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
	129.60.0.0/16	Nippon Telegraph and Telephone Corporation
	129.60.0.0/17	Nippon Telegraph and Telephone Corporation
	129.60.128.0/17	Nippon Telegraph and Telephone Corporation
	192.68.235.0/24	Nippon Telegraph and Telephone Corporation
	192.68.236.0/23	Nippon Telegraph and Telephone Corporation
	192.68.238.0/24	Nippon Telegraph and Telephone Corporation
	192.68.239.0/24	Nippon Telegraph and Telephone Corporation
	192.68.240.0/24	Nippon Telegraph and Telephone Corporation
	192.68.240.0/23	Nippon Telegraph and Telephone Corporation
	192.68.241.0/24	Nippon Telegraph and Telephone Corporation
	192.68.242.0/24	Nippon Telegraph and Telephone Corporation
	192.68.243.0/24	Nippon Telegraph and Telephone Corporation
	192.68.244.0/24	Nippon Telegraph and Telephone Corporation
	192.68.245.0/24	Nippon Telegraph and Telephone Corporation
	192.68.246.0/24	Nippon Telegraph and Telephone Corporation
	192.68.246.0/23	Nippon Telegraph and Telephone Corporation
	192.68.247.0/24	Nippon Telegraph and Telephone Corporation
	192.68.248.0/24	Nippon Telegraph and Telephone Corporation
	192.68.249.0/24	Nippon Telegraph and Telephone Corporation
	192.68.236.0/24	Nippon Telegraph and Telephone Corporation
	192.68.237.0/24	Nippon Telegraph and Telephone Corporation
	2001:df0:45::/48	NTT Loboratorie's Official Network, Telecom Carrier L...

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy friendly_elgamal Policy youthful_buck Policy zealous_shtern Policy hungry_burnell Policy nervous_ritchie Policy ecstatic_torvalds

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
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2907	Science Information Network	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS2907	Science Information Network	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS9002	RETN Limited	✔	✘
	AS8966	Etisalat (E&)	✔	✘
	AS216211	CYBERVERSE LLC	✔	✘
	AS20485	TransTeleCom JSC	✔	✘
	AS150363	SoftEther Corporation	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS2635	Automattic, Inc	✔	✘
	AS8849	Melbikomas UAB	✔	✘
	AS24482	SG.GS	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS17686	ACCELIA	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS18526	DDPS Networks, LLC	✔	✘
	AS153371	BACK WAVES LIMITED	✔	✘
	AS215724	Edgevana, Inc.	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS140627	OneQode	✔	✘
	AS2515	Japan Network Information Center	✔	✘
	AS9370	SAKURA Internet Inc.	✔	✘

[ 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]                  37918
b. [AS Name]                    ECL-INET
g. [Organization]               NTT, Inc.
m. [Administrative Contact]     JP00084323
n. [Technical Contact]          JP00027990
q. [Abuse]                      
o. [IMPORT]                     from AS2914 100 accept ANY
o. [IMPORT]                     from AS2514 100 accept ANY
o. [IMPORT]                     from AS7521 100 accept ANY
p. [EXPORT]                     to AS2914 announce AS37918
p. [EXPORT]                     to AS2514 announce AS37918
p. [EXPORT]                     to AS7521 announce AS37918
[Assigned Date]                 2007/07/02
[Last Update]                   2025/12/19 16:53:06(JST)

Last Update: 2026-06-04T04:01:09Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as20965:as-from-tein-to-geant	656
JPIRR	as-iij	5201
RADB	as2497:as-iij6	4543
JPIRR	as2907:as-sinet	150
JPIRR	as2497:as-iij6	4543
RADB	as-iij	5201
RADB	as-iij6	4546
JPIRR	as2497:as-iij	5197
RADB	as2497:as-iij	5197
JPIRR	as-iij6	4546