AS201701 FFRL-AS Freifunk Rheinland e.V.

FFRL-AS Freifunk Rheinland e.V. · registered in Germany

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

Rank in Germany#1,165largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#30,195of 79,396 networks with IPv4

IPv64 x /32 (262,144 x /48)5 prefixes

CountryGermany2,599 ASNs registered there

Open AS201701 in ASN lookup Look up an IP in this network (185.66.192.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

185.66.192.0/22

IPv6 prefixes

All 5 prefixes.

2a03:2260::/34
2a03:2260:4000::/34
2a03:2260:8000::/33
2a03:2261::/32
2a03:2262::/31

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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