WIT

AS20555 · WIT University 01-447 Warszawa, ul. Newelska 6, Poland · PL · RIPENCC

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Upstream providers

Downstream customers

1.5k

v4 addresses

<0.1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Customers (0)

Addr family: All IPv4 IPv6

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

v4 prefixes

1.5k

v4 addresses

v6 prefixes

<0.1

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-05-12

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 617d

⇄

2026-05-05

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 590d

⇄

2026-04-15

New Transit

WIT AS20555 → added provider ICM-PUB AS8664

Confidence: 90%

⇄

2026-04-14

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 589d

⇄

2026-01-25

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

2026-01-24

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 509d

⇄

2025-12-18

New Transit

WIT AS20555 → added provider ICM-PUB AS8664

Confidence: 90%

⇄

2025-12-17

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 471d

⇄

2025-11-06

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 430d

⇄

2025-11-06

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 410d

⇄

2025-10-26

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

2025-10-24

New Transit

WIT AS20555 → added provider AS6939 AS6939

Confidence: 90%

⇄

2025-10-17

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 390d

⇄

2025-09-28

New Transit

WIT AS20555 → added provider AS6939 AS6939

Confidence: 90%

⇄

2025-08-27

New Transit

WIT AS20555 → added provider ICM-PUB AS8664

Confidence: 90%

⇄

2025-08-26

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 358d

⇄

2025-08-10

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

2025-08-09

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 341d

⇄

2025-06-29

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 280d

⇄

2025-05-30

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 270d

⇄

2025-05-24

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 264d

⇄

2025-05-24

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 244d

⇄

2025-05-16

New Transit

WIT AS20555 → added provider ICM-PUB AS8664

Confidence: 90%

⇄

2025-05-16

New Transit

WIT AS20555 → added provider AS6939 AS6939

Confidence: 90%

⇄

2025-05-03

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

2025-05-02

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 242d

⇄

2025-03-14

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 193d

⇄

2025-03-12

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

2025-03-11

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 190d

⇄

2024-12-12

Lost Transit

WIT AS20555 → lost provider AS6939 AS6939

Confidence: 85% Duration: 81d

⇄

2024-12-12

New Transit

WIT AS20555 → added provider ICM-PUB AS8664

Confidence: 90%

⇄

2024-12-11

Lost Transit

WIT AS20555 → lost provider NASK-ACADEMIC AS1887

Confidence: 85% Duration: 100d

⇄

2024-10-27

Possible Trial

WIT AS20555 → possible trial with ICM-PUB AS8664

Confidence: 60% Duration: 16d

⇄

2024-09-18

Lost Transit

WIT AS20555 → lost provider ICM-PUB AS8664

Confidence: 85% Duration: 16d

⇄

2024-09-02

New Transit

WIT AS20555 → added provider ATMAN-Foreign-AS AS24724

Confidence: 90%

⇄

2024-09-02

New Transit

WIT AS20555 → added provider NASK-ACADEMIC AS1887

Confidence: 90%

⇄

Renewal Calendar

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

This data is available to subscribers.