203.21.37.0.
Verified Asset
WHOIS
Australian Academic and Research Network
203.21.37.0/24
203.21.37.0
first
203.21.37.0
last
203.21.37.255
netmask
255.255.255.0
mac
cb:15:25:00
Size
/24
Registry
APNIC
Prefixes
1x
/24
Status
allocated
Entity
Registry: apnicOrganisation
Australian Academic and Research Network
AAAR1
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
AU
Infrastructure
AS7575
Entity_Legal
Australian Academic and Research Network AARNet
ip2location
PAYLOAD://IP2LOCATION_V2
Geo_Origin
AU
Infrastructure
No_ASN_Data
Entity_Legal
Australian Academic and Research Network AARNet
dbip
PAYLOAD://DBIP_V2
Geo_Origin
AU
Infrastructure
AS7575
Entity_Legal
Australian Academic and Research Network
ipinfo
PAYLOAD://IPINFO_V2
Geo_Origin
AU
Infrastructure
AS7575
Entity_Legal
Australian Academic and Research Network (AARNet)
rir
PAYLOAD://RIR_V2
Geo_Origin
AU
Infrastructure
AARNET
Entity_Legal
RIR_OTHER
Resource History
| Date | Changed | Prefix | Addresses | Organisation | Status | Registry | |
|---|---|---|---|---|---|---|---|
| 1995-10-23 | 2022-02-12 | 203.21.37.0/24 | 256 | Australian Academic... | allocated | apnic | |
| 1995-10-23 | 2011-03-08 | 203.21.36.0/22 | 1.024 | allocated | apnic | ||
| 1995-10-23 | 2004-05-11 | 203.21.32.0/21 | 2.048 | allocated | apnic | ||
| 1995-10-23 | 2004-02-20 | 203.21.32.0/20 | 4.096 | allocated | apnic | ||
| 2002-10-15 | 2004-02-07 | 203.21.32.0/20 | 4.096 | allocated | apnic | ||
| 2002-10-15 | 2003-11-01 | 203.21.32.0/19 | 8.192 | allocated | apnic | ||
| 2002-10-15 | 2002-11-01 | 203.16.0.0/13 | 524.288 | allocated | apnic | ||
| 1994-09-02 | 2001-11-01 | 203.16.0.0/12 | 1.048.576 | allocated | apnic |
Professional IPv4 leasing services available for this network block.
Lease Network
1995-10-23
allocated
203.21.37.0/24
1995-10-23
allocated
203.21.37.0/22
1995-10-23
allocated
203.21.37.0/21
1995-10-23
allocated
203.21.37.0/20
2002-10-15
allocated
203.21.37.0/20