HomePrefix Lookup122.152.128.0/18

122.152.128.0/18

🇯🇵
IPv4APNICallocated RPKI Valid
CIDR
122.152.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
1/16/2007

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

7 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
122.152.128.0/19AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026
122.152.160.0/20AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026
122.152.176.0/21AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026
122.152.184.0/21AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026
122.152.165.0/24AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026
122.152.164.0/24AS4637ASN-TELSTRA-GLOBAL - Telstra Global Invalid—6/13/2026
122.152.168.0/24AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid—6/13/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
122.152.128.0/18AS4637/18apnic

IRR Route Objects

2
OriginRegistryMaintainerModified
AS4637APNICMAINT-HK-TI8/22/2023
AS4637RADBMAINT-AS463711/13/2023

More Specific Prefixes

46
PrefixASCountryStatus
122.152.165.0/24AS4637🇸🇬SGassigned
122.152.143.0/24🇸🇬SGassigned
122.152.174.0/24🇭🇰HKassigned
122.152.128.0/24🇯🇵JPassigned
122.152.129.0/24🇯🇵JPassigned
122.152.164.0/24AS4637🇸🇬SGassigned
122.152.161.0/25🇭🇰HKassigned
122.152.147.128/25🇯🇵JPassigned
122.152.136.0/25🇸🇬SGassigned
122.152.147.0/25🇯🇵JPassigned
122.152.179.192/26🇹🇼TWassigned
122.152.135.0/26🇵🇭PHassigned
122.152.180.64/26🇭🇰HKassigned
122.152.179.128/26🇹🇼TWassigned
122.152.169.64/26🇭🇰HKassigned
122.152.171.0/26🇭🇰HKassigned
122.152.134.32/27🇵🇭PHassigned
122.152.133.0/27🇦🇺AUassigned
122.152.133.32/27🇦🇺AUassigned
122.152.133.64/27🇦🇺AUassigned
122.152.135.96/27🇵🇭PHassigned
122.152.137.64/27🇲🇾MYassigned
122.152.148.96/27🇦🇺AUassigned
122.152.169.32/27🇭🇰HKassigned
122.152.171.64/27🇭🇰HKassigned
122.152.148.80/28🇦🇺AUassigned
122.152.148.128/28🇳🇿NZassigned
122.152.148.208/28🇦🇺AUassigned
122.152.148.224/28🇦🇺AUassigned
122.152.137.96/28🇲🇾MYassigned
122.152.161.128/28🇭🇰HKassigned
122.152.137.16/28🇲🇾MYassigned
122.152.133.192/28🇦🇺AUassigned
122.152.133.176/28🇦🇺AUassigned
122.152.133.160/28🇳🇿NZassigned
122.152.180.16/28🇭🇰HKassigned
122.152.148.48/28🇳🇿NZassigned
122.152.133.144/28🇦🇺AUassigned
122.152.136.160/28🇸🇬SGassigned
122.152.133.224/28🇦🇺AUassigned
122.152.136.176/29🇲🇾MYassigned
122.152.176.0/29🇭🇰HKassigned
122.152.180.8/29🇭🇰HKassigned
122.152.137.112/29🇸🇬SGassigned
122.152.189.64/30🇭🇰HKassigned
122.152.189.212/30🇭🇰HKassigned
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6940, 139.7540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/122.152.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/122.152.128.0/18" | jq
External Links
RIPEstat Hurricane Electric BGP