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	Prefix	Description
	103.139.106.0/24	dual&Co. Inc.
	2404:e040:c000::/34	dual&Co. Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS17675	PacketFabric (Japan) Co., Ltd.	✔	✔
	AS9607	BroadBand Tower, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS55911	kazukichi	✔	✔
	AS17675	PacketFabric (Japan) Co., Ltd.	✔	✔
	AS9607	BroadBand Tower, Inc.	✔	✔
	AS63771	Border Gateway Protocol Network Analysis Project	✔	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS55911	kazukichi	✔	✔
	AS63771	Border Gateway Protocol Network Analysis Project	✔	✔

[ 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]                  63780
b. [AS Name]                    BIRDIE-NET
g. [Organization]               dual&Co. Inc.
m. [Administrative Contact]     JP00150055
n. [Technical Contact]          JP00150055
q. [Abuse]                      
o. [IMPORT]                     from AS17675 100 accept ANY
o. [IMPORT]                     from AS63773 100 accept ANY
p. [EXPORT]                     to AS17675 announce AS63780
p. [EXPORT]                     to AS63773 announce AS63780
[Assigned Date]                 2019/12/03
[Last Update]                   2019/12/03 13:21:30(JST)

Last Update: 2026-06-07T03:40:51Z UTC

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Member of the following AS-SETs

-	Member
RADB	as2497:as-iij
RADB	as-telstra-intl-customers
RADB	as-kddcustomer2
JPIRR	as-iij
JPIRR	as2497:as-iij
LEVEL3	as-lumen-customers-asns
RADB	as-kdd
RADB	as-hurricanev6
RADB	as-iij
JPIRR	as-iij6
RADB	as2497:as-iij6
JPIRR	as-bbix-t-v6
RADB	as-gigainfra-v6
JPIRR	as2497:as-iij6
RADB	as-iij6
JPIRR	as-gigainfra
RADB	as-pnaptok
JPIRR	as-mcnet
RADB	as-gigainfra
RADB	as-gctr-jp
JPIRR	as-bbix-t
RADB	as-bbix-t
JPIRR	as-gigainfra-v6
NTTCOM	as-mcnet
RADB	as-kddi6
RADB	as-bbix-t-v6