NETWORK LOOKUP TOOL
BGP Network Lookup for 12.237.72.0/21
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BigDataCloud Networks by CIDR APIParent Network
Network Details
BGP Prefix
12.237.72.0/21
BGP Prefix Network Address
12.237.72.0
BGP Prefix Last Address
12.237.79.255
Total Addresses
2,048
Registry
ARIN
Registry Status
assigned
Is Reachable Globally
true
Is Bogon
false
SubNetwork(s)
| Range From | Range To | Organisation |
|---|---|---|
| 12.237.67.88 | 12.237.72.255 |  AT&T Enterprises, LLC |
| 12.237.73.0 | 12.237.73.7 | ATTSI, INFO TECHNOLOGYN OPERAT |
| 12.237.73.8 | 12.237.73.15 | ATTSI, INFO TECHNOLOGYN OPERAT |
| 12.237.73.16 | 12.237.73.31 | AT&T Enterprises, LLC |
| 12.237.73.32 | 12.237.73.39 | BVOIP IPTF COMPANY BB TEST |
| 12.237.73.40 | 12.237.73.103 | AT&T Enterprises, LLC |
| 12.237.73.104 | 12.237.73.111 | ENTERPRISE HOLDINGS, INC. |
| 12.237.73.112 | 12.237.73.127 | AT&T Enterprises, LLC |
| 12.237.73.128 | 12.237.73.135 | GRIFFIN LAND NURSERIES, |
| 12.237.73.136 | 12.237.73.175 | AT&T Enterprises, LLC |
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Announced By
ASN
Organisation
AT&T Enterprises, LLC