Summary

Country
CZ Czechia
Organization ISP Alliance A.S.
Domain ispalliance.cz
Number of IPv4 21,760
Number of IPv6 2.1441× 1030
AS Type ISP
Registry RIPE NCC
Allocated May 21, 2008 (about 17 years ago)
Updated March 13, 2022 (about 3 years ago)

IP Ranges

AS47232 announces 16 IPv4 ranges and 6 IPv6 ranges.

That's a total of 21,760 IPv4 addresses and 2.1441× 1030 IPv6 addresses.

Prefix Organization Size Registry Status
5.39.200.0/23
CZ Primenet.cz ISP S.R.O.
512 RIPE NCC ASSIGNED PA
46.29.224.0/21
CZ CC Internet S.R.O.
2,048 RIPE NCC ASSIGNED PA
78.111.112.0/20
CZ Grape SC,A.S.
4,096 RIPE NCC ASSIGNED PA
91.192.32.0/22
CZ ISP Alliance A.S.
1,024 RIPE NCC ASSIGNED PI
93.91.144.0/20
CZ Grape SC,A.S.
4,096 RIPE NCC ASSIGNED PA
94.140.25.0/24
CZ Helapc S.R.O.
256 RIPE NCC ALLOCATED PA
147.161.28.0/22
CZ WIA-CLOUD
1,024 RIPE NCC ASSIGNED PA
148.59.93.0/24
CZ Helapc S.R.O.
256 RIPE NCC ALLOCATED PA
185.15.108.0/22
CZ ITBUSINESS
1,024 RIPE NCC ASSIGNED PA
185.52.172.0/24
CZ ISP Alliance A.S.
256 RIPE NCC ASSIGNED PA
185.64.220.0/22
CZ Tlapnet S.R.O.
1,024 RIPE NCC ASSIGNED PA
185.151.171.0/24
CZ ISP Alliance
256 RIPE NCC ASSIGNED PA
193.107.160.0/22
CZ Maconet S. R. O.
1,024 RIPE NCC ASSIGNED PI
195.26.25.0/24
CZ Omcom S.R.O.
256 RIPE NCC ASSIGNED PI
213.108.162.0/23
CZ ISP Alliance A.S.
512 RIPE NCC ASSIGNED PI
217.75.208.0/20
CZ Grape SC,A.S.
4,096 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2a02:17a0::/29
CZ Grape SC,A.S.
6.3383× 1029 RIPE NCC AGGREGATED-BY-LIR
2a02:17a0:d000::/36
CZ ISP Alliance
4.9518× 1027 RIPE NCC ALLOCATED-BY-LIR
2a03:2a80::/29
CZ Ltnet.cz (ipv6)
6.3383× 1029 RIPE NCC ASSIGNED
2a03:2a82::/31
CZ ISP Alliance A.S.
1.5846× 1029 RIPE NCC ALLOCATED-BY-RIR
2a04:7bc0::/29
CZ Cernovicenet Ipv6
6.3383× 1029 RIPE NCC ALLOCATED-BY-LIR
2a04:7bc7::/32
CZ ISP Alliance
7.9228× 1028 RIPE NCC ALLOCATED-BY-LIR

Peers

AS47232 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.

Upstreams

AS47232 connects to the global Internet via at least 4 upstream providers. In this setup, AS47232 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS47232 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS47232's role in extending Internet access beyond its own infrastructure.

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