AS21430 Wia Spol. S.R.O. details

Summary

Country	Czechia
Organization	Wia Spol. S.R.O.
Domain	wia.cz
Number of IPv4	40,704
Number of IPv6	7.9234× 10²⁸
AS Type	ISP
Registry	RIPE NCC
Allocated	December 07, 2001 (about 24 years ago)
Updated	June 21, 2023 (about 2 years ago)

IP Ranges

AS21430 announces 65 IPv4 ranges and 6 IPv6 ranges.

That's a total of 40,704 IPv4 addresses and 7.9234× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
31.7.240.0/21	Wia Spol. S.R.O.	2,048	RIPE NCC	ALLOCATED PA
77.78.64.0/22	Wia Spol. S.R.O.	1,024	RIPE NCC	ALLOCATED PA
77.78.68.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
77.78.74.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
77.78.80.0/21	Wia Spol. S.R.O.	2,048	RIPE NCC	ALLOCATED PA
77.78.88.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
77.78.91.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
77.78.92.0/23	Bosnet S.R.O.	512	RIPE NCC	ASSIGNED PA
77.78.122.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
80.250.0.0/19	Wia-backbone Prague	8,192	RIPE NCC	ASSIGNED PA
81.0.196.0/23	Internet Service Provider	512	RIPE NCC	ASSIGNED PA
81.0.198.0/24	365internet S.R.O.	256	RIPE NCC	ASSIGNED PA
81.0.200.0/22	Wia Spol. S.R.O.	1,024	RIPE NCC	ALLOCATED PA
81.0.204.0/23	Prague9 Wifi Access	512	RIPE NCC	ASSIGNED PA
81.0.210.0/23	Royalmed S.R.O.	512	RIPE NCC	ASSIGNED PA
81.0.215.0/24	Amos Cz, A.S.	256	RIPE NCC	ASSIGNED PA
81.0.216.0/24	Vysoka Skola Podnikani A Prava, A.S.	256	RIPE NCC	ASSIGNED PA
81.0.222.0/23	Casablanca Int	512	RIPE NCC	ASSIGNED PA
81.0.224.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
81.0.227.0/24	Internet Service Provider	256	RIPE NCC	ASSIGNED PA
81.0.229.0/24	Janiga Labs, S.R.O.	256	RIPE NCC	ASSIGNED PA
81.0.244.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
81.0.251.0/24	Mudr. Martin Stransky	256	RIPE NCC	ASSIGNED PA
81.0.252.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
82.208.0.0/22	Casablanca Core Infrastructure	1,024	RIPE NCC	ASSIGNED PA
82.208.13.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
82.208.15.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
82.208.19.0/24	Iline S.R.O.	256	RIPE NCC	ASSIGNED PA
82.208.24.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
82.208.30.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
82.208.36.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
82.208.38.0/24	Divadlo Kampa O.P.S.	256	RIPE NCC	ASSIGNED PA
82.208.42.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
82.208.45.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
82.208.51.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
82.208.52.0/22	Wia Spol. S.R.O.	1,024	RIPE NCC	ALLOCATED PA
82.208.57.0/24	Brodynt Global Services Sl	256	RIPE NCC	ASSIGNED PA
82.208.59.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
83.136.200.0/21	Backbone Segment	2,048	RIPE NCC	ASSIGNED PA
85.209.124.0/23	Fiber Connections S.R.O.	512	RIPE NCC	ALLOCATED PA
85.209.126.0/24	Fiber Connections S.R.O.	256	RIPE NCC	ALLOCATED PA
85.239.224.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
85.239.226.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
85.239.228.0/23	Casablanca Int	512	RIPE NCC	ASSIGNED PA
85.239.251.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
85.239.254.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
91.234.162.0/23	Jiri Pondelicek	512	RIPE NCC	ASSIGNED PI
96.9.126.0/24	Funfirst S.R.O.	256	RIPE NCC	ASSIGNED PI
109.123.200.0/23	Casablanca Int	512	RIPE NCC	ASSIGNED PA
109.123.201.0/24	Net2u S.R.O.	256	RIPE NCC	ASSIGNED PA
109.123.204.0/24	Centrum Chodov, A.S.	256	RIPE NCC	ASSIGNED PA
109.123.212.0/23	Iline S.R.O.	512	RIPE NCC	ASSIGNED PA
109.123.226.0/24	Casablanca Int	256	RIPE NCC	ASSIGNED PA
185.33.136.0/22	Wia Spol. S.R.O.	1,024	RIPE NCC	ALLOCATED PA
185.161.240.0/22	Wia Spol. S.R.O.	1,024	RIPE NCC	ALLOCATED PA
217.11.226.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
217.11.231.0/24	Sev.en Administration And Business Consulting S.R.O.	256	RIPE NCC	ASSIGNED PA
217.11.234.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
217.11.237.0/24	Internet Service Provider	256	RIPE NCC	ASSIGNED PA
217.11.238.0/23	Wia Spol. S.R.O.	512	RIPE NCC	ALLOCATED PA
217.11.240.0/23	Extra Online Media S.R.O.	512	RIPE NCC	ASSIGNED PA
217.11.244.0/24	Casablanca ISP Infrastructure	256	RIPE NCC	ASSIGNED PA
217.11.250.0/24	Wia Spol. S.R.O.	256	RIPE NCC	ALLOCATED PA
217.11.252.0/23	Casablanca Int	512	RIPE NCC	ASSIGNED PA
217.11.255.0/24	Ceska Republika - Hasicsky Zachranny Sbor Hlavniho Mesta Prahy	256	RIPE NCC	ASSIGNED PA

Prefix	Organization	Size	Registry	Status
2001:67c:aa4::/48	Smartselling A.S.	1.2089× 10²⁴	RIPE NCC	ASSIGNED PI
2001:67c:1590::/48	Excello S.R.O.	1.2089× 10²⁴	RIPE NCC	ASSIGNED PI
2001:67c:15a0::/48	Excello S.R.O.	1.2089× 10²⁴	RIPE NCC	ASSIGNED PI
2001:67c:15a1::/48	Excello S.R.O.	1.2089× 10²⁴	RIPE NCC	ASSIGNED PI
2a01:6400::/32	Wia Spol. S.R.O.	7.9228× 10²⁸	RIPE NCC	ALLOCATED-BY-RIR
2a14:a480::/48	Funfirst S.R.O.	1.2089× 10²⁴	RIPE NCC	ALLOCATED-BY-RIR

AS21430 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

AS1764 AS4455 AS5405 AS6424 AS6939 AS7713 AS8218 AS20562 AS22356 AS24482 AS28917 AS29504 AS32590 AS35369 AS37721 AS39120 AS40994 AS41327 AS49544 AS50629 AS51184 AS51185 AS59890 AS60068 AS212483 AS263444

AS21430 connects to the global Internet via at least 5 upstream providers. In this setup, AS21430 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS174 AS1299 AS3491 AS39392 AS47200

AS21430 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21430's role in extending Internet access beyond its own infrastructure.

AS15614 AS33943 AS39761 AS42189 AS48451 AS199220 AS203376 AS209369

AS21430

Wia Spol. S.R.O. — wia.cz

Summary

IP Ranges

Peers

Upstreams

Downstreams