HomePrefix Lookup157.250.104.0/21

157.250.104.0/21

🇯🇵
CIDR
157.250.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Setagaya
RIR
APNIC
Status
assigned
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
157.250.104.0/21AS2519VECTANT - ARTERIA Networks CorporationNo ROA
RADB
6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS2519RADBMAINT-AS251911/13/2023

More Specific Prefixes

11
PrefixASCountryStatus
157.250.108.0/24🇯🇵JPassigned
157.250.105.0/24🇯🇵JPassigned
157.250.111.0/24🇯🇵JPassigned
157.250.107.0/24🇯🇵JPassigned
157.250.104.0/24🇯🇵JPassigned
157.250.106.0/24🇯🇵JPassigned
157.250.109.0/24🇯🇵JPassigned
157.250.110.0/24🇯🇵JPassigned
157.250.111.128/25🇯🇵JPassigned
157.250.110.128/25🇯🇵JPassigned
157.250.111.0/25🇯🇵JPassigned
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CitySetagaya
GEThttps://api.ipctl.io/v1/prefix/157.250.104.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/157.250.104.0/21" | jq