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Data as of Nov 12, 2026

211.154.172.0/22

No anonymizer space · no proxy exits in 30 days

Beijing Dian-Xin-Tong Network Technologies Co., Ltd.

Announcement
211.154.168.0/21
RPKI valid
Announced by
AS17964
Type
Business
50% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
211.154.160.0/20
since Sep 2019
AS4847Residential

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
211.152.0.0 - 211.155.95.255221,184CNNICunknownALLOCATED PORTABLE—ipas@cnnic.cn
└ 211.154.160.0/204,096DRPBDDr.Peng BigData co.LTDALLOCATED PORTABLE—ipas@cnnic.cn
└ 211.154.172.0/221,024NBLnetBeiJing New-Billion Telecom Technology Co.,LtdALLOCATED NON-PORTABLE—ipas@cnnic.cn
└ 211.154.174.0/24256CENTEKNETCENTEKNET Access NetworkASSIGNED NON-PORTABLE—ipas@cnnic.cn
via NBLnet
└ 211.154.175.0/24256CENTEKNETCENTEKNET Access NetworkASSIGNED NON-PORTABLE—ipas@cnnic.cn
via NBLnet

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Business51250%2
Unknown51250%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

211.154.168.0/21

Routing history

Pattern
Stable
First seen
Mar 2016
Current origin since
Sep 2017 · 9.2 yr
Origin networks
1