AS57137 sievers-snc SIEVERS-SNC Beteiligungs GmbH

sievers-snc SIEVERS-SNC Beteiligungs GmbH · registered in Germany

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Germany#1,171largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#30,269of 79,396 networks with IPv4

IPv61 x /32 (65,539 x /48)4 prefixes

CountryGermany2,599 ASNs registered there

Open AS57137 in ASN lookup Look up an IP in this network (45.129.148.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

45.129.148.0/22

IPv6 prefixes

All 4 prefixes.

2a0e:4c41::/32
2a0e:4c47:421::/48
2a0e:4c47:4210::/48
2a0e:4c47:ffff::/48

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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