121.91.136.0.
Verified Asset
WHOIS
China Unicom (Hong Kong) Operations Limited
121.91.136.0/21
121.91.136.0
first
121.91.136.0
last
121.91.143.255
netmask
255.255.248.0
mac
79:5b:88:00
Size
/21
Registry
APNIC
Prefixes
8x
/24
Status
allocated
Entity
Registry: apnicOrganisation
China Unicom (Hong Kong) Operations Limited
CUKO1
Clean
Blocklist: Neutral
Reputation Score
0/100
Incidents: 0
Tenants: 0
Authority
Registry:Local Internet Registry
Intel_Source_Matrix
maxmind
PAYLOAD://MAXMIND_V2
Geo_Origin
HK
Infrastructure
No_ASN_Data
Entity_Legal
ip2location
PAYLOAD://IP2LOCATION_V2
Geo_Origin
HK
Infrastructure
No_ASN_Data
Entity_Legal
dbip
PAYLOAD://DBIP_V2
Geo_Origin
HK
Infrastructure
No_ASN_Data
Entity_Legal
ipinfo
PAYLOAD://IPINFO_V2
Geo_Origin
HK
Infrastructure
No_ASN_Data
Entity_Legal
rir
PAYLOAD://RIR_V2
Geo_Origin
HK
Infrastructure
UNICOM-HK
Entity_Legal
RIR_OTHER
Resource History
| Date | Changed | Prefix | Addresses | Organisation | Status | Registry | |
|---|---|---|---|---|---|---|---|
| 2007-11-26 | 2023-05-03 | 121.91.136.0/21 | 2.048 | China Unicom (Hong K... | allocated | apnic | |
| 2007-11-26 | 2021-11-30 | 121.91.128.0/20 | 4.096 | allocated | apnic | ||
| 2007-11-26 | 2021-04-17 | 121.91.128.0/19 | 8.192 | allocated | apnic | ||
| 2007-11-26 | 2020-12-23 | 121.91.128.0/18 | 16.384 | allocated | apnic | ||
| 2007-11-26 | 2007-11-27 | 121.91.128.0/17 | 32.768 | allocated | apnic |
Professional IPv4 leasing services available for this network block.
Lease Network
2007-11-26
allocated
121.91.136.0/21
2007-11-26
allocated
121.91.136.0/20
2007-11-26
allocated
121.91.136.0/19
2007-11-26
allocated
121.91.136.0/18
2007-11-26
allocated
121.91.136.0/17