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ASN Lookup Tool
AS28949 TUSNET-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS28949
Organisation
Technical University of Sofia
Name
TUSNET-AS
Total IPv4 Addresses
4,096
Total IPv4 Prefixes
16
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#15,874 out of 79,229
Registry
Ripe
Registered Country
BG flagBG
Registered Country Name
Bulgaria
Registered Date
2003-04-16
Registration Last Change
2025-12-23
Receiving From
ASN
Organisation
AS8717
BG flagA1 Bulgaria EAD
AS6802
BG flagBulgarian Research and Education Network Associa..
IPv4 Active Prefixes
PrefixRange FromRange To
81.161.240.0/2481.161.240.081.161.240.255
81.161.241.0/2481.161.241.081.161.241.255
81.161.242.0/2481.161.242.081.161.242.255
81.161.243.0/2481.161.243.081.161.243.255
81.161.244.0/2481.161.244.081.161.244.255
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