AS206075 HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt)

HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt) · registered in Germany

IPv4 addresses1,0244 prefixes · <0.001% of announced IPv4

Rank in Germany#1,170largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#30,237of 79,396 networks with IPv4

IPv62 x /32 (131,072 x /48)2 prefixes

CountryGermany2,599 ASNs registered there

Open AS206075 in ASN lookup Look up an IP in this network (31.41.249.1) All networks in Germany

IPv4 prefixes

All 4 prefixes, in address order.

31.41.249.0/24
91.218.20.0/24
188.239.191.0/24
193.36.132.0/24

IPv6 prefixes

All 2 prefixes.

2a07:e040::/32
2a07:e042::/32

Other ASNs named HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt)

1 other network uses the same organisation name; together with AS206075 they announce 2,304 IPv4 addresses.

ASNNameIPv4 addresses

AS215960HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt) DE1,280

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ASNNameIPv4 addresses

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AS212952#1169 SACHSENENERGIE-AS SachsenEnergie AG1,024

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AS208135#1172 fluepke-net Carl Fabian Luepke1,024

AS44404#1173 HAUFE Haufe-Lexware GmbH & Co. KG1,024

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