CORETECH-AS

AS56559 · IT · RIPENCC

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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
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

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

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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