Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS8508

Announcement observedRIPE NCC

SILWEB-AS-EDU Silesian University of Technology, Computer Centre · SILWEB-AS-EDU

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/15/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS8508
Registration country: Poland
Name: SILWEB-AS-EDU Silesian University of Technology, Computer Centre
Abbreviation: SILWEB-AS-EDU
Registration date: 1/1/1970, 00:00:00
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
155.158.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
157.158.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
212.106.176.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
212.106.183.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
212.106.184.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
213.227.80.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
213.227.88.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
213.227.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.110.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.118.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.64.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.64.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.96.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
83.230.99.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
91.220.103.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: SILWEB-AS-EDU Silesian University of Technology, Computer Centre
RIR: RIPE NCC
Registration country: Poland
Registration date: 1/1/1970, 00:00:00
Abuse contact: abuse@silweb.pl

Snapshot trend

9/29/2026, 21:52:2915 v43 v68 Upstream · 3 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap · cha-la-bgp-observations