AS12581 TOPSNET tops.net GmbH & Co. KG

TOPSNET tops.net GmbH & Co. KG · registered in Germany

IPv4 addresses9,7284 prefixes · <0.001% of announced IPv4

Rank in Germany#359largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#9,203of 79,396 networks with IPv4

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

CountryGermany2,599 ASNs registered there

Open AS12581 in ASN lookup Look up an IP in this network (91.213.177.1) All networks in Germany

IPv4 prefixes

All 4 prefixes, in address order.

91.213.177.0/24
185.27.252.0/22
193.138.88.0/24
212.79.160.0/19

IPv6 prefixes

All 2 prefixes.

2001:67c:434::/48
2a00:c940::/32

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AS39090#361 BRANDL Brandl Services GmbH9,472

AS15580#362 Allianz Technology SE9,472

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