AS208653 — SI-ASN SIGNAL IDUNA Krankenversicherung a.G.

AS208653 announces 1 IPv4 prefixes covering 1,024 addresses and 1 IPv6 prefixes.

About this network

The AS handle SI-ASN is held by Signal Iduna Krankenversicherung a.G.

What it's used for

• The address space carries corporate infrastructure for a German health insurance provider, evidenced by the netname DE-SIGNAL-20190410 and registrant Network Department SIGNAL IDUNA.
• The network announces 1024 IPv4 addresses and 1 IPv6 prefix, with only 2 observed neighbours, indicating a small, self-contained internal corporate estate rather than a transit or access network.
• Traffic from this AS consists of internal corporate communications, web/API endpoints, and administrative systems for the insurance group's operations.

Notable

• The registrant Network Department SIGNAL IDUNA aligns directly with the AS holder SIGNAL IDUNA Krankenversicherung a.G., confirming consistent ownership.
• The address inventory is compact, consisting of a single /22 IPv4 block and a /32 IPv6 prefix, typical for a large enterprise managing its own network resources.

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

Announced prefixes

• 5.183.136.0/22
• 2a0e:dc00::/32

Upstream networks

• AS6805 Telefonica Germany GmbH & Co.OHG
• AS3320 Deutsche Telekom AG

Adjacent networks

• AS6805 Telefonica Germany GmbH & Co.OHG
• AS3320 Deutsche Telekom AG

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-TDDE, AS-UDOS, AS3320:AS-DTAG, AS3320:AS-DTAG-V6.