HomePrefix Lookup123.100.128.0/18

123.100.128.0/18

🇦🇺
IPv4RIPEassignedNo ROA
CIDR
123.100.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇦🇺 Australia
City
Kingsholme
RIR
RIPE
Status
assigned
Allocated
-

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

27 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.100.160.0/19AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.176.0/20AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.160.0/20AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.168.0/21AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.184.0/21AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.176.0/21AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.160.0/21AS38673KCTVNET-AS-KR-KR - Korea Cable TV Kwangju BroadcastingNo ROA—6/13/2026
123.100.156.0/22AS55900GLBB-JP - GLBB Japan KK Valid—6/13/2026
123.100.136.0/22AS55900GLBB-JP - GLBB Japan KK Valid—6/13/2026
123.100.130.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.131.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.135.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.142.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.153.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.154.0/24AS135027VIRTUALPLATFORM-AS-AP - Virtualplatform Pty Ltd Valid—6/13/2026
123.100.151.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.152.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.141.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.140.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.148.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.147.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.146.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.145.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.144.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.143.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.149.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026
123.100.150.0/24AS135060TELAIRPTYLTD-AS-AP - Telair Pty Ltd Valid—6/13/2026

More Specific Prefixes

81
PrefixASCountryStatus
123.100.160.0/19AS38673🇰🇷KRallocated
123.100.144.0/21🇦🇺AUallocated
123.100.128.0/21AS38289🇦🇺AUallocated
123.100.156.0/22AS55900🇯🇵JPallocated
123.100.136.0/22AS55900🇯🇵JPallocated
123.100.148.0/22🇦🇺AUassigned
123.100.154.0/23AS38289🇦🇺AUallocated
123.100.140.0/23🇦🇺AUallocated
123.100.144.0/23🇦🇺AUassigned
123.100.146.0/24AS135060🇦🇺AUassigned
123.100.152.0/24AS135060🇦🇺AUallocated
123.100.144.0/24AS135060🇦🇺AUassigned
123.100.151.0/24AS135060🇦🇺AUassigned
123.100.150.0/24AS135060🇦🇺AUassigned
123.100.145.0/24AS135060🇦🇺AUassigned
123.100.142.0/24AS38289🇦🇺AUallocated
123.100.153.0/24AS38289🇦🇺AUallocated
123.100.148.0/24AS135060🇦🇺AUassigned
123.100.149.0/24AS135060🇦🇺AUassigned
123.100.140.0/24AS135060🇦🇺AUassigned
123.100.147.0/24AS135060🇦🇺AUassigned
123.100.143.0/24AS135060🇦🇺AUallocated
123.100.147.0/25🇦🇺AUassigned
123.100.141.0/25🇦🇺AUassigned
123.100.143.128/26🇦🇺AUassigned
123.100.143.64/26🇦🇺AUassigned
123.100.141.128/26🇦🇺AUassigned
123.100.152.64/26🇦🇺AUassigned
123.100.146.128/26🇦🇺AUassigned
123.100.152.128/26🇦🇺AUassigned
123.100.147.128/26🇦🇺AUassigned
123.100.146.64/26🇦🇺AUassigned
123.100.146.32/27🇦🇺AUassigned
123.100.143.32/27🇦🇺AUassigned
123.100.147.192/27🇦🇺AUassigned
123.100.143.192/27🇦🇺AUassigned
123.100.146.192/27🇦🇺AUassigned
123.100.152.32/27🇦🇺AUassigned
123.100.152.192/27🇦🇺AUassigned
123.100.141.192/27🇦🇺AUassigned
123.100.146.224/28🇦🇺AUassigned
123.100.152.224/28🇦🇺AUassigned
123.100.147.224/28🇦🇺AUassigned
123.100.143.224/28🇦🇺AUassigned
123.100.141.224/28🇦🇺AUassigned
123.100.143.16/28🇦🇺AUassigned
123.100.152.16/28🇦🇺AUassigned
123.100.146.16/28🇦🇺AUassigned
123.100.152.240/29🇦🇺AUassigned
123.100.146.8/29🇦🇺AUassigned
123.100.146.240/29🇦🇺AUassigned
123.100.143.240/29🇦🇺AUassigned
123.100.143.8/29🇦🇺AUassigned
123.100.147.240/29🇦🇺AUassigned
123.100.141.240/29🇦🇺AUassigned
123.100.152.8/29🇦🇺AUassigned
123.100.141.248/30🇦🇺AUassigned
123.100.143.4/30🇦🇺AUassigned
123.100.152.248/30🇦🇺AUassigned
123.100.152.4/30🇦🇺AUassigned
123.100.146.4/30🇦🇺AUassigned
123.100.143.248/30🇦🇺AUassigned
123.100.146.248/30🇦🇺AUassigned
123.100.147.248/30🇦🇺AUassigned
123.100.152.2/31🇦🇺AUassigned
123.100.141.252/31🇦🇺AUassigned
123.100.146.2/31🇦🇺AUassigned
123.100.143.252/31🇦🇺AUassigned
123.100.146.252/31🇦🇺AUassigned
123.100.143.2/31🇦🇺AUassigned
123.100.147.252/31🇦🇺AUassigned
123.100.152.252/31🇦🇺AUassigned
123.100.144.114/32🇦🇺AUassigned
123.100.146.254/32🇦🇺AUassigned
123.100.152.1/32🇦🇺AUassigned
123.100.141.254/32🇦🇺AUassigned
123.100.143.1/32🇦🇺AUassigned
123.100.143.254/32🇦🇺AUassigned
123.100.152.254/32🇦🇺AUassigned
123.100.146.1/32🇦🇺AUassigned
123.100.147.254/32🇦🇺AUassigned
Geolocation
Country🇦🇺AustraliaAU
RegionQueensland
CityKingsholme
Coordinates-27.8219, 153.2450 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/123.100.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/123.100.128.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP