AS20886 DE-IORG-AS-1 bn:t Blatzheim Networks Telecom GmbH

DE-IORG-AS-1 bn:t Blatzheim Networks Telecom GmbH · registered in Germany

IPv4 addresses17,4084 prefixes · <0.001% of announced IPv4

Rank in Germany#258largest network in DE by IPv4 space, of 2,315 · 0.02% of DE

Rank worldwide#6,627of 79,396 networks with IPv4

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

CountryGermany2,599 ASNs registered there

Open AS20886 in ASN lookup Look up an IP in this network (80.90.144.1) All networks in Germany

IPv4 prefixes

All 4 prefixes, in address order.

80.90.144.0/20
89.21.32.0/19
185.209.236.0/22
217.76.96.0/20

IPv6 prefixes

All 1 prefix.

2a02:b30::/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