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
	202.13.192.0/19	National Laboratory for High Energy Physics (KEK)
	130.87.0.0/16	National Laboratory for High Energy Physics (KEK)
	192.153.112.0/24	National Laboratory for High Energy Physics (KEK)
	192.153.114.0/24	National Laboratory for High Energy Physics (KEK)

---

Network Policy

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

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
	AS2907	Science Information Network	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS2907	Science Information Network	✔	✘

[ 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]                  2505
b. [AS Name]                    HEPNET-J
g. [Organization]               High Energy Accelerator Research Organization, KEK
m. [Administrative Contact]     SS116JP
n. [Technical Contact]          SS116JP
q. [Abuse]                      
o. [IMPORT]                     
p. [EXPORT]                     
[Assigned Date]                 
[Last Update]                   2021/05/17 13:23:03(JST)

Last Update: 2025-07-10T00:13:18Z UTC / (Click here to force a refresh)

---

Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-level3-origins-na	0
RADB	as-kdddmpeer	192
JPIRR	as-63770	22
ARIN	as293:as-from-transpac-to-esnet	532
JPIRR	as-18127	22
JPIRR	as-59120	22
JPIRR	as2907:as-sinet	150
JPIRR	as-36599	22
JPIRR	as-63781	22
RADB	as-iij	5284
JPIRR	as-59103	24
ARIN	as1239:as-customers	4238
JPIRR	as-63788	22
JPIRR	as-iij	5284
JPIRR	as-as151388	22
RADB	as-iij6	4655
JPIRR	as-iij6	4655
RIPE	as20965:as-from-tein-to-geant	656