Summary

Country
CZ Czechia
Organization Brno University of Technology
Domain vutbr.cz
Number of IPv4 67,584
Number of IPv6 1.6638× 1030
AS Type Education
Registry RIPE NCC
Allocated December 08, 2010 (about 14 years ago)
Updated September 04, 2018 (about 6 years ago)

IP Ranges

AS197451 announces 8 IPv4 ranges and 5 IPv6 ranges.

That's a total of 67,584 IPv4 addresses and 1.6638× 1030 IPv6 addresses.

Prefix Organization Size Registry Status
147.229.0.0/17
CZ Brno University of Technology
32,768 RIPE NCC ASSIGNED PA
147.229.128.0/18
CZ Brno University of Technology
16,384 RIPE NCC ASSIGNED PA
147.229.192.0/19
CZ Brno University of Technology
8,192 RIPE NCC ASSIGNED PA
147.229.224.0/19
CZ Brno University of Technology
8,192 RIPE NCC ASSIGNED PA
185.62.108.0/23
CZ Brno University of Technology
512 RIPE NCC ASSIGNED PA
185.149.204.0/22
CZ CZ-MCOMPUTERS-20160428
1,024 RIPE NCC ASSIGNED PA
185.149.204.0/24
CZ CZ-MCOMPUTERS-20160428
256 RIPE NCC ASSIGNED PA
185.149.205.0/24
CZ CZ-MCOMPUTERS-20160428
256 RIPE NCC ASSIGNED PA
Prefix Organization Size Registry Status
2001:67c:1220::/46
CZ Brno University of Technology
4.8357× 1024 RIPE NCC ASSIGNED PI
2a03:2e0::/29
CZ CIA
6.3383× 1029 RIPE NCC ASSIGNED
2a03:2e0::/32
CZ CIA
7.9228× 1028 RIPE NCC ASSIGNED
2a03:2e4::/30
CZ JIC
3.1691× 1029 RIPE NCC AGGREGATED-BY-LIR
2a07:6bc0::/29
CZ CZ-MCOMPUTERS-20160429
6.3383× 1029 RIPE NCC ASSIGNED

Peers

AS197451 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.

Upstreams

AS197451 connects to the global Internet via at least 3 upstream providers. In this setup, AS197451 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS197451 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS197451's role in extending Internet access beyond its own infrastructure.

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