211.148.20.0/22 - bgp.tools

211.148.20.0/22

Originated by AS17428
AS Name: VNET Group, Inc.

Overview
Connectivity
Whois
Validation

Registered on: 22 Jun 2001 (24 years old)

Registered to: A9162E3D (apnic)

Prefix status: Active, Allocated under APNIC

Size of prefix: 4 /24's

Less Specific Announcements

	Prefix	Description
	211.148.0.0/18	China Network Information Center

Upstreams

AS4811 - China Telecom (Group)

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Upstreams

	ASN	Description
	AS4811	China Telecom (Group)

Peers

	ASN	Description
	AS24400	Shanghai Mobile Communications Co.,Ltd.
	AS10099	China Unicom Global
	AS4811	China Telecom (Group)

Last Update: 2025-07-15T03:23:33Z UTC

IRR Databases

IRR	Expected ASN
nttcom	AS17428	Show Raw route: 211.148.20.0/22 descr: 21Vianet IP Network origin: AS17428 mnt-by: MAINT-AS17428 changed: zhang.wenxu@21vianet.com 20160219 source: NTTCOM
radb	AS17428	Show Raw route: 211.148.20.0/22 origin: AS17428 descr: 21vianet.com Beijing 21Vianet Broad Band Data Center Co., Ltd No. 10 Jiuxianqiao East Road, Chaoyang District, Beijing mnt-by: MAINT-AS17428 changed: tian.bowen@21vianet.com 20201210 #08:26:03Z source: RADB last-modified: 2025-06-24T17:20:42Z
level3	AS4134	Show Raw route: 211.148.20.0/22 descr: Proxy-registered route object origin: AS4134 mnt-by: XINGXUNTECHLTD-MNT changed: irr@irr.irr 20240815 source: LEVEL3 last-modified: 2024-10-14T18:18:09Z

IRR

Expected ASN

nttcom

AS17428

Show Raw

route:          211.148.20.0/22
descr:          21Vianet IP Network
origin:         AS17428
mnt-by:         MAINT-AS17428
changed:        zhang.wenxu@21vianet.com 20160219
source:         NTTCOM

radb

AS17428

Show Raw

route:          211.148.20.0/22
origin:         AS17428
descr:          21vianet.com Beijing 21Vianet Broad Band Data Center Co., Ltd
                No. 10 Jiuxianqiao East Road, Chaoyang District, Beijing
mnt-by:         MAINT-AS17428
changed:        tian.bowen@21vianet.com 20201210  #08:26:03Z
source:         RADB
last-modified:  2025-06-24T17:20:42Z

level3

AS4134

Matches IRR source, but under a different ASN

Show Raw

route:          211.148.20.0/22
descr:          Proxy-registered route object
origin:         AS4134
mnt-by:         XINGXUNTECHLTD-MNT
changed:        irr@irr.irr 20240815
source:         LEVEL3
last-modified:  2024-10-14T18:18:09Z

View

Less Specific Announcements

Upstreams

Upstreams

Peers

IRR Databases