CORETECH-AS

AS56559 · IT · RIPENCC
3
Upstream providers
0
Downstream customers
3.3k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
FIBERTELECOM-AS
AS41327
2024-09-01
1y 8mo
2026-05-07
24 peers
AS260 AS3257 AS5580 AS16260
SEABONE-NET
AS6762
2025-09-03
8mo
2026-05-07
263 peers
AS3320 AS6057 AS6461 AS6830 AS7018 AS13058 AS13781 AS17350 AS17639 AS19529 AS24961 AS28910 AS29680 AS33874 AS37053 AS40864 AS44393 AS47147 AS51873 AS59414 AS151704 AS199524 AS264845
ARUBA-ASN
AS31034
2026-01-13
3mo
2026-05-07
6 peers
AS209 AS3549

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

4
v4 prefixes
3.3k
v4 addresses
0
v6 prefixes
0
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2026-02-20
New Transit
CORETECH-AS AS56559 → added provider ARUBA-ASN AS31034
Confidence: 90%
2026-02-19
Lost Transit
CORETECH-AS AS56559 → lost provider ASN-ITNET AS3242
Confidence: 85% Duration: 535d
2025-12-17
New Transit
CORETECH-AS AS56559 → added provider FIBERTELECOM-AS AS41327
Confidence: 90%
2025-12-17
New Transit
CORETECH-AS AS56559 → added provider ASN-ITNET AS3242
Confidence: 90%
2025-12-11
Lost Transit
CORETECH-AS AS56559 → lost provider ASN-ITNET AS3242
Confidence: 85% Duration: 465d
2025-12-11
Lost Transit
CORETECH-AS AS56559 → lost provider FIBERTELECOM-AS AS41327
Confidence: 85% Duration: 465d
2025-11-16
New Transit
CORETECH-AS AS56559 → added provider ASN-ITNET AS3242
Confidence: 90%
2025-10-30
Lost Transit
CORETECH-AS AS56559 → lost provider ASN-ITNET AS3242
Confidence: 85% Duration: 423d
2025-09-04
New Transit
CORETECH-AS AS56559 → added provider SEABONE-NET AS6762
Confidence: 90%
2024-09-02
New Transit
CORETECH-AS AS56559 → added provider FIBERTELECOM-AS AS41327
Confidence: 90%
2024-09-02
New Transit
CORETECH-AS AS56559 → added provider ASN-ITNET AS3242
Confidence: 90%

Renewal Calendar

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

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