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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
#2,761 out of 79,056
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2010-12-08
Registration Last Change
2018-09-04
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

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

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

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

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

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