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

日本的教育科研查看全部类型

排名	ASN	名称	IPv4 地址	IPv6 /48	前缀
1	AS2907	National Institute of Informatics	8,820,224	131,072	607
2	AS9355	National Institute of Information and Communications Technology	131,072	1	3
3	AS2500	WIDE Project	65,536	65,536	4
4	AS2523	JSPS 163rd Committee on Internet Technology	65,536	65,536	4
5	AS131159	Yamagata Univ	65,536	1	7
6	AS18125	MAFFIN	65,536	0	1
7	AS38639	NTT Communications (HANABI)	13,312	65,536	7
8	AS173	NTT Network Innovation Laboratories	8,704	0	2
9	AS45689	Convivial Net	8,192	1	3
10	AS4697	NTT NTLab	3,328	65,536	8
11	AS63771	BGPNAP	2,048	131,072	22
12	AS7530	Cloud and SDN Laboratory	2,048	65,536	4
13	AS131971	JPNIC-LAB	2,048	65,536	12
14	AS146979	University of Nagasaki	1,280	1	6
15	AS7660	APAN	1,024	8,448	4
16	AS131961	Dokkyo University	1,024	0	3
17	AS38074	SDCC OpenNetwork	768	32,769	5
18	AS55911	kazukichi	512	65,536	8
19	AS63781	Kobayashi Family Net	512	65,536	3
20	AS63790	CyberAgent, Inc. Internet seminer	512	65,536	2
21	AS152873	Neodyland	512	65,536	3
22	AS59098	Kuriyama Network	512	4,097	3
23	AS63806	MENHERA	512	514	6
24	AS152865	Linux Club	512	4	2
25	AS63785	FU-NTP	512	3	5
26	AS38656	Loutres	512	1	3
27	AS147035	CNTUG Infra Lab	512	1	2
28	AS945	MARU	512	0	2
29	AS151350	Q Enterprise Systems Ltd.(Education: Non-Commercial)	512	0	1
30	AS214675	Starlamp Network Project	256	4,679	15
31	AS152184	TAMUKAI NETWORK	256	264	10
32	AS4690	WIDE-vSIX Project	256	256	2
33	AS58790	SERVER-G TestBed TeamFelNull	256	8	6
34	AS59128	Kyoto University Microcomputer Club (KMC)	256	1	2
35	AS131895	Okinawa Institute of science and technology	256	1	2
36	AS146980	IOC	256	1	2
37	AS150685	Ching Kuo	256	1	2
38	AS38649	UEC-EXP	256	0	1
39	AS152874	JONET	256	0	1
40	AS201345	Shuma Watanabe	0	261	3
41	AS213471	IPPNOC	0	130	7
42	AS138181	HEXHU	0	2	2
43	AS140868	Shimane Data Center Club TestBed	0	2	2
44	AS138038	Wolf Network Lab Experimental	0	1	1
45	AS2499	IPv6 Promotion Council Japan	0	0	0
46	AS9363	FUJITSU NETWORK SOLUTIONS LIMITED	0	0	0
47	AS23811	University of Nagasaki (AS23811)	0	0	0
48	AS37984	Chikushi Jogakuen University, Non-transit AS.	0	0	0
49	AS38610	APNIC Research and Development	0	0	0
50	AS138632	Enmoe Network	0	0	0