AS15465 SiemensDE Siemens AG

SiemensDE Siemens AG · registered in Germany

IPv4 addresses4,8648 prefixes · <0.001% of announced IPv4

Rank in Germany#542largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#13,959of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryGermany2,599 ASNs registered there

Open AS15465 in ASN lookup Look up an IP in this network (139.23.204.1) All networks in Germany

IPv4 prefixes

All 8 prefixes, in address order.

139.23.204.0/22
143.99.146.0/23
143.99.196.0/23
185.181.24.0/24
194.138.16.0/22
194.138.35.0/24
194.138.36.0/22
194.138.40.0/24

IPv6 prefixes

All 2 prefixes.

2a00:ad87:1300::/48
2a00:ad87:1302::/48

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AS203593#544 AS1-TeleMK TeleMark Telekommunikationsgesellschaft Mark mbH4,608

AS15725#545 IKS IKS Service GmbH4,608

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources