AS17428 21Vianet.Co.,Ltd

21Vianet.Co.,Ltd

AS Number 17428
Website http://www.en.21vianet.com

Overview
Prefixes
Connectivity
Whois

Registered on: 19 Oct 2000 (22 years old)

Network status: Active, Allocated under APNIC

Network type: Unknown

Prefixes Announced: 33 IPv4, 3 IPv6

Upstreams

AS4812 - China Telecom (Group)
AS58466 - CHINANET Guangdong province network
AS2914 - NTT America, Inc.
AS17622 - China Unicom Guangzhou network
AS4847 - China Networks Inter-Exchange
AS4808 - China Unicom Beijing Province Network
AS9584 - Diyixian.com Limited
AS133111 - CERNET New Technology Co., Ltd

Rankings

#35 for AS Cone in China

#207 for Estimated Eyeballs in China

#144 for Unique Domains in China

#60 for Known Peers in China

Tags:

	Prefix	Description
	103.253.204.0/22	1802, CITIC Square, 1168 Nanjing Rd. (W), Shanghai
	118.30.0.0/16	21ViaNet(China),Inc.
	118.30.28.0/24	21ViaNet(China),Inc.
	118.30.29.0/24	21ViaNet(China),Inc.
	118.30.30.0/24	21ViaNet(China),Inc.
	120.132.128.0/24	21ViaNet(China),Inc.
	120.132.132.0/24	21ViaNet(China),Inc.
	120.132.133.0/24	21ViaNet(China),Inc.
	120.132.134.0/24	21ViaNet(China),Inc.
	120.132.135.0/24	21ViaNet(China),Inc.
	120.132.144.0/22	21ViaNet(China),Inc.
	120.132.148.0/24	Abitcool(China) Inc.
	120.132.176.0/24	21ViaNet(China),Inc.
	120.132.177.0/24	21ViaNet(China),Inc.
	120.132.178.0/24	21ViaNet(China),Inc.
	120.132.181.0/24	21ViaNet(China),Inc.
	120.132.185.0/24	21ViaNet(China),Inc.
	120.132.190.0/24	21ViaNet(China),Inc.
	120.132.224.0/23	21ViaNet(China),Inc.
	120.132.224.0/21	21ViaNet(China),Inc.
	120.132.226.0/23	21ViaNet(China),Inc.
	120.132.228.0/23	21ViaNet(China),Inc.
	120.132.230.0/23	21ViaNet(China),Inc.
	120.132.240.0/23	21ViaNet(China),Inc.
	120.133.240.0/20	21ViaNet(China),Inc.
	120.133.252.0/22	21ViaNet(China),Inc.
	211.148.17.0/24	21ViaNet(China),Inc.
	211.148.18.0/23	21ViaNet(China),Inc.
	211.148.20.0/22	21ViaNet(China),Inc.
	211.148.24.0/23	21ViaNet(China),Inc.
	211.148.27.0/24	21ViaNet(China),Inc.
	211.148.28.0/22	21ViaNet(China),Inc.
	211.151.207.0/24	21ViaNet(China),Inc.
	2403:a200::/32	21ViaNet(China),Inc.
	2403:a200:a100::/48	21ViaNet(China),Inc.
	2403:a200:a20f::/48	21ViaNet(China),Inc.

Peers: 12

Upstreams: 8

Downstreams: 1 (Cone: 2)

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS4812	China Telecom (Group)	✔	✔
AS58466	CHINANET Guangdong province network	✔	✘
AS2914	NTT America, Inc.	✔	✘
AS17622	China Unicom Guangzhou network	✔	✘
AS4847	China Networks Inter-Exchange	✘	✔
AS4808	China Unicom Beijing Province Network	✘	✔
AS9584	Diyixian.com Limited	✔	✘
AS133111	CERNET New Technology Co., Ltd	✘	✔

Peers

ASN	Description	IPv4	IPv6
AS4812	China Telecom (Group)	✔	✔
AS58466	CHINANET Guangdong province network	✔	✘
AS2914	NTT America, Inc.	✔	✘
AS17622	China Unicom Guangzhou network	✔	✘
AS4847	China Networks Inter-Exchange	✘	✔
AS9308	Abitcool(China) Inc.	✔	✘
AS133111	CERNET New Technology Co., Ltd	✘	✔
AS4808	China Unicom Beijing Province Network	✘	✔
AS24133	21vianet(China) Inc.	✔	✘
AS9584	Diyixian.com Limited	✔	✘
AS24400	Shanghai Mobile Communications Co.,Ltd.	✔	✔
AS56040	Guangdong Mobile communications corporation	✔	✔

Downstreams

	ASN	Description	IPv4	IPv6
	AS9308	Abitcool(China) Inc.	✔	✘

aut-num:        AS17428
as-name:        CHINA-ABITCOOL
descr:          21Vianet.Co.,Ltd
descr:          Beijing, China
country:        CN
import:         from AS4134 action pref=10; accept ANY
import:         from AS4847 action pref=10; accept ANY
import:         from AS4837 action pref=10; accept ANY
import:         from AS4808 action pref=10; accept ANY
import:         from AS9802 action pref=10; accept ANY
import:         from AS17428 action pref=10; accept ANY
import:         from AS18118 action pref=10; accept ANY
export:         to AS4134 announce AS17428
export:         to AS4847 announce AS17428
export:         to AS4837 announce AS17428
export:         to AS4808 announce AS17428
export:         to AS9802 announce AS17428
export:         to AS17428 announce AS17428
export:         to AS18118 announce AS-21VIANET
admin-c:        ML2382-AP
tech-c:         ML2382-AP
abuse-c:        AC1601-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CNNIC-CN
last-modified:  2021-06-16T01:28:28Z
source:         APNIC

Last Update: 2023-01-30T03:22:20Z UTC

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Network Policy

Prefixes in selected policy

Upstreams

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Downstreams