HomePrefix Lookup123.254.0.0/15

123.254.0.0/15

🇯🇵
IPv4RIPEassignedNo ROA
CIDR
123.254.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇯🇵 Japan
City
Chiyoda
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

72 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
123.254.0.0/18AS7522STCN - STNet, IncorporatedNo ROA—6/13/2026
123.255.128.0/18AS9374EDION - EDION Corporation Valid—6/13/2026
123.255.0.0/18AS23655TWODEGREES-NZ-AS - 2degrees Networks Limited Valid—6/13/2026
123.254.192.0/18AS38103SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co LtdNo ROA—6/13/2026
123.254.128.0/18AS38103SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co LtdNo ROA—6/13/2026
123.255.96.0/19AS4641HKIX-AS-AP - The Hong Kong Internet Exchange LimitedNo ROA—6/13/2026
123.254.64.0/19AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.255.0.0/19AS23655TWODEGREES-NZ-AS - 2degrees Networks Limited Valid—6/13/2026
123.255.32.0/19AS23655TWODEGREES-NZ-AS - 2degrees Networks Limited Valid—6/13/2026
123.254.112.0/20AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.255.64.0/21AS3661ERX-CUHKNET - The Chinese University of Hong KongNo ROA—6/13/2026
123.255.88.0/21AS4775GLOBE-TELECOM-AS - Globe Telecoms Invalid—6/13/2026
123.255.88.0/21AS7713telkomnet-as-ap - PT Telekomunikasi Indonesia Invalid—6/13/2026
123.254.72.0/21AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.80.0/21AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.88.0/21AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.64.0/21AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.255.240.0/21AS10001MICSNET - Mics Network Corporation Valid—6/13/2026
123.255.192.0/21AS17698CCNET-NET - COMMUNITY NETWORK CENTER INCORPORATED. Valid—6/13/2026
123.255.232.0/21AS24259BC9 - kanuma cable television Corporation Valid—6/13/2026
123.255.200.0/21AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.88.0/21AS45430SBN-AWN-IIG-AS-AP - SBN-IIG/AWN-IIG transit provider Invalid—6/13/2026
123.254.104.0/21AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026
123.255.88.0/21AS140627ONEQODEASSETS-AS-AP - OneQode Invalid—6/13/2026
123.255.204.0/22AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.200.0/22AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.254.104.0/22AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026
123.254.108.0/22AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026
123.254.100.0/22AS141771CHINANET-HEBEI-ZHANGJIAKOU-MAN - China TelecomNo ROA—6/13/2026
123.254.96.0/22AS141771CHINANET-HEBEI-ZHANGJIAKOU-MAN - China TelecomNo ROA—6/13/2026
123.255.4.0/23AS23655TWODEGREES-NZ-AS - 2degrees Networks Limited Valid—6/13/2026
123.255.200.0/23AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.204.0/23AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.202.0/23AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.254.72.0/24AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.79.0/24AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.65.0/24AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.254.66.0/24AS9698YOUNGDOONG-AS-KR-KR - LG HelloVision Corp.No ROA—6/13/2026
123.255.205.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.202.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.204.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.207.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.203.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.206.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.200.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.201.0/24AS24521DATAUTAMA-NAP-ID - PT. DATA Utama Dinamika Valid—6/13/2026
123.255.13.0/24AS38084ETHAN-AU-AP - Ethan Group Valid—6/13/2026
123.255.251.0/24AS45536READYLINK-AS-AP - Readylink Internet Services Limited Valid—6/13/2026
123.255.248.0/24AS45536READYLINK-AS-AP - Readylink Internet Services Limited Valid—6/13/2026
123.255.249.0/24AS45536READYLINK-AS-AP - Readylink Internet Services Limited Valid—6/13/2026
123.255.250.0/24AS45536READYLINK-AS-AP - Readylink Internet Services Limited Valid—6/13/2026
123.255.231.0/24AS45560TOPNET-IPT-AS-AP - TOPNET. IP Transit ASNo ROA—6/13/2026
123.255.230.0/24AS45560TOPNET-IPT-AS-AP - TOPNET. IP Transit ASNo ROA—6/13/2026
123.254.114.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.127.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.126.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.125.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.124.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.123.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.122.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.121.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.120.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.119.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.118.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.117.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.116.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.115.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.112.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.113.0/24AS45780BROADBANDSOLUTIONS-AS-AP - Broadband Solutions Pty Ltd Valid—6/13/2026
123.254.108.0/24AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026
123.254.110.0/24AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026
123.254.111.0/24AS55933CLOUDIE-AS-AP - Cloudie Limited Valid—6/13/2026

