日本

按 RIR 注册登记在日本的 ASN，IPv4 地址数量全球第 3 位。

ASN: 1,306; 占全球 1.0%
有路由的 ASN: 744; 占本国 57.0%
IPv4 地址: 1.62 亿; 占全球 4.7%
IPv6 /48: 5.13 亿; 占全球 4.2%

路由数据 · 2026.10.19 18:21 UTC

网络类型构成按 ASN 数量

日本的骨干网络查看全部类型

排名	ASN	名称	IPv4 地址	IPv6 /48	前缀
1	AS17676	SoftBank Corp.	38,445,056	285,278,208	486
2	AS4713	NTT Communications Corporation (OCN)	28,624,640	67,239,937	188
3	AS2516	KDDI	18,072,832	42,139,649	570
4	AS17506	ARTERIA Networks Corporation (UCOM)	5,382,144	65,536	41
5	AS2497	Internet Initiative Japan	4,094,976	270,341	261
6	AS2527	Sony Network Communications	3,867,648	2,162,688	76
7	AS2518	BIGLOBE (AS2518)	3,670,016	589,824	35
8	AS2514	NTT PC Communications (InfoSphere)	2,078,976	196,608	472
9	AS10013	FreeBit Co,Ltd.	1,944,064	131,072	410
10	AS4725	Softbank Corp. (former Japan Telecom)	1,929,472	65,536	137
11	AS2510	Fujitsu Limited	1,591,296	65,536	61
12	AS9595	NTT-ME (XePhion,WAKWAK)	1,513,472	67,305,472	49
13	AS2519	ARTERIA Networks Corporation (Vectant)	1,464,832	1,572,864	184
14	AS7522	STNet, Incorporated	594,944	65,536	55
15	AS7687	TOYOTA SYSTEMS CORPORATION	200,960	0	211
16	AS10006	SECOM Trust Systems	146,176	2	57
17	AS7670	Enecom,Inc.	134,656	65,536	20
18	AS63802	MIKAKA-EAST	131,072	0	17
19	AS7516	TOHKnet	119,040	8,192	10
20	AS10021	Colt Technology Asia	110,848	65,537	49
21	AS9993	ITOCHU Techno-Solutions Corporation	91,136	65,536	10
22	AS4678	Canon IT Solutions Inc.	90,112	65,536	4
23	AS17514	Otsuka Corporation	83,968	65,536	68
24	AS9600	So-net Corporation (bit-drive)	82,944	65,536	16
25	AS9621	OTNet	76,800	65,536	15
26	AS55391	INTERNET MULTIFEED CO. Transix East	67,584	1,114,112	7
27	AS55392	INTERNET MULTIFEED CO. Transix West	67,584	1,114,112	7
28	AS131161	NEC Corporation	65,536	65,536	9
29	AS4711	Intec	54,272	65,536	21
30	AS55900	GLBB Japan	52,992	65,536	33
31	AS4677	Oki Electric Industry Co.,Ltd.	48,640	0	9
32	AS4680	Mitsubishi Electric Digital Innovation	47,104	65,536	27
33	AS4693	SCSK Corporation	45,056	65,536	8
34	AS7690	Mirai Communication Network inc.,	38,912	65,536	10
35	AS7682	HOTnet	35,840	65,536	7
36	AS18150	SNI	32,768	0	7
37	AS9607	BroadBand Tower	31,744	131,072	25
38	AS4675	UNIADEX, Ltd.	31,488	65,536	8
39	AS7668	HTCN	29,696	65,536	10
40	AS2915	OCX	25,600	65,536	9
41	AS135161	GMO Thailand	23,040	4,096	31
42	AS7505	Fujitsu Limited (former Fujitsu Systems Applications & Support Limited)	21,504	65,536	5
43	AS23777	NTT BUSINESS SOLUTIONS CORPORATIONS(VIPA)	20,992	65,536	23
44	AS17683	WINTECH Communications	17,408	65,536	5
45	AS24295	PacketFabric (Japan) Co., Ltd.	13,312	65,536	9
46	AS7529	NetIRD	10,752	65,536	10
47	AS24289	Kagawa Broad Network corp.	10,240	1	5
48	AS17689	Hokuden Information Technology	9,728	65,536	6
49	AS10015	Cyber Wave Japan Co.,Ltd.	6,400	0	3
50	AS23641	N.S Computer Service	6,144	65,536	3