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AS10013
AS10013 FreeBit Co.,Ltd.
FBDC - FreeBit Co.,Ltd. · registered in Japan
IPv4 addresses 1,944,064 305 prefixes · 0.062% of announced IPv4
Rank in Japan #13 largest network in JP by IPv4 space, of 724 · 1.21% of JP
Rank worldwide #198 of 79,396 networks with IPv4
IPv6 2 x /32 (131,072 x /48) 18 prefixes
Country Japan 745 ASNs registered there
IPv6 prefixes
All 18 prefixes.
2001:2e8::/32 2001:3e0::/35 2001:3e0:2000::/36 2001:3e0:3000::/48 2001:3e0:3001::/48 2001:3e0:3002::/47 2001:3e0:3004::/46 2001:3e0:3008::/45 2001:3e0:3010::/44 2001:3e0:3020::/43 2001:3e0:3040::/42 2001:3e0:3080::/41 2001:3e0:3100::/40 2001:3e0:3200::/39 2001:3e0:3400::/38 2001:3e0:3800::/37 2001:3e0:4000::/34 2001:3e0:8000::/33
Similar-sized networks in Japan
ASN Name IPv4 addresses
AS17511 #10 OPTAGE - OPTAGE Inc.2,994,432
AS9605 #11 docomo - NTT DOCOMO, INC.2,536,448
AS2514 #12 InfoSphere - NTT PC Communications, Inc.2,078,976
AS4725 #14 ODN - SoftBank Corp.1,918,976
AS9595 #15 XEPHION - NTT-ME Corporation1,513,472
AS2510 #16 INFOWEB - FUJITSU LIMITED1,509,376
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