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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
	27.0.16.0/20	GLBB Japan KK
	27.0.31.0/24	GLBB JAPAN K.K.
	43.248.160.0/22	GLBB Japan KK
	103.7.88.0/22	GLBB Japan KK
	103.13.248.0/22	GLBB Japan KK
	103.100.189.0/24	GLBB Japan KK
	103.100.190.0/23	GLBB Japan KK
	103.250.92.0/22	GLBB Japan KK
	103.250.92.0/24	GLBB Japan KK
	103.250.93.0/24	GLBB Japan KK
	109.236.0.0/20	GLBB Japan KK
	123.100.136.0/22	GLBB Japan KK
	123.100.156.0/22	GLBB Japan KK
	137.220.16.0/20	GLBB Japan KK
	180.131.208.0/20	GLBB Japan KK
	180.131.210.0/24	GLBB JAPAN K.K.
	180.131.224.0/20	GLBB Japan KK
	180.131.240.0/20	Allied Telesis Capital Corporation
	198.144.128.0/20	GLBB Japan KK
	202.12.244.0/22	GLBB Japan KK
	202.12.246.0/24	GLBB Japan KK
	202.171.224.0/22	GLBB Japan KK
	202.171.224.0/21	GLBB Japan KK
	203.23.200.0/22	GLBB Japan KK
	218.223.128.0/21	FAMILYNET JAPAN CORPORATION
	218.223.128.0/22	FAMILYNET JAPAN CORPORATION
	218.223.132.0/22	FAMILYNET JAPAN CORPORATION
	2404:2d00::/32	Japan Network Information Center