More Specific Prefixes

100
PrefixASCountryStatus
123.254.128.0/17🇰🇷KRallocated
123.254.0.0/18AS7522🇯🇵JPallocated
123.255.0.0/18AS23655🇳🇿NZallocated
123.255.128.0/18AS9374🇯🇵JPallocated
123.254.64.0/19AS9698🇰🇷KRallocated
123.255.96.0/19AS3661🇭🇰HKallocated
123.254.112.0/20AS45780🇦🇺AUallocated
123.255.48.0/20🇳🇿NZassigned
123.255.16.0/20🇳🇿NZassigned
123.255.64.0/20AS3661🇭🇰HKallocated
123.255.208.0/20🇦🇺AUassigned
123.255.80.0/21AS3661🇭🇰HKallocated
123.255.32.0/21🇳🇿NZassigned
123.255.208.0/21🇦🇺AUallocated
123.255.192.0/21AS17698🇯🇵JPallocated
123.255.24.0/21🇳🇿NZassigned
123.255.200.0/21AS24521🇮🇩IDallocated
123.254.104.0/21AS55933🇭🇰HKallocated
123.255.88.0/21AS45430🇭🇰HKallocated
123.255.240.0/21AS10001🇯🇵JPallocated
123.255.232.0/21AS24259🇯🇵JPallocated
123.255.224.0/21🇵🇭PHallocated
123.255.216.0/21🇦🇺AUallocated
123.254.100.0/22AS141771🇨🇳CNallocated
123.254.96.0/22AS141771🇨🇳CNallocated
123.255.208.0/22🇦🇺AUassigned
123.255.248.0/22🇮🇳INallocated
123.255.252.0/22🇮🇳INallocated
123.255.16.0/22🇳🇿NZassigned
123.255.216.0/22🇦🇺AUassigned
123.255.20.0/22🇳🇿NZassigned
123.255.212.0/23🇦🇺AUassigned
123.255.40.0/23🇳🇿NZassigned
123.255.42.0/23🇳🇿NZassigned
123.255.220.0/23🇦🇺AUassigned
123.255.14.0/23🇳🇿NZassigned
123.255.214.0/24🇦🇺AUassigned
123.255.223.0/24🇦🇺AUassigned
123.255.222.0/24🇦🇺AUassigned
123.255.46.0/24🇳🇿NZassigned
123.255.224.0/24🇵🇭PHassigned
123.255.13.0/24AS38084🇳🇿NZassigned
123.255.11.0/24🇳🇿NZassigned
123.255.17.0/24🇳🇿NZassigned
123.255.3.0/24🇳🇿NZassigned
123.255.6.0/24🇳🇿NZassigned
123.255.4.0/24🇳🇿NZassigned
123.255.228.0/24🇵🇭PHassigned
123.255.10.0/24🇳🇿NZassigned
123.255.9.0/24🇳🇿NZassigned
123.255.7.0/24🇳🇿NZassigned
123.255.227.0/24🇵🇭PHassigned
123.255.231.0/24AS45560🇵🇭PHassigned
123.255.230.0/24AS45560🇵🇭PHassigned
123.255.12.0/24🇳🇿NZassigned
123.255.5.0/24🇳🇿NZassigned
123.255.8.0/24🇳🇿NZassigned
123.255.47.0/24🇳🇿NZassigned
123.255.226.0/24🇵🇭PHassigned
123.255.215.0/24🇦🇺AUassigned
123.255.229.0/24🇵🇭PHassigned
123.255.225.0/24🇵🇭PHassigned
123.254.125.0/25🇦🇺AUassigned
123.254.122.0/25🇦🇺AUassigned
123.254.112.0/25🇦🇺AUassigned
123.254.121.0/25🇦🇺AUassigned
123.254.124.0/25🇦🇺AUassigned
123.254.113.0/25🇦🇺AUassigned
123.254.123.0/25🇦🇺AUassigned
123.254.117.0/25🇦🇺AUassigned
123.254.115.0/25🇦🇺AUassigned
123.254.114.0/25🇦🇺AUassigned
123.254.119.0/25🇦🇺AUassigned
123.254.120.0/25🇦🇺AUassigned
123.254.126.0/25🇦🇺AUassigned
123.254.118.0/25🇦🇺AUassigned
123.254.116.0/25🇦🇺AUassigned
123.254.127.0/25🇦🇺AUassigned
123.254.119.128/26🇦🇺AUassigned
123.254.112.128/26🇦🇺AUassigned
123.254.124.128/26🇦🇺AUassigned
123.254.122.128/26🇦🇺AUassigned
123.254.123.128/26🇦🇺AUassigned
123.254.115.128/26🇦🇺AUassigned
123.254.125.128/26🇦🇺AUassigned
123.254.121.128/26🇦🇺AUassigned
123.254.120.128/26🇦🇺AUassigned
123.254.114.128/26🇦🇺AUassigned
123.254.117.128/26🇦🇺AUassigned
123.254.127.128/26🇦🇺AUassigned
123.254.118.128/26🇦🇺AUassigned
123.254.113.128/26🇦🇺AUassigned
123.254.116.128/26🇦🇺AUassigned
123.254.126.128/26🇦🇺AUassigned
123.254.115.192/27🇦🇺AUassigned
123.254.114.192/27🇦🇺AUassigned
123.254.123.192/27🇦🇺AUassigned
123.254.122.192/27🇦🇺AUassigned
123.254.121.192/27🇦🇺AUassigned
123.254.113.192/27🇦🇺AUassigned
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda
Coordinates35.6916, 139.7680 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/123.254.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/123.254.0.0/15" | jq
External Links
RIPEstat Hurricane Electric BGP