AS206551 BUTTER Thomas Butter

BUTTER Thomas Butter · registered in Germany

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

Rank in Germany#1,175largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#30,291of 79,396 networks with IPv4

IPv61 x /32 (65,537 x /48)2 prefixes

CountryGermany2,599 ASNs registered there

Open AS206551 in ASN lookup Look up an IP in this network (45.90.64.1) All networks in Germany

IPv4 prefixes

All 1 prefix, in address order.

45.90.64.0/22

IPv6 prefixes

All 2 prefixes.

2a06:e881:110::/48
2a0c:ab80::/32

Similar-sized networks in Germany

ASNNameIPv4 addresses

AS208135#1172 fluepke-net Carl Fabian Luepke1,024

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AS13115#1176 HOME-OF-THE-BRAVE Home of the Brave Internet Technology Based Solutions GmbH1,024

AS35677#1177 BUNDESBANK Deutsche Bundesbank1,024

AS47138#1178 PLANINTERNET-EU PLANinterNET GmbH1,024

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