FASTCOMMUNICATIONS

AS50398 · CZ · RIPENCC

Export CSV

2

Upstream providers

1

Downstream customers

3.1k

v4 addresses

<0.1

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
TTI-NET AS6663	2024-09-01 1y 8mo	2026-05-13	86 peers AS209 AS260 AS3257 AS3549 AS5580 AS16260		v4 v6
AS174 AS174	2025-03-20 1y 1mo	2026-05-13	73 peers AS701 AS835 AS924 AS999 AS1031 AS3320 AS3491 AS4641 AS4775 AS6453 AS6461 AS6730 AS6830 AS7018 AS8220 AS12956 AS16276 AS16552 AS17350 AS17660 AS19529 AS27986 AS32590 AS35280 AS37497 AS40864 AS49434 AS52468 AS52873 AS57866 AS61832 AS132884 AS142289 AS197580 AS199524 AS212317 AS271253 AS328206 AS328840		v4 v6

Customers (1)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
netcraftsolutions AS210111	CZ	2024-09-01 1y 8mo	2026-05-13	1k	38 peers AS209 AS701 AS999 AS1031 AS3320 AS3491 AS6453 AS6461 AS6730 AS6830 AS7018 AS8220 AS12956 AS16276 AS17350 AS35280 AS37497 AS52873 AS57866 AS197580 AS199524 AS271253 AS328206 AS328840		v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

7

v4 prefixes

3.1k

v4 addresses

1

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

2026-01-03

Lost Transit

FASTCOMMUNICATIONS AS50398 → lost provider TLAP-ZCOM AS206548

Confidence: 85% Duration: 328d

⇄

2025-08-25

Lost Transit

FASTCOMMUNICATIONS AS50398 → lost provider AS174 AS174

Confidence: 85% Duration: 157d

⇄

2025-03-21

New Transit

FASTCOMMUNICATIONS AS50398 → added provider AS174 AS174

Confidence: 90%

⇄

2025-02-09

New Transit

FASTCOMMUNICATIONS AS50398 → added provider TLAP-ZCOM AS206548

Confidence: 90%

⇄

2024-09-02

New Transit

netcraftsolutions AS210111 → added provider FASTCOMMUNICATIONS AS50398

Confidence: 90%

⇄

2024-09-02

New Transit

FASTCOMMUNICATIONS AS50398 → added provider TTI-NET AS6663

Confidence: 90%

⇄

Renewal Calendar

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

This data is available to subscribers.

Sign in to view