HomePrefix Lookup146.203.0.0/16

146.203.0.0/16

🇺🇸
IPv4ARINallocatedAS11452MOUNT-SINAI - Mount Sinai School of MedicineNo ROA
CIDR
146.203.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
2/28/1991

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

13 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
146.203.0.0/18AS11452MOUNT-SINAI - Mount Sinai School of MedicineNo ROA—5/31/2026
146.203.64.0/18AS11452MOUNT-SINAI - Mount Sinai School of MedicineNo ROA—5/31/2026
146.203.192.0/18AS11452MOUNT-SINAI - Mount Sinai School of MedicineNo ROA—5/31/2026
146.203.136.0/21AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.128.0/21AS11452MOUNT-SINAI - Mount Sinai School of MedicineNo ROA—5/31/2026
146.203.148.0/22AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.144.0/22AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.149.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.150.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.151.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.139.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.138.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026
146.203.148.0/24AS11452MOUNT-SINAI - Mount Sinai School of Medicine Valid—5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS7029RADBMAINT-AS702911/13/2023
Origin ASN
AS11452
MOUNT-SINAI - Mount Sinai School of Medicine
Geolocation
Country🇺🇸United StatesUS
RegionNew York
CityNew York
Coordinates40.7889, -73.9540 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/146.203.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/146.203.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP