HomePrefix Lookup219.122.16.0/21

219.122.16.0/21

🇯🇵
IPv4APNICannouncedAS18264SEN - Seikei Eizo Network Inc.No ROA
CIDR
219.122.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
219.122.16.0/21AS18264SEN - Seikei Eizo Network Inc.No ROA—6/1/2026
Origin ASN
AS18264
SEN - Seikei Eizo Network Inc.
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6906, 139.7700 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/219.122.16.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/219.122.16.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP