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ASN Lookup Tool
AS8508 SILWEB-AS-EDU

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS8508
Organisation
Silesian University of Technology, Computer Cent..
Name
SILWEB-AS-EDU
Total IPv4 Addresses
158,983
Total IPv4 Prefixes
26
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,280 out of 77,680
Registry
Ripe
Registered Country
PL flag PL
Registered Country Name
Poland
Registered Date
1970-01-01
Registration Last Change
2019-12-04
Receiving From

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

ASN
Organisation
AS3303
CH flagSwisscom (Schweiz) AG
AS39120
IT flagConvergenze S.p.A.
AS15744
PL flagSilesian University of Technology, Computer Cent..
AS29535
PL flagOrange Polska Spolka Akcyjna
AS8501
PL flagInstitute of Bioorganic Chemistry Polish Academy..
Showing 5 of 6
IPv4 Active Prefixes

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

Prefix83.230.64.0/21
Range From83.230.64.0
Range To83.230.71.255
Prefix83.230.72.0/21
Range From83.230.72.0
Range To83.230.79.255
Prefix83.230.96.0/21
Range From83.230.96.0
Range To83.230.103.255
Prefix83.230.104.0/22
Range From83.230.104.0
Range To83.230.107.255
Prefix83.230.108.0/23
Range From83.230.108.0
Range To83.230.109.255
Showing 5 of 26
IPv6 Active Prefixes
Prefix2a01:1d8::/30
Range From2a01:1d8::
Range To2a01:1db:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a01:1dc::/32
Range From2a01:1dc::
Range To2a01:1dc:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a01:1dd::/32
Range From2a01:1dd::
Range To2a01:1dd:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2a01:1de::/32
Range From2a01:1de::
Range To2a01:1de:ffff:ffff:ffff:ffff:ffff:ffff
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.