Data as of Nov 4, 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
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—[email protected]
└ 210.75.32.0/198,192GDSTINETGuangDong Jingke Information Network CenterALLOCATED PORTABLE—[email protected]
└ 210.75.40.0/2732GDRIMGuangdong Research Institute of MedicineASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.32/2732GDRIPIGuangdong Research Institute of Petrochemical IndustryASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.64/2732GDRICFGuangdong Research Institute of Chemical FiberASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.96/2732GDFRIGuangdong Forestry Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.128/2732GDRRIGuangdong Rice Reasearch InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.160/2732GDMAIGuangdong Province Medical Appliances InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.192/2732GDEIGuangdong Entomological InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.40.224/2732GDSSIGuangdong Shipping Scicence Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.0/2732GDAASGuangdong Academy of Agricultural Science officeASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.32/2732GDAMRIGuangdong Agricultural Machinery Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.64/2732GDRDRIGuangdong Respiratory Disease Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.96/2732GDKLEPRUGuangdong Key Laboratory of Environmental Protection and Resources UtilizationASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.128/2732GDVIVeterinary Institute of GuangdongASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.160/2732AERMCAutomation Engineering Research and Manufacture CenterASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.192/2732GDPIRIGuangdong Paper Industry Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.41.224/2732GDFCIRIGuangdong Fengxi Ceramic Industry Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.0/2732GDKLMBGuangdong Key Laboratory of Marine BiologyASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.32/2732GDCIGuangdong Cardiovascular InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.64/2732GDITCMGuangdong Institute of Traditional Chinese MedicineASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.96/2732GDPPRIGuangdong Plant Protection Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.128/2732GDPARIGuangdong Provincial Architecture Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.160/2732GDTARIGuangdong Test & Analysis Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.42.192/2732GDPERIGuangdong Plan and Economy Research InstituteASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.43.0/24256GZSTINETGuangzhou Sci & Tech Information Network CenterASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.44.0/24256NANHAINETNanhai Network CenterASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.45.0/24256DONGGUANNETDongguan Dongke Network CenterASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.46.0/24256SZSTINETShenzhen Sci & Tech Information Institute, SZSTI Net CenterASSIGNED NON-PORTABLE—[email protected]
via GDSTINET
└ 210.75.47.0/24256FSSTINETFoshan Sci & Tech Network CenterASSIGNED NON-PORTABLE—[email protected]
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

IPv4 market

Holder

Organization
China Internet Network Information Center
Range
210.75.0.0/17
Registration type
ALLOCATED PORTABLE
Origin network

AS134773

CN
Name
CHINANET Guangdong province Guangzhou MAN network
Type
Internet provider
Registered
Oct 27, 2015
Domain
gd.gov.cn
Spamhaus ASN-DROP
not listed