K2_INT

AS51219 · RU · RIPENCC
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6
Upstream providers
1
Downstream customers
17k
v4 addresses
8
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
RETN-AS
AS9002
 2025-01-01
1y 3mo
 2026-04-23
32 peers
AS3257 AS5580
CITYTELECOM-AS
AS29076
 2025-01-01
1y 3mo
 2026-04-23
8 peers
AS260 AS5580 AS8582 AS16260
GNM-AS
AS31500
 2025-01-01
1y 3mo
 2026-04-23
83 peers
AS209 AS3549 AS7594
CIREX
AS199599
 2025-01-01
1y 3mo
 2026-04-23
194 peers
AS260 AS3257 AS5580 AS16260
TWELVE99
AS1299
 2025-01-01
1y 3mo
 2026-04-23
56 peers
AS701 AS2914 AS3320 AS4128 AS4641 AS6461 AS6830 AS7018 AS17350 AS59238
AS-SERVICEPIPE
AS201706
 2025-09-16
7mo
 2026-04-23
53 peers
AS209 AS835 AS852 AS917 AS924 AS2500 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5580 AS6082 AS6461 AS6730 AS6830 AS7018 AS11039 AS14907 AS15562 AS15692 AS16260 AS16276 AS16552 AS19529 AS20080 AS21700 AS24516 AS32590 AS34927 AS40864 AS40994 AS45437 AS48112 AS52468 AS53828 AS55720 AS57821 AS59414 AS132825 AS134823 AS136557 AS150369 AS151704 AS197580 AS199524 AS200612 AS328964 AS398465

Customers (1)

Customer Country First Seen Last Seen Peers Confidence
Stroymontag-AS
AS60779
 RU 2025-01-01
1y 3mo
 2026-04-23
38 peers
AS209 AS260 AS2500 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS5580 AS6082 AS6830 AS7018 AS7594 AS11039 AS16260 AS16276 AS16552 AS20080 AS24516 AS38008 AS40864 AS46997 AS49544 AS52468 AS132825 AS134823 AS197580 AS199524 AS328964 AS398465

