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Less Specific Announcements

	Prefix	Description
	120.133.240.0/20	21ViaNet(China),Inc.
	120.133.0.0/16	21ViaNet(China),Inc.

Originators

	ASN	Description
	AS17428	VNET Group, Inc.
	AS18244	Stateline Internet Data Center Co., Ltd. Shanghai

How can a prefix have multiple ASNs?

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Chart Display Options

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Display paths to Route Servers

Display links using non straight lines

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS4812	China Telecom Shanghai Province Network

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Peers

	ASN	Description
	AS17621	China Unicom Shanghai network
	AS10099	China Unicom Global
	AS4812	China Telecom Shanghai Province Network

Last Update: 2025-07-19T03:22:56Z UTC

IRR Databases

IRR	Expected ASN
radb	AS17428	Show Raw route: 120.133.252.0/22 descr: Proxy-registered route object origin: AS17428 notify: matthew.chan@hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan@hgc.com.hk 20130722 source: RADB last-modified: 2023-11-13T15:45:32Z
level3	AS4134	Show Raw route: 120.133.252.0/22 descr: Proxy-registered route object origin: AS4134 mnt-by: XINGXUNTECHLTD-MNT changed: irr@irr.irr 20240815 source: LEVEL3 last-modified: 2024-10-14T18:18:06Z