AS43503 HERBST-AS synaforce GmbH

HERBST-AS synaforce GmbH · registered in Germany

IPv4 addresses13,3126 prefixes · <0.001% of announced IPv4

Rank in Germany#309largest network in DE by IPv4 space, of 2,315 · 0.01% of DE

Rank worldwide#7,857of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryGermany2,599 ASNs registered there

Open AS43503 in ASN lookup Look up an IP in this network (46.30.80.1) All networks in Germany

IPv4 prefixes

All 6 prefixes, in address order.

46.30.80.0/21
46.226.112.0/21
81.16.48.0/20
83.137.96.0/21
91.203.200.0/22
109.234.120.0/21

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AS42366#308 TERRATRANSIT-AS TerraTransit AG13,312

AS42442#310 ADACOR-AS Adacor Hosting GmbH12,800

AS60824#311 Fraunhofer-Freiburg Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.12,800

AS47309#312 INFO-AS q.beyond AG12,544

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