes originated over time

2
v4 prefixes
8.2k
v4 addresses
0
v6 prefixes
0
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-04-29
Lost Transit
STARLINE AS201511 → lost provider KOLT-AS AS51973
Confidence: 85% Duration: 543d
⇄
2024-11-28
Lost Transit
PROGRESSTECH AS49954 → lost provider KOLT-AS AS51973
Confidence: 85% Duration: 26d
⇄
2024-11-02
New Transit
STARLINE AS201511 → added provider KOLT-AS AS51973
Confidence: 90%
⇄
2024-11-02
New Transit
KOLT-AS AS51973 → added provider MIRAN-AS AS41722
Confidence: 90%
⇄
2024-11-02
New Transit
KOLT-AS AS51973 → added provider INETCOM AS35598
Confidence: 90%
⇄
2024-11-02
New Transit
PROGRESSTECH AS49954 → added provider KOLT-AS AS51973
Confidence: 90%
⇄

Renewal Calendar

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

This data is available to subscribers.

Sign in to view