Networks matching "CERFNET"

IPv4 IPv6

We found 32 IPv4 networks matching "CERFNET".

AT&T Enterprises, LLC
Network: CERFNET-BLK-5
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: N/A
IP Range: 63.240.0.0 - 63.242.255.255
Block size: 196,608
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Jarden Corporation
Network: CERFNET-BLK-5
Organization: Jarden Corporation
Location: United States United States
CIDR: 63.240.233.0/29
IP Range: 63.240.233.0 - 63.240.233.7
Block size: 8
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Jarden Corporation
Network: CERFNET-BLK-5
Organization: Jarden Corporation
Location: United States United States
CIDR: 63.240.233.64/27
IP Range: 63.240.233.64 - 63.240.233.95
Block size: 32
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HRsmart, Inc
Network: CERFNET-BLK-206
Organization: HRsmart, Inc
Location: United States United States
CIDR: 63.241.196.0/26
IP Range: 63.241.196.0 - 63.241.196.63
Block size: 64
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AT&T Enterprises, LLC
Network: CERFNET
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 134.24.0.0/16
IP Range: 134.24.0.0 - 134.24.255.255
Block size: 65,536
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AT&T Enterprises, LLC
Network: CERFNET-OPER
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.102.249.0/24
IP Range: 192.102.249.0 - 192.102.249.255
Block size: 256
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AT&T Enterprises, LLC
Network: CERFNET-OP2
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.153.156.0/24
IP Range: 192.153.156.0 - 192.153.156.255
Block size: 256
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AT&T Enterprises, LLC
Network: NETBLK-CERFNET
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.0.0/16
IP Range: 192.215.0.0 - 192.215.255.255
Block size: 65,536
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Encyclopedia Brittanica
Network: CERFNET-6
Organization: Encyclopedia Brittanica
Location: United States United States
CIDR: 192.215.6.0/24
IP Range: 192.215.6.0 - 192.215.6.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-11
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.11.0/24
IP Range: 192.215.11.0 - 192.215.11.255
Block size: 256
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CERFnet
Network: CERFNET-12
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.12.0/24
IP Range: 192.215.12.0 - 192.215.12.255
Block size: 256
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CERFnet
Network: NTBLK-CERFNET-13
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.13.0/24
IP Range: 192.215.13.0 - 192.215.13.255
Block size: 256
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CERFnet
Network: CERFNET-15
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.15.0/24
IP Range: 192.215.15.0 - 192.215.15.255
Block size: 256
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CERFnet
Network: CERFNET-16
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.16.0/24
IP Range: 192.215.16.0 - 192.215.16.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-18
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.18.0/24
IP Range: 192.215.18.0 - 192.215.18.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-23
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.23.0/24
IP Range: 192.215.23.0 - 192.215.23.255
Block size: 256
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Cerfnet
Network: CERFNET-26
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.26.0/24
IP Range: 192.215.26.0 - 192.215.26.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-30
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.30.0/24
IP Range: 192.215.30.0 - 192.215.30.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-31
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.31.0/24
IP Range: 192.215.31.0 - 192.215.31.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-34
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.34.0/24
IP Range: 192.215.34.0 - 192.215.34.255
Block size: 256
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CERFnet
Network: NETBLK-CERFNET-35
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 192.215.35.0/24
IP Range: 192.215.35.0 - 192.215.35.255
Block size: 256
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Hitachi
Network: CERFNET-48
Organization: Hitachi Ltd
Location: United States United States
CIDR: 192.215.48.0/24
IP Range: 192.215.48.0 - 192.215.48.255
Block size: 256
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Lincom Corporation
Network: NETBLK-CERFNET-79
Organization: Lincom Corporation
Location: United States United States
CIDR: 192.215.78.0/23
IP Range: 192.215.79.0 - 192.215.80.255
Block size: 512
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The Mosaic Group
Network: CERFNET-82
Organization: The Mosaic Group
Location: United States United States
CIDR: 192.215.82.0/24
IP Range: 192.215.82.0 - 192.215.82.255
Block size: 256
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Mark V Systems Limited
Network: CERFNET-90
Organization: Mark V Systems Limited
Location: United States United States
CIDR: 192.215.90.0/24
IP Range: 192.215.90.0 - 192.215.90.255
Block size: 256
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Lincom Corporation
Network: CERFNET-94
Organization: Lincom Corporation
Location: United States United States
CIDR: 192.215.94.0/24
IP Range: 192.215.94.0 - 192.215.94.255
Block size: 256
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AT&T Enterprises, LLC
Network: NETBLK-CERFNET-CBLK2
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 199.104.0.0/14
IP Range: 199.105.0.0 - 199.108.255.255
Block size: 262,144
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FlexFab Horizons International, Inc
Network: CERFNET-FLEXFAB
Organization: FlexFab Horizons International, Inc
Location: United States United States
CIDR: 199.105.206.0/28
IP Range: 199.105.206.0 - 199.105.206.15
Block size: 16
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AT&T Enterprises, LLC
Network: CERFNET-BLK-206
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 206.16.0.0/14
IP Range: 206.16.0.0 - 206.19.255.255
Block size: 262,144
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AT&T Enterprises, LLC
Network: CERFNET-BLK-207
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 207.252.0.0/16
IP Range: 207.252.0.0 - 207.252.255.255
Block size: 65,536
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AT&T Enterprises, LLC
Network: CERFNET-BLK-3
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 209.186.0.0/15
IP Range: 209.186.0.0 - 209.187.255.255
Block size: 131,072
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AT&T Enterprises, LLC
Network: CERFNET-BLK-4
Organization: AT&T Enterprises, LLC
Location: United States United States
CIDR: 216.148.0.0/16
IP Range: 216.148.0.0 - 216.148.255.255
Block size: 65,536
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