HomePrefix Lookup207.10.136.0/21

207.10.136.0/21

🇺🇸
IPv4ARINallocatedAS14COLUMBIA-GW - Columbia UniversityNo ROA
CIDR
207.10.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Palisades
RIR
ARIN
Status
allocated
Allocated
11/20/2025

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
207.10.136.0/21AS14COLUMBIA-GW - Columbia UniversityNo ROA
RADB
6/1/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS14RADBMAINT-AS1411/13/2023
Origin ASN
AS14
COLUMBIA-GW - Columbia University
Geolocation
Country🇺🇸United StatesUS
RegionNew York
CityPalisades
Coordinates41.0107, -73.9134 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/207.10.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/207.10.136.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP