HomePrefix Lookup143.46.0.0/16

143.46.0.0/16

🇯🇵
IPv4ARINallocatedAS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA
CIDR
143.46.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
ARIN
Status
allocated
Allocated
3/26/1990

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
143.46.0.0/16AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026

Covering Prefix

57 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
143.46.164.0/22AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.120.0/22AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.116.0/22AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.128.0/23AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.8.0/23AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.130.0/23AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.134.0/23AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.21.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.22.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.23.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.24.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.25.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.26.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.27.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.32.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.33.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.34.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.35.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.36.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.37.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.39.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.48.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.49.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.50.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.51.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.53.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.60.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.110.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.140.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.141.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.142.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.143.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.144.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.145.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.146.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.147.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.150.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.151.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.158.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.161.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.168.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.169.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.170.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.190.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.193.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.196.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.210.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.229.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.240.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.253.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.5.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.10.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.11.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.12.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.17.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.18.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
143.46.20.0/24AS1637DNIC-AS-01637 - Headquarters, USAISCNo ROA—5/31/2026
Origin ASN
AS1637
DNIC-AS-01637 - Headquarters, USAISC
Geolocation
Country🇯🇵JapanJP
RegionTokyo
CityChiyoda City
Coordinates35.6940, 139.7540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/143.46.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/143.46.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP