CETI-AS

AS15541 · CETI ISP, Poland · PL · RIPENCC
2
Upstream providers
1
Downstream customers
4.6k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
S-NET-AS
AS42927
2024-09-01
1y 9mo
2026-06-09
183 peers
AS209 AS2914 AS3549 AS15562
v4 v6
AS9141
AS9141
2025-02-13
1y 4mo
2026-06-09
129 peers
AS209 AS999 AS1031 AS2500 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS8220 AS8426 AS8582 AS11039 AS12956 AS14315 AS14907 AS15562 AS15605 AS16276 AS16552 AS17660 AS20080 AS29140 AS32590 AS35710 AS38001 AS38880 AS40864 AS45489 AS49434 AS49544 AS51185 AS52075 AS52468 AS53828 AS55720 AS56457 AS57821 AS64475 AS132884 AS134823 AS142289 AS150369 AS151704 AS197580 AS199524 AS216285 AS264479
v4 v6

Customers (1)

Customer Country First Seen Last Seen IPs Peers Confidence AF
ENDOR-AS
AS29593
PL 2024-09-17
1y 8mo
2026-06-09 1k
46 peers
AS209 AS2914 AS3549 AS15562
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

18
v4 prefixes
4.6k
v4 addresses
0
v6 prefixes
0
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2026-05-16
Lost Transit
KOLPING-AS AS44732 → lost provider CETI-AS AS15541
Confidence: 85% Duration: 476d
2026-05-15
New Transit
KOLPING-AS AS44732 → added provider CETI-AS AS15541
Confidence: 90%
2026-03-26
Lost Transit
KOLPING-AS AS44732 → lost provider CETI-AS AS15541
Confidence: 85% Duration: 425d
2026-03-11
Lost Transit
KOLPING-AS AS44732 → lost provider CETI-AS AS15541
Confidence: 85% Duration: 410d
2025-02-18
New Transit
ENDOR-AS AS29593 → added provider CETI-AS AS15541
Confidence: 90%
2025-02-14
New Transit
CETI-AS AS15541 → added provider AS9141 AS9141
Confidence: 90%
2025-02-13
Lost Transit
KOLPING-AS AS44732 → lost provider CETI-AS AS15541
Confidence: 85% Duration: 19d
2025-02-13
Lost Transit
CETI-AS AS15541 → lost provider LibertyGlobal AS6830
Confidence: 85% Duration: 164d
2025-01-25
New Transit
KOLPING-AS AS44732 → added provider CETI-AS AS15541
Confidence: 90%
2024-12-18
Lost Transit
AS43816 AS43816 → lost provider CETI-AS AS15541
Confidence: 85% Duration: 107d
2024-10-27
Possible Trial
ENDOR-AS AS29593 → possible trial with CETI-AS AS15541
Confidence: 60%
2024-09-18
Lost Transit
ENDOR-AS AS29593 → lost provider CETI-AS AS15541
Confidence: 85%
2024-09-02
New Transit
AS43816 AS43816 → added provider CETI-AS AS15541
Confidence: 90%
2024-09-02
New Transit
CETI-AS AS15541 → added provider S-NET-AS AS42927
Confidence: 90%
2024-09-02
New Transit
CETI-AS AS15541 → added provider LibertyGlobal AS6830
Confidence: 90%

Renewal Calendar

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

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