View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	203.119.1.0/24	Japan Registry Service Co.,Ltd.
	2001:dc4::/32	Japan Network Information Center

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy elastic_galois Policy inspiring_shannon

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS17676	SoftBank Corp.	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS24252	Japan Registry Service Co., Ltd.	✔	✔
	AS17676	SoftBank Corp.	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS8220	COLT	✔	✔
	AS1828	Unitas Global	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS2907	Science Information Network	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS2518	BIGLOBE Inc.	✔	✘
	AS9607	BroadBand Tower, Inc.	✔	✘
	AS138997	Eons Data Communications Limited	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS15169	Google LLC	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS24252	Japan Registry Service Co., Ltd.	✔	✔

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Autonomous System Information:
a. [AS Number]                  23774
b. [AS Name]                    A-DNS-JP
g. [Organization]               Japan Registry Service Co., Ltd.
m. [Administrative Contact]     TM8767JP
n. [Technical Contact]          TS42534JP
n. [Technical Contact]          YA14981JP
q. [Abuse]                      
o. [IMPORT]                     from AS18149 100 accept ANY
o. [IMPORT]                     from AS2515 100 accept ANY
p. [EXPORT]                     to AS18149 announce AS23774
p. [EXPORT]                     to AS2515 announce AS23774
[Assigned Date]                 2003/07/15
[Last Update]                   2015/02/12 20:02:06(JST)

Last Update: 2024-03-07T12:00:44Z UTC / (Click here to force a refresh)

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-iij6	4885
NTTCOM	as-a-dns-jp	1
LEVEL3	as-level3-origins-na	0
NTTCOM	as-jprs	4
JPIRR	as-iij	5527
RADB	as-kddi6	835
RADB	as-kdd	1157
JPIRR	as-gigainfra	1295
NTTCOM	as-18149arcstar	4
JPIRR	as-gigainfra-v6	861
RADB	as-2500-2914	33
RADB	as-gigainfra	1295
JPIRR	as-iij6	4885
RADB	as-hurricanev6	20736
RADB	as-iij	5527
RADB	as-gigainfra-v6	861
NTTCOM	as-jprs-us	2
NTTCOM	as2914:as-64600-v6	42695
JPIRR	as-jprs	4