HomePrefix Lookup122.152.128.0/19

122.152.128.0/19

🇯🇵
IPv4APNICannouncedAS4637ASN-TELSTRA-GLOBAL - Telstra Global RPKI Valid
CIDR
122.152.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
122.152.128.0/19AS4637ASN-TELSTRA-GLOBAL - Telstra Global Valid
APNIC
6/13/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
122.152.128.0/19AS4637/19apnic
122.152.128.0/18AS4637/18apnic

IRR Route Objects

1
OriginRegistryMaintainerModified
AS4637APNICMAINT-HK-TI8/11/2023

More Specific Prefixes

29
PrefixASCountryStatus
122.152.143.0/24🇸🇬SGassigned
122.152.128.0/24🇯🇵JPassigned
122.152.129.0/24🇯🇵JPassigned
122.152.136.0/25🇸🇬SGassigned
122.152.147.0/25🇯🇵JPassigned
122.152.147.128/25🇯🇵JPassigned
122.152.135.0/26🇵🇭PHassigned
122.152.135.96/27🇵🇭PHassigned
122.152.133.0/27🇦🇺AUassigned
122.152.133.32/27🇦🇺AUassigned
122.152.134.32/27🇵🇭PHassigned
122.152.133.64/27🇦🇺AUassigned
122.152.137.64/27🇲🇾MYassigned
122.152.148.96/27🇦🇺AUassigned
122.152.148.224/28🇦🇺AUassigned
122.152.133.144/28🇦🇺AUassigned
122.152.133.160/28🇳🇿NZassigned
122.152.133.176/28🇦🇺AUassigned
122.152.133.192/28🇦🇺AUassigned
122.152.133.224/28🇦🇺AUassigned
122.152.136.160/28🇸🇬SGassigned
122.152.137.16/28🇲🇾MYassigned
122.152.137.96/28🇲🇾MYassigned
122.152.148.48/28🇳🇿NZassigned
122.152.148.80/28🇦🇺AUassigned
122.152.148.128/28🇳🇿NZassigned
122.152.148.208/28🇦🇺AUassigned
122.152.137.112/29🇸🇬SGassigned
122.152.136.176/29🇲🇾MYassigned
Origin ASN
AS4637
ASN-TELSTRA-GLOBAL - Telstra Global
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6940, 139.7540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/122.152.128.0/19

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

curl -s "https://api.ipctl.io/v1/prefix/122.152.128.0/19" | jq
External Links
RIPEstat Hurricane Electric BGP