AS51424 — ASAGNET Jiri Sperl

AS51424 announces 4 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

ASAGNET is operated by Jiri Sperl.

What it's used for

• The address space carries residential user traffic, evidenced by reverse DNS entries such as user5130.agnet.cz and user5384.agnet.cz within the 91.218.232.0/22 block.
• The network announces 1792 IPv4 addresses across 4 prefixes and maintains only 2 observed neighbours, a ratio characteristic of a small access or eyeball network rather than a transit provider.
• Traffic from this AS consists of subscriber internet access for end-users in Czechia, consistent with the "user" naming convention in the reverse DNS records.

Notable

• Registrant data for the 91.218.232.0/22 prefix lists Jiri Sperl with netname AGNET-NETWORK, while the three /24 prefixes (212.4.132.0/24, 212.96.184.0/24, 213.211.36.0/24) list Abuse-C Role with netname SPERLNET-CZ.
• The inventory is composed of one /22 block and three separate /24 blocks, all located in Czechia.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 91.218.232.0/22
• 212.4.132.0/24
• 212.96.184.0/24
• 213.211.36.0/24

Upstream networks

• AS204064 CEZNET s.r.o.
• AS12570 O2 Czech Republic, a.s.

Adjacent networks

• AS204064 CEZNET s.r.o.
• AS12570 O2 Czech Republic, a.s.

Routing security

• RPKI: 6 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-CZECHBONE, AS-DIALTELECOM, AS-ISPALLIANCE-CZ, AS12570:AS-CUSTOMERS.