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AS213731
AS213731 westfalen-informatik Westfalen-Informatik AG
westfalen-informatik Westfalen-Informatik AG · registered in Germany
IPv4 addresses 256 1 prefixes · <0.001% of announced IPv4
Rank in Germany #1,801 largest network in DE by IPv4 space, of 2,315 · <0.01% of DE
Rank worldwide #58,973 of 79,396 networks with IPv4
IPv6 8 x /32 (524,288 x /48) 1 prefixes
Country Germany 2,599 ASNs registered there
IPv4 prefixes
All 1 prefix, in address order.
IPv6 prefixes
All 1 prefix.
Similar-sized networks in Germany
ASN Name IPv4 addresses
AS212739 #1798 de_energie_ziegler Energie Ziegler GmbH256
AS213300 #1799 accompio-smartec-AS accompio SmarTec GmbH"256
AS213425 #1800 noscito noscito network GmbH256
AS218476 #1804 Reiner-IT-AS Reiner IT-Systems GmbH256
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