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Data as of Nov 6, 2026

203.196.0.0/21

No anonymizer space · no proxy exits in 30 days

IDC, China Telecommunications Corporation · space held by 21ViaNet(China),Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS23724
Type
Hosting
75% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
203.196.0.0/22
since Sep 2017
AS9308Hosting21ViaNet(China),Inc.
203.196.0.0/23
since Nov 6, 2026
AS9308Hosting21ViaNet(China),Inc.
203.196.5.0/24
since May 2005
AS4808Residential21ViaNet(China),Inc.
203.196.6.0/24
since May 2005
AS4808Residential21ViaNet(China),Inc.
203.196.7.0/24
since Dec 2015
AS4835Hosting21ViaNet(China),Inc.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.196.0.0/212,048CHINA-21VIANET21ViaNet(China),Inc.ALLOCATED PORTABLE—ipas@cnnic.cn
└ 203.196.0.0/221,024INTERCOM-CNProvide Internet access service,Internet Based TestingASSIGNED NON-PORTABLE—ipas@cnnic.cn
via CHINA-21VIANET
└ 203.196.0.0/24256INTERCOM-CNPrivide Internet Service in BeijingASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.17/321WWW-BOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.18/321GLOBAL-INTERCOM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.19/321CHINCOM-INETRCOM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.20/321WWW-HSK-OR-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.21/321WWW-FOUNDERCSI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.22/321WWW-PCPH-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.23/321BOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.24/321WWW-HUADI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.25/321WWW-TAINET-OR-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.26/321WWW-BWG-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.27/321WWW-ABS-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.28/321CHINCOM-COMvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.29/321JCRJ-BOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.30/321IG-BOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.31/321WWW-CMI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.32/321WWW-HWBJI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.33/321WWW-MCC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.34/321WWW-BITIC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.35/321WWW-FCGM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.36/321WWW-BJWALLY-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.37/321WWW-HIL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.38/321WWW-FCSB-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.39/321WWW-NSR-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.41/321WWW-BRITE-AC-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.42/321PG-INTERCOM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.43/321CYBERSYN-BOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.44/321ISO9000CHINA-COMvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.45/321WWW-EASTLAKE-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.46/321WWW-CHENGUANG-COMvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.47/321WWW-DHL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.48/321WWW-CSCEC1B-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.49/321WWW-BTMB-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.50/321WWW-OCM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.51/321WWW-SRIT-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.52/321WWW-CVSC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.53/321WWW-SPEBIJING-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.54/321WWW-CHEARI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.55/321WWW-NINETOWNS-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.56/321WWW-WM-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.57/321WWW-EEB-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.58/321WWW-HUIKAI-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.59/321WWW-CEIAEC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.60/321WWW-CSEBW-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.63/321WWW-TOL-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.64/321WWW-LIONGROUP-BJ-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.65/321PEIXUN-LINKEXCEL-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.66/321GKNI-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.68/321XLWYSH-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.69/321SHERATON-LINKEXCEL-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.70/321AIRCHINA-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.71/321CMCCAC-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.72/321LINYUN-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.73/321GALLUPCN-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.74/321LING-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.75/321SCHBEI-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.76/321BJA00403-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.77/321BRITETMB-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.78/321BUGM2113-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.79/321STEP-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.80/321NSR-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.81/321GDJYKI-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.82/321WALLY-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.83/321CHINCOM-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.84/321MAJOR-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.85/321COFTRANS-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.88/321SPEBJ-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.89/321DDSTUDIO-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.100/321CVSCZ-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.101/321LUCKYYAN-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.102/321HONESTY-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.103/321GOLDEN4D-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.104/321WINNER-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.105/321SPECHINA-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.106/321HISENSE-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.107/321CIECCIND-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.108/321YUNONG-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.109/321CAISTAR-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.110/321DISPLAY-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.111/321YXCB-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.112/321CHENNET-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.113/321CHENG-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.114/321YANXIN-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.115/321SKBJB-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.116/321CP5219IC-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.117/321BMERCIER-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.118/321SUPERWAR-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.119/321POWERINFO-CENPOK-COMfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.120/321MANTRACO-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.121/321YESHI-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.122/321HNHBFGS-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.123/321BEZNET-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.124/321CMIBJ-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.125/321KOBELCO-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.126/321CIE-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.127/321OSRBJ-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.128/321WANGLL-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.129/321CSCECINT-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.130/321CONSFIT-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.131/321BJSC-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.132/321TOTALMD-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.133/321VSAT-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.134/321CENLIFT-INTERCOM-CO-CNfixed ipASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.143/321WWW-XIONGYUE-ELEC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.144/321WWW-KDE-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.145/321WWW-LAMRC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.146/321WWW-CMIBJ-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.147/321WWW-FIRKO-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.148/321WWW-CDT-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.149/321WWW-ARTMCTC-CO-CNvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.0.150/321WWW-CEN-INTERLIFT-COMvirtual hostASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.0/23512INTERCOM-CNPrivide Internet Service in south of FuJian Provice inASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.0/24256XIAMMEN-INTERCOM-CNPrivide Internet Service in Xiamen, FuJian provice inASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.0/25128XIAMEN-INTERCOM-CNInternal use and dialupASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.128/2664XIAMEN-INTERCOM-CNvirtual host and fixed ip serviceASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.192/2732XIAMEN-INTERCOM-CNunknownASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.224/304XIAMEN-INTERCOM-CNwan linksASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.228/304XIAMEN-INTERCOM-CNwan linksASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.2.232/304XIAMEN-INTERCOM-CNwan linksASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.3.0/24256MINGNAN-INTERCOM-CNPrivide Internet Service in Quanzhou, Zhangzhou andASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.3.0/2664MINGNAN-INTERCOM-CNQuan Zhou POP station Internal use and dialupASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.3.64/2664MINGNAN-INTERCOM-CNZhang Zhou POP station Internal use and dialupASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.3.128/2664MINGNAN-INTERCOM-CNShi Si POP station Internal use and dialupASSIGNED NON-PORTABLE—ipas@cnnic.cn
└ 203.196.3.192 - 203.196.3.25463MINGNAN-INTERCOM-CNreserveredASSIGNED NON-PORTABLE—ipas@cnnic.cn

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

2,048 addresses
TypeAddressesShareRanges
Hosting1,53675%4
Residential51225%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS23724

CN
Name
IDC, China Telecommunications Corporation
Type
Hosting
Registered
Apr 22, 2003
Domain
chinatelecom.cn
Spamhaus ASN-DROP
not listed