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS2914	NTT America, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS146986	SUZUYO SHINWART CORPORATION	✔	✔
	AS2497	Internet Initiative Japan Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS3786	LG DACOM Corporation	✔	✘
	AS8220	COLT	✔	✔
	AS131951	Suzuyo Shinwart Corporation	✔	✔
	AS24277	Okinawa Cable Network Inc.	✔	✔
	AS135607	Infinivan Incorporated	✘	✔
	AS45679	Tatsumi, Tomo	✔	✔
	AS9304	HGC Global Communications Limited	✔	✘
	AS4775	Globe Telecoms	✔	✔
	AS703	Verizon Business - APAC	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS150369	TelHi Corporation	✔	✔
	AS55899	irob Ltd.	✔	✔
	AS9824	JCOM Co., Ltd.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS20473	The Constant Company, LLC	✔	✘
	AS10310	Yahoo Holdings Inc.	✔	✔
	AS53596	Cboe	✔	✘
	AS59105	Home NOC Operators Group	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS10013	FreeBit Co.,Ltd.	✔	✔
	AS20940	Akamai International B.V.	✔	✔
	AS9002	RETN Limited	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✔
	AS3258	xTom Japan	✔	✘
	AS2519	ARTERIA Networks Corporation	✔	✔
	AS16509	Amazon.com, Inc.	✔	✔
	AS4785	xTom	✔	✘
	AS2514	NTT PC Communications, Inc.	✔	✔
	AS1828	Unitas Global	✔	✔
	AS9507	NextHop Pty Ltd	✔	✘
	AS15169	Google LLC	✔	✔
	AS18092	Kyushu Tele Communications Company	✔	✘
	AS2907	Science Information Network	✔	✔
	AS7671	NTT SmartConnect Corporation	✔	✔
	AS55391	INTERNET MULTIFEED CO.	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS138997	Eons Data Communications Limited	✔	✘
	AS8075	Microsoft Corporation	✔	✔
	AS54113	Fastly, Inc.	✔	✔
	AS24482	SG.GS	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS9009	M247 Europe SRL	✔	✘
	AS31898	Oracle Cloud	✔	✘
	AS19551	Incapsula Inc	✔	✘
	AS2515	Japan Network Information Center	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS4694	IDC Frontier Inc.	✔	✘
	AS57976	Blizzard Entertainment, Inc	✔	✔
	AS38195	Superloop	✔	✔
	AS2518	BIGLOBE Inc.	✔	✔
	AS140627	OneQode	✔	✘
	AS7522	STNet, Incorporated	✔	✘
	AS58791	GMO Internet Group, Inc.	✔	✘
	AS30058	FDCservers.net	✔	✘
	AS55381	CITY-CABLE SHUNAN Corporation	✔	✘
	AS24259	kanuma cable television Corporation	✔	✘
	AS396356	Latitude.sh	✔	✘
	AS9595	NTT-ME Corporation	✔	✘
	AS134835	Starry Network Limited	✘	✔
	AS35280	F5 Networks SARL	✔	✘
	AS9886	CTCSCI TECH LIMITED	✔	✘
	AS33353	Sony Interactive Entertainment LLC	✔	✔
	AS7668	Hokuriku Telecommunication Network Co.	✔	✘
	AS139341	WeChat/QQ CDN	✔	✘
	AS24572	Yahoo Japan	✔	✔
	AS18264	Seikei Eizo Network Inc.	✔	✘
	AS32934	Facebook, Inc.	✔	✔
	AS16276	OVH SAS	✔	✔
	AS18077	Yamaguchi Cable Vision Co.,Ltd	✔	✘
	AS2906	Netflix Streaming Services Inc.	✔	✘
	AS7679	QTnet,Inc.	✔	✔
	AS63399	Dialpad, Inc.	✔	✘
	AS18150	NetComBB Co.,Ltd.	✔	✘
	AS13150	CATO NETWORKS LTD	✔	✘
	AS36351	IBM Cloud	✔	✔
	AS21859	Zenlayer Inc	✔	✘
	AS2527	Sony Network Communications Inc.	✔	✔
	AS45102	Alibaba (US) Technology Co., Ltd.	✔	✘
	AS131973	J-Stream Inc.	✔	✘
	AS23816	Yahoo Japan Corporation	✔	✘
	AS17955	Densan Co., Ltd.	✘	✔
	AS396986	Bytedance, Inc. (TikTok)	✔	✘
	AS24429	Alibaba Cloud	✔	✘
	AS714	Apple Inc.	✔	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS146986	SUZUYO SHINWART CORPORATION	✔	✔
	AS63774	Kamoike.net LLP	✔	✔
	AS24277	Okinawa Cable Network Inc.	✔	✔
	AS131951	Suzuyo Shinwart Corporation	✔	✔
	AS135607	Infinivan Incorporated	✘	✔
	AS45679	Tatsumi, Tomo	✔	✔
	AS55899	irob Ltd.	✔	✔
	AS53596	Cboe	✔	✘

[ 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]                  55900
b. [AS Name]                    GLBB-JP
g. [Organization]               GLBB Japan KK
m. [Administrative Contact]     GJ194JP
n. [Technical Contact]          GJ194JP
q. [Abuse]                      
o. [IMPORT]                     from AS17676 100 accept ANY
o. [IMPORT]                     from AS4713 100 accept ANY
o. [IMPORT]                     from AS2516 100 accept ANY
p. [EXPORT]                     to AS17676 announce AS55900
p. [EXPORT]                     to AS4713 announce AS55900
p. [EXPORT]                     to AS2516 announce AS55900
[Assigned Date]                 2011/11/29
[Last Update]                   2013/08/26 19:56:10(JST)

Last Update: 2025-02-11T10:47:19Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ocn-v6	204
RADB	as-any2-rs	247
JPIRR	as-ocn	2
RADB	as-ocn	2
JPIRR	as-ocn-v6	204
JPIRR	as-iij6	4101
ARIN	as1239:as-customers	4238
JPIRR	as-iij	4729
RIPE	as-transroute-spec	19683
NTTCOM	as-ocn	2
APNIC	as-set-136769	1
APNIC	as137912:as-customers	3
LEVEL3	as-lumen-customers-asns	10695
NTTCOM	as-ocn-v6	204
RADB	as-iij6	4101
RADB	as-glbb-transit	209
RADB	as-iij	4729
NTTCOM	as-fbdc	14
JPIRR	as-fbdc	14