AS8741 ratiokontakt ratiokontakt GmbH

ratiokontakt ratiokontakt GmbH · registered in Germany

IPv4 addresses73,7282 prefixes · 0.002% of announced IPv4

Rank in Germany#80largest network in DE by IPv4 space, of 2,315 · 0.07% of DE

Rank worldwide#2,334of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryGermany2,599 ASNs registered there

Open AS8741 in ASN lookup Look up an IP in this network (212.63.128.1) All networks in Germany

IPv4 prefixes

All 2 prefixes, in address order.

212.63.128.0/19
212.223.0.0/16

IPv6 prefixes

All 1 prefix.

2a02:708::/32

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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