(AS21942) — BGP Market Intelligence

AS21942 · ARIN

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2

Upstream providers

0

Downstream customers

256

v4 addresses

0

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider	First Seen	Last Seen	Peers	Confidence
SK-TELEKOM AS6855	2024-09-01 1y 8mo	2026-05-07	124 peers AS209 AS835 AS1031 AS2152 AS2500 AS2914 AS3257 AS3491 AS3549 AS4128 AS4641 AS4775 AS6424 AS6453 AS6762 AS6830 AS7018 AS8220 AS12956 AS14315 AS14907 AS15562 AS16276 AS16552 AS17350 AS20080 AS23673 AS29140 AS32590 AS34549 AS34927 AS35280 AS41095 AS49544 AS51185 AS52075 AS52468 AS53062 AS53828 AS55720 AS58057 AS151704 AS199524 AS206499 AS262462 AS263152 AS264409 AS264479 AS266213 AS267613 AS398465
O2-CZECH-REPUBLIC AS5610	2024-09-01 1y 8mo	2026-05-07	60 peers AS209 AS999 AS1103 AS3214 AS3257 AS3491 AS5392 AS5580 AS6453 AS6730 AS6762 AS8426 AS8582 AS12956 AS16276 AS16552 AS17660 AS27986 AS28917 AS30950 AS32590 AS38001 AS41811 AS48112 AS49434 AS49605 AS51185 AS52873 AS53828 AS57821 AS61832 AS132847 AS132884 AS134823 AS197580 AS199524 AS216285

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

1

v4 prefixes

256

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

2025-08-25

Lost Transit

AS21942 AS21942 → lost provider O2-CZECH-REPUBLIC AS5610

Confidence: 85% Duration: 357d

⇄

2024-09-02

New Transit

AS21942 AS21942 → added provider SK-TELEKOM AS6855

Confidence: 90%

⇄

2024-09-02

New Transit

AS21942 AS21942 → added provider O2-CZECH-REPUBLIC AS5610

Confidence: 90%

⇄

Renewal Calendar

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

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