HomePrefix Lookup137.220.128.0/18

137.220.128.0/18

🇯🇵
IPv4APNICassigned RPKI Valid
CIDR
137.220.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
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

52 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
137.220.128.0/17AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.172.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.166.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.140.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.152.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.158.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.157.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.156.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.155.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.136.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.154.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.153.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.139.0/24AS4907BGPNETPTELTD-AS-AP - BGPNET PTE. LTD. Valid—6/13/2026
137.220.130.0/24AS64050BGNL-HK - BGP Network Limited Valid—6/13/2026
137.220.164.0/24AS138995ANTBOX1-AS-AP - Antbox Networks Limited Valid—6/13/2026
137.220.142.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.143.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.144.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.145.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.146.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.150.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.151.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.141.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.138.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.137.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.135.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.134.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.133.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.132.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.160.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.161.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.163.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.131.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.129.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.167.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.168.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.169.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.170.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.171.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.128.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.174.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.175.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.176.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.177.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.180.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.181.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.182.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.183.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.184.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.185.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.186.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026
137.220.191.0/24AS152194CTGSERVERLIMITED-AS-AP - CTG Server Limited Valid—6/13/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
137.220.128.0/17AS64050/24apnic
137.220.128.0/17AS152194/24apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS64050APNICMAINT-RCPL-SG5/20/2020
AS152194APNICMAINT-RCPL-SG3/23/2024

More Specific Prefixes

19
PrefixASCountryStatus
137.220.128.0/21🇯🇵JPassigned
137.220.136.0/24AS4907🇭🇰HKassigned
137.220.139.0/24AS4907🇭🇰HKassigned
137.220.140.0/24AS4907🇭🇰HKassigned
137.220.150.0/24AS152194🇸🇬SGassigned
137.220.151.0/24AS152194🇸🇬SGassigned
137.220.152.0/24AS4907🇭🇰HKassigned
137.220.153.0/24AS4907🇭🇰HKassigned
137.220.154.0/24AS4907🇭🇰HKassigned
137.220.155.0/24AS4907🇭🇰HKassigned
137.220.156.0/24AS4907🇭🇰HKassigned
137.220.157.0/24AS4907🇭🇰HKassigned
137.220.158.0/24AS4907🇭🇰HKassigned
137.220.164.0/24AS138995🇸🇬SGassigned
137.220.165.0/24AS4907🇭🇰HKassigned
137.220.166.0/24AS4907🇭🇰HKassigned
137.220.172.0/24AS4907🇭🇰HKassigned
137.220.178.0/24AS4907🇭🇰HKassigned
137.220.179.0/24AS4907🇭🇰HKassigned
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6940, 139.7540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/137.220.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/137.220.128.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP