CTSI

AS213306 · SOX STELKOM CT Slovenia GORENJSKA BANKA AIK BANKA CETIN · RS · RIPENCC

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4

Upstream providers

2

Downstream customers

1k

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	AF
SI-STELKOM AS43061	2024-09-01 1y 9mo	2026-06-09	144 peers AS209 AS3257 AS3320 AS3491 AS3549 AS5580 AS6830 AS7018 AS8582 AS57866 AS151704	v4 v6
SIOL-NET AS5603	2024-09-01 1y 9mo	2026-06-09	65 peers AS174 AS209 AS260 AS3130 AS3257 AS3549 AS5580 AS6461 AS6830 AS7018 AS7594 AS14907 AS19529 AS40864 AS52468 AS132825 AS151326 AS151704 AS199524 AS212271 AS265721 AS328840	v4 v6
CETIN_doo_AS AS15958	2024-09-01 1y 9mo	2026-06-09	60 peers AS209 AS3257 AS3320 AS3549 AS5580 AS6461 AS6730 AS6830 AS7018 AS8582 AS16552 AS40864 AS45437 AS55720 AS57821 AS151704	v4 v6
SOX AS13004	2024-09-01 1y 9mo	2026-06-09	58 peers AS3320 AS6461	v4 v6

Customers (2)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
gbkr-as AS35023	SI	2024-09-01 1y 9mo	2026-06-09	256	70 peers AS174 AS209 AS260 AS3130 AS3257 AS3549 AS5580 AS6461 AS6830 AS7018 AS7594 AS14907 AS19529 AS40864 AS52468 AS132825 AS151326 AS151704 AS199524 AS212271 AS265721 AS328840		v4 v6
AIKBankaASN AS200855	RS	2024-09-01 1y 9mo	2026-06-09	1.8k	144 peers AS209 AS3257 AS3320 AS3549 AS5580 AS6461 AS6730 AS6830 AS7018 AS8582 AS16552 AS40864 AS45437 AS55720 AS57821 AS151704		v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

5

v4 prefixes

1k

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

2026-05-21

New Transit

CTSI AS213306 → added provider SOX AS13004

Confidence: 90%

⇄

2026-05-06

Lost Transit

CTSI AS213306 → lost provider SOX AS13004

Confidence: 85% Duration: 611d

⇄

2025-08-06

Lost Transit

CTSI AS213306 → lost provider SOX AS13004

Confidence: 85% Duration: 338d

⇄

2025-06-15

Possible Trial

CTSI AS213306 → possible trial with ORIONTELEKOM-AS AS9125

Confidence: 60%

⇄

2025-05-28

Lost Transit

CTSI AS213306 → lost provider SOX AS13004

Confidence: 85% Duration: 268d

⇄

2025-05-07

Lost Transit

CTSI AS213306 → lost provider ORIONTELEKOM-AS AS9125

Confidence: 85%

⇄

2025-04-04

Lost Transit

CTSI AS213306 → lost provider SOX AS13004

Confidence: 85% Duration: 214d

⇄

2024-09-02

New Transit

CTSI AS213306 → added provider SI-STELKOM AS43061

Confidence: 90%

⇄

2024-09-02

New Transit

CTSI AS213306 → added provider CETIN_doo_AS AS15958

Confidence: 90%

⇄

2024-09-02

New Transit

CTSI AS213306 → added provider SOX AS13004

Confidence: 90%

⇄

2024-09-02

New Transit

CTSI AS213306 → added provider SIOL-NET AS5603

Confidence: 90%

⇄

2024-09-02

New Transit

AIKBankaASN AS200855 → added provider CTSI AS213306

Confidence: 90%

⇄

2024-09-02

New Transit

gbkr-as AS35023 → added provider CTSI AS213306

Confidence: 90%

⇄

Renewal Calendar

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

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