Network Size

IPv4 and IPv6 prefixes originated over time

45
v4 prefixes
17k
v4 addresses
1
v6 prefixes
8
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-01-01
New Transit
K2_INT AS51219 → added provider CIREX AS199599
Confidence: 90%
⇄
2025-11-27
Lost Transit
K2_INT AS51219 → dropped provider CIREX AS199599
Confidence: 85% Duration: 329d
⇄
2025-11-27
Lost Transit
AS27263 AS27263 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 329d
⇄
2025-11-14
Possible Trial
K2_INT AS51219 → possible trial with GARS-AS AS31261
Confidence: 60% Duration: 32d
⇄
2025-11-03
New Transit
K2_INT AS51219 → added provider AS-SERVICEPIPE AS201706
Confidence: 90%
⇄
2025-11-02
Lost Transit
CROC-AS AS33903 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 304d
⇄
2025-10-31
New Transit
K2_INT AS51219 → added provider CITYTELECOM-AS AS29076
Confidence: 90%
⇄
2025-10-29
New Transit
CROC-AS AS33903 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-10-28
Lost Transit
K2_INT AS51219 → dropped provider CIREX AS199599
Confidence: 85% Duration: 299d
⇄
2025-10-28
Lost Transit
AS27263 AS27263 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 299d
⇄
2025-10-16
Possible Trial
CITYTELECOM-AS AS29076 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 80d
⇄
2025-10-13
Possible Trial
K2_INT AS51219 → possible trial with GARS-AS AS31261
Confidence: 60%
⇄
2025-09-23
Possible Trial
SVYAZNOY-CHAIN-AS AS34485 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 57d
⇄
2025-09-22
Possible Trial
CITYTELECOM-AS AS29076 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 56d
⇄
2025-09-17
Lost Transit
K2_INT AS51219 → dropped provider AS-SERVICEPIPE AS201706
Confidence: 85%
⇄
2025-09-15
Lost Transit
K2_INT AS51219 → dropped provider TWELVE99 AS1299
Confidence: 85% Duration: 256d
⇄
2025-09-05
Lost Transit
K2_INT AS51219 → dropped provider CITYTELECOM-AS AS29076
Confidence: 85% Duration: 246d
⇄
2025-08-28
Lost Transit
CROC-AS AS33903 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 238d
⇄
2025-08-27
New Transit
CROC-AS AS33903 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-08-26
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 118d
⇄
2025-08-21
Lost Transit
SVYAZNOY-CHAIN-AS AS34485 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 113d
⇄
2025-08-17
Lost Transit
K2_INT AS51219 → dropped provider GARS-AS AS31261
Confidence: 85% Duration: 32d
⇄
2025-08-17
New Transit
CITYTELECOM-AS AS29076 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-08-16
Lost Transit
RETNRU-AS AS57304 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 226d
⇄
2025-08-14
Possible Trial
SVYAZNOY-CHAIN-AS AS34485 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 17d
⇄
2025-08-13
Lost Transit
INFOTECS-AS AS59604 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 223d
⇄
2025-08-12
New Transit
RETNRU-AS AS57304 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-08-11
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 103d
⇄
2025-08-06
Lost Transit
RETNRU-AS AS57304 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 216d
⇄
2025-08-06
Lost Transit
K2_INT AS51219 → dropped provider CITYTELECOM-AS AS29076
Confidence: 85% Duration: 216d
⇄
2025-07-31
New Transit
CITYTELECOM-AS AS29076 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-07-29
Possible Trial
CITYTELECOM-AS AS29076 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 1d
⇄
2025-07-28
Possible Trial
SVYAZNOY-CHAIN-AS AS34485 → possible trial with K2_INT AS51219
Confidence: 60%
⇄
2025-07-19
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 80d
⇄
2025-07-16
Lost Transit
K2_INT AS51219 → dropped provider GARS-AS AS31261
Confidence: 85%
⇄
2025-07-02
New Transit
CITYTELECOM-AS AS29076 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-06-26
Lost Transit
SVYAZNOY-CHAIN-AS AS34485 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 57d
⇄
2025-06-25
New Transit
RETNRU-AS AS57304 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-06-25
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 56d
⇄
2025-05-31
Lost Transit
K2_INT AS51219 → dropped provider CROC_INC_1 AS214524
Confidence: 85% Duration: 149d
⇄
2025-05-29
Lost Transit
RETNRU-AS AS57304 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 147d
⇄
2025-05-27
Lost Transit
K2_INT AS51219 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 145d
⇄
2025-05-24
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 24d
⇄
2025-05-22
New Transit
K2_INT AS51219 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-05-17
Lost Transit
SVYAZNOY-CHAIN-AS AS34485 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 17d
⇄
2025-05-17
New Transit
CITYTELECOM-AS AS29076 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-05-16
Lost Transit
K2_INT AS51219 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 134d
⇄
2025-05-14
New Transit
K2_INT AS51219 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-05-01
Lost Transit
CITYTELECOM-AS AS29076 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 1d
⇄
2025-04-30
Lost Transit
SVYAZNOY-CHAIN-AS AS34485 → dropped provider K2_INT AS51219
Confidence: 85%
⇄
2025-04-30
New Transit
CITYTELECOM-AS AS29076 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-04-29
Lost Transit
K2_INT AS51219 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 117d
⇄
2025-04-29
Possible Trial
CROC-AS AS33903 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 28d
⇄
2025-04-26
New Transit
K2_INT AS51219 → added provider GNM-AS AS31500
Confidence: 90%
⇄
2025-04-25
Lost Transit
K2_INT AS51219 → dropped provider CITYTELECOM-AS AS29076
Confidence: 85% Duration: 113d
⇄
2025-04-25
Lost Transit
K2_INT AS51219 → dropped provider TWELVE99 AS1299
Confidence: 85% Duration: 113d
⇄
2025-04-24
Possible Trial
K2_INT AS51219 → possible trial with GNM-AS AS31500
Confidence: 60% Duration: 23d
⇄
2025-04-07
Possible Trial
CROC-AS AS33903 → possible trial with K2_INT AS51219
Confidence: 60% Duration: 6d
⇄
2025-04-06
New Transit
RETNRU-AS AS57304 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-04-03
Lost Transit
K2_INT AS51219 → dropped provider GNM-AS AS31500
Confidence: 85% Duration: 91d
⇄
2025-04-02
New Transit
Stroymontag-AS AS60779 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-04-02
New Transit
INFOTECS-AS AS59604 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider CROC_INC_1 AS214524
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider CIREX AS199599
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider GNM-AS AS31500
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider CITYTELECOM-AS AS29076
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-04-02
New Transit
K2_INT AS51219 → added provider TWELVE99 AS1299
Confidence: 90%
⇄
2025-04-02
New Transit
AS27263 AS27263 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-02-09
Lost Transit
K2_INT AS51219 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 38d
⇄
2025-01-30
New Transit
CROC-AS AS33903 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-01-13
Lost Transit
RETNRU-AS AS57304 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 11d
⇄
2025-01-12
New Transit
RETNRU-AS AS57304 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-01-08
Lost Transit
CROC-AS AS33903 → dropped provider K2_INT AS51219
Confidence: 85% Duration: 6d
⇄
2025-01-02
New Transit
Stroymontag-AS AS60779 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-01-02
New Transit
INFOTECS-AS AS59604 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider CROC_INC_1 AS214524
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider CIREX AS199599
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider GNM-AS AS31500
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider CITYTELECOM-AS AS29076
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-01-02
New Transit
K2_INT AS51219 → added provider TWELVE99 AS1299
Confidence: 90%
⇄
2025-01-02
New Transit
CROC-AS AS33903 → added provider K2_INT AS51219
Confidence: 90%
⇄
2025-01-02
New Transit
AS27263 AS27263 → added provider K2_INT AS51219
Confidence: 90%
⇄

Renewal Calendar

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

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