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ASN Lookup Tool
AS15744 SILWEB-AS-COM

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS15744
Organisation
Silesian University of Technology, Computer Cent..
Name
SILWEB-AS-COM
Total IPv4 Addresses
19,712
Total IPv4 Prefixes
15
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,520 out of 79,145
Registry
Ripe
Registered Country
PL flagPL
Registered Country Name
Poland
Registered Date
1970-01-01
Registration Last Change
2019-12-04
Receiving From
ASN
Organisation
AS3303
CH flagSwisscom (Schweiz) AG
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
AS24482
SG flagSG.GS
AS13293
PL flagInstitute of Bioorganic Chemistry Polish Academy..
Showing 5 of 6
Transit To
ASN
Organisation
AS8508
PL flagSilesian University of Technology, Computer Cent..
AS65533
WORLD flagPrivate Use AS
AS13000
PL flagLeon Sp. z o.o.
AS35434
PL flagPirxNet Grzegorz Bialas
AS50231
PL flagSyrion Sp. z o.o.
Showing 5 of 9
IPv4 Active Prefixes
PrefixRange FromRange To
83.230.52.0/2283.230.52.083.230.55.255
83.230.56.0/2183.230.56.083.230.63.255
83.230.80.0/2183.230.80.083.230.87.255
83.230.88.0/2283.230.88.083.230.91.255
83.230.92.0/2383.230.92.083.230.93.255
Showing 5 of 15
IPv6 Active Prefixes
PrefixRange FromRange To
2a01:1df::/322a01:1df::2a01:1df:ffff:ffff:ffff:ffff:ffff:ffff