HomeASN LookupAS8508

AS8508

🇵🇱

SILWEB-AS-EDU Silesian University of Technology, Computer CentreORG-CSUo1-RIPE

SILWEB Autonomous System - Academic

RIPENCCallocated
Announced Prefixes (BGP)
19total
15 IPv44 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)137,728
Announced (BGP)166,400
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)5.5×10^29
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
20
Country
🇵🇱 PL
RIR
RIPENCC
Status
allocated
Allocated
10/13/1997

Announced Prefixes

(BGP)19
|
Prefix
RPKI
IRR
Last Seen
83.230.64.0/20
 Valid
RIPE
5/25/2026
83.230.64.0/21
 Valid
RIPE
5/25/2026
83.230.96.0/19
 Valid
RIPE
5/25/2026
83.230.99.0/24
 Valid
RIPE
5/25/2026
83.230.110.0/24
 Valid
RIPE
5/25/2026
83.230.118.0/23
 Valid
RIPE
5/25/2026
91.220.103.0/24
 Valid
RIPE
5/25/2026
155.158.0.0/16
 Valid
RIPE
5/25/2026
157.158.0.0/16
 Valid
RIPE
5/25/2026
212.106.176.0/20
 Valid
RIPE
5/25/2026
1–10 of 19
1 / 2

Allocated Prefixes

(RIR)10
Prefix
Country
RIR
Status
83.230.64.0/21🇵🇱 PLRIPEassigned
83.230.99.0/24🇵🇱 PLRIPEassigned
83.230.110.0/24🇵🇱 PLRIPEassigned
83.230.118.0/23🇵🇱 PLRIPEassigned
91.220.103.0/24🇵🇱 PLRIPENCCassigned
155.158.0.0/16🇵🇱 PLRIPENCCassigned
157.158.0.0/16🇵🇱 PLRIPENCCassigned
212.106.183.0/24🇵🇱 PLRIPEassigned
212.106.184.0/22🇵🇱 PLRIPEassigned
213.227.88.0/21🇵🇱 PLRIPEassigned
ASPA
No ASPA
Abuse Contact
+31205354444
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/8508

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/8508" | jq