HomePrefix Lookup123.200.128.0/18

123.200.128.0/18

🇦🇺
IPv4APNICallocated RPKI Valid
CIDR
123.200.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇦🇺 Australia
City
Perth
RIR
APNIC
Status
allocated
Allocated
11/20/2006

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

33 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.200.128.0/20AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.152.0/21AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.136.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.140.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.128.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.144.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.148.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.184.0/22AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.132.0/23AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.184.0/23AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.188.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.134.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.160.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.162.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.164.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.166.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.168.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.180.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.182.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.186.0/23AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.173.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.177.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.170.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.178.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.171.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.176.0/24AS9313ONTHENET-AS - Network Technology (AUST) P/L Valid—6/13/2026
123.200.174.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.175.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.179.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.187.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.165.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.172.0/24AS9723ISEEK-AS-AP - iseek Communications Pty Ltd Valid—6/13/2026
123.200.136.0/24AS137536CERNER-AS-AP - CERNER CORPORATION PTY LIMITED Valid—6/13/2026

More Specific Prefixes

29
PrefixASCountryStatus
123.200.152.0/21AS9723🇦🇺AUassigned
123.200.128.0/21🇦🇺AUassigned
123.200.144.0/22AS9723🇦🇺AUassigned
123.200.140.0/22AS9723🇦🇺AUassigned
123.200.136.0/22AS9723🇦🇺AUassigned
123.200.148.0/22AS9723🇦🇺AUassigned
123.200.132.0/23AS9313🇦🇺AUassigned
123.200.160.0/23AS9723🇦🇺AUassigned
123.200.166.0/23AS9723🇦🇺AUassigned
123.200.170.0/23🇦🇺AUassigned
123.200.180.0/23AS9723🇦🇺AUassigned
123.200.186.0/23AS9723🇦🇺AUassigned
123.200.188.0/23AS9723🇦🇺AUassigned
123.200.168.0/23AS9723🇦🇺AUassigned
123.200.162.0/23AS9723🇦🇺AUassigned
123.200.184.0/23AS9313🇦🇺AUassigned
123.200.176.0/23🇦🇺AUassigned
123.200.182.0/23AS9723🇦🇺AUassigned
123.200.175.0/24AS9723🇦🇺AUassigned
123.200.164.0/24🇦🇺AUassigned
123.200.177.0/24AS9313🇦🇺AUassigned
123.200.179.0/24AS9723🇦🇺AUassigned
123.200.170.0/24AS9313🇦🇺AUassigned
123.200.171.0/24AS9313🇦🇺AUassigned
123.200.178.0/24AS9313🇦🇺AUassigned
123.200.165.0/24AS9723🇦🇺AUassigned
123.200.172.0/24AS9723🇦🇺AUassigned
123.200.173.0/24AS9313🇦🇺AUassigned
123.200.174.0/24AS9723🇦🇺AUassigned
Geolocation
Country🇦🇺AustraliaAU
RegionWestern Australia
CityPerth
Coordinates-31.9523, 115.8610 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/123.200.128.0/18

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/123.200.128.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP