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AS15894
AS15894 LEITWERK-AS LEITWERK AG
LEITWERK-AS LEITWERK AG · registered in Germany
IPv4 addresses 4,864 3 prefixes · <0.001% of announced IPv4
Rank in Germany #538 largest network in DE by IPv4 space, of 2,315 · <0.01% of DE
Rank worldwide #13,880 of 79,396 networks with IPv4
IPv6 1 x /32 (65,536 x /48) 17 prefixes
Country Germany 2,599 ASNs registered there
IPv4 prefixes
All 3 prefixes, in address order.
185.39.14.0/23 194.41.0.0/24 217.28.96.0/20
IPv6 prefixes
All 17 prefixes.
2001:67c:39c::/48 2a02:ba8::/33 2a02:ba8:8000::/35 2a02:ba8:a000::/40 2a02:ba8:a100::/42 2a02:ba8:a140::/46 2a02:ba8:a144::/47 2a02:ba8:a146::/48 2a02:ba8:a148::/45 2a02:ba8:a150::/44 2a02:ba8:a160::/43 2a02:ba8:a180::/41 2a02:ba8:a200::/39 2a02:ba8:a400::/38 2a02:ba8:a800::/37 2a02:ba8:b000::/36 2a02:ba8:c000::/34
Similar-sized networks in Germany
ASN Name IPv4 addresses
AS197549 #535 DE-TopColo GHOSTnet GmbH5,120
AS205042 #536 Felkatec FELKATEC Software GmbH & Co. KG5,120
AS35684 #537 SHC SHC Netzwerktechnik GmbH4,864
AS213305 #539 SIMSALASIMDE Simsalasim Germany GmbH4,864
AS20594 #540 MosaicDE-Atos Atos Information Technology GmbH4,864
AS50372 #541 PLANETARYNETWORKS Planetary Networks GmbH4,864
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