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Data as of Nov 5, 2026

211.155.251.0/28

No anonymizer space · no proxy exits in 30 days

China Unicom Beijing Province Network

Announcement
211.155.248.0/21
No RPKI
Announced by
AS4808
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeRPKI
211.155.240.0/20
since Aug 2016
AS4808Residential

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
211.155.128.0/1732,768CNNICunknownALLOCATED PORTABLE—ipas@cnnic.cn
└ 211.155.240.0/204,096DXTNETBeijing Teletron Telecom Engineering Co., Ltd.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 211.155.248.0/212,048ZBTNETBeijing zhong bang Telecom Technology Co LtdALLOCATED PORTABLE—ipas@cnnic.cn
└ 211.155.251.0/2816ZHONG-TI-WANG-KE-JIBeijing Zhong-TI-Wang-KE-JI-FA-Zhan CO.LTDASSIGNED NON-PORTABLE—ipas@cnnic.cn
via ZBTNET

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

Network & registry

AnnouncementRouting historyWhois & abuse
Announced by

Covering announcement 211.155.248.0/21

Prefix
211.155.248.0/21
Announced by
AS4808 China Unicom Beijing Province Network
Type
Residential
RPKI
No RPKI
Netname
ZBTNET
Registrant
Beijing zhong bang Telecom Technology Co Ltd
RIR
APNIC
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
Range
211.155.128.0/17
Registration type
ALLOCATED PORTABLE
Origin network

AS4808

CN
Name
China Unicom Beijing Province Network
Type
Internet provider
Registered
Jan 9, 1996
Domain
chinaunicom.cn
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed