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ASN Lookup Tool
AS197451 VUTBR-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS197451
Organisation
Brno University of Technology
Name
VUTBR-AS
Total IPv4 Addresses
66,816
Total IPv4 Prefixes
12
Total IPv6 Prefixes
5
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,758 out of 79,021
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2010-12-08
Registration Last Change
2018-09-04
Receiving From
ASN
Organisation
AS16019
CZ flagVodafone Czech Republic a.s.
AS2852
CZ flagCESNET z.s.p.o.
AS15935
CZ flagha-vel internet s.r.o.
Transit To
ASN
Organisation
AS34222
CZ flagZONER a.s.
AS207167
CZ flagmapnet IT services s.r.o.
AS204860
CZ flagNetX Networks a.s.
AS202872
CZ flagKME, spol. s r. o.
AS212138
CZ flagTechnicke site Brno, akciova spolecnost
Showing 5 of 8
IPv4 Active Prefixes
PrefixRange FromRange To
147.229.0.0/17147.229.0.0147.229.127.255
147.229.128.0/18147.229.128.0147.229.191.255
147.229.192.0/19147.229.192.0147.229.223.255
147.229.224.0/20147.229.224.0147.229.239.255
147.229.240.0/21147.229.240.0147.229.247.255
Showing 5 of 12
IPv6 Active Prefixes
PrefixRange FromRange To
2001:67c:1220::/472001:67c:1220::2001:67c:1221:ffff:ffff:ffff:ffff:ffff
2001:67c:1222::/482001:67c:1222::2001:67c:1222:ffff:ffff:ffff:ffff:ffff
2a03:2e0::/322a03:2e0::2a03:2e0:ffff:ffff:ffff:ffff:ffff:ffff
2a03:2e4::/302a03:2e4::2a03:2e7:ffff:ffff:ffff:ffff:ffff:ffff
2a07:6bc0::/292a07:6bc0::2a07:6bc7:ffff:ffff:ffff:ffff:ffff:ffff