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Data as of Nov 12, 2026

210.75.40.0/21

No anonymizer space · no proxy exits in 30 days

CHINANET Guangdong province Guangzhou MAN network · space held by China Internet Network Information Center

Announcement
this exact prefix
No RPKI
Announced by
AS134773
Type
Residential
64% of it

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
210.75.0.0/1732,768CNNICChina Internet Network Information CenterALLOCATED PORTABLE—ipas@cnnic.cn
└ 210.75.32.0/198,192GDSTINETGuangDong Jingke Information Network CenterALLOCATED PORTABLE—ipas@cnnic.cn
└ 210.75.40.0/2732GDRIMGuangdong Research Institute of MedicineASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.32/2732GDRIPIGuangdong Research Institute of Petrochemical IndustryASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.64/2732GDRICFGuangdong Research Institute of Chemical FiberASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.96/2732GDFRIGuangdong Forestry Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.128/2732GDRRIGuangdong Rice Reasearch InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.160/2732GDMAIGuangdong Province Medical Appliances InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.192/2732GDEIGuangdong Entomological InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.40.224/2732GDSSIGuangdong Shipping Scicence Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.0/2732GDAASGuangdong Academy of Agricultural Science officeASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.32/2732GDAMRIGuangdong Agricultural Machinery Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.64/2732GDRDRIGuangdong Respiratory Disease Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.96/2732GDKLEPRUGuangdong Key Laboratory of Environmental Protection and Resources UtilizationASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.128/2732GDVIVeterinary Institute of GuangdongASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.160/2732AERMCAutomation Engineering Research and Manufacture CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.192/2732GDPIRIGuangdong Paper Industry Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.41.224/2732GDFCIRIGuangdong Fengxi Ceramic Industry Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.0/2732GDKLMBGuangdong Key Laboratory of Marine BiologyASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.32/2732GDCIGuangdong Cardiovascular InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.64/2732GDITCMGuangdong Institute of Traditional Chinese MedicineASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.96/2732GDPPRIGuangdong Plant Protection Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.128/2732GDPARIGuangdong Provincial Architecture Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.160/2732GDTARIGuangdong Test & Analysis Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.42.192/2732GDPERIGuangdong Plan and Economy Research InstituteASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.43.0/24256GZSTINETGuangzhou Sci & Tech Information Network CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.44.0/24256NANHAINETNanhai Network CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.45.0/24256DONGGUANNETDongguan Dongke Network CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.46.0/24256SZSTINETShenzhen Sci & Tech Information Institute, SZSTI Net CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET
└ 210.75.47.0/24256FSSTINETFoshan Sci & Tech Network CenterASSIGNED NON-PORTABLE—ipas@cnnic.cn
via GDSTINET

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
Residential1,31264%1
Business73636%23

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2021
Current origin since
May 2021 · 5.5 yr
Origin networks
1