ESnet

IPv4 IPv6
Country United States United States
Assigned AS AS291, AS292, AS293, AS3425, AS3426, AS3427, AS3428, AS3429, AS3430, AS3431, AS3432, AS3433, AS3434, AS3435, AS3436, AS3437, AS3438, AS3439, AS3440, AS3441, AS3442, AS3443, AS3444, AS3445
Updated 02 September 2026

We found 16 IPv4 networks operated by this organization.
Results sorted by network size.

United States ESnet
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Network: ESNET-CIDR-A
CIDR: 198.124.0.0/14
IP Range: 198.124.0.0 - 198.127.255.255
Block size: 262,144
United States ESnet
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Network: ESNET-CIDR-B
CIDR: 198.128.0.0/14
IP Range: 198.128.0.0 - 198.131.255.255
Block size: 262,144
United States ESnet
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Network: ESNET
CIDR: 134.55.0.0/16
IP Range: 134.55.0.0 - 134.55.255.255
Block size: 65,536
United States ESnet
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Network: ESNET-BLOCK3
CIDR: N/A
IP Range: 192.188.22.0 - 192.188.41.255
Block size: 5,120
United States ESnet
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Network: ESNET-BLOCK2
CIDR: N/A
IP Range: 192.124.50.0 - 192.124.59.255
Block size: 2,560
United States ESnet
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Network: ESNET-DOENET-SITES
CIDR: 192.188.24.0/22
IP Range: 192.188.24.0 - 192.188.27.255
Block size: 1,024
United States ESnet
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Network: ESNET-192-74-214
CIDR: 192.74.214.0/23
IP Range: 192.74.214.0 - 192.74.215.255
Block size: 512
United States Ligo
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Network: LIGO-WA
CIDR: 198.129.208.0/23
IP Range: 198.129.208.0 - 198.129.209.255
Block size: 512
United States ESnet
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Network: ESNET-192-74-210
CIDR: 192.74.210.0/24
IP Range: 192.74.210.0 - 192.74.210.255
Block size: 256
United States ESnet
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Network: ESNET-192-74-211
CIDR: 192.74.211.0/24
IP Range: 192.74.211.0 - 192.74.211.255
Block size: 256
United States ESnet
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Network: ESNET-192-74-212
CIDR: 192.74.212.0/24
IP Range: 192.74.212.0 - 192.74.212.255
Block size: 256
United States ESnet
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Network: ESNET-192-74-217
CIDR: 192.74.217.0/24
IP Range: 192.74.217.0 - 192.74.217.255
Block size: 256
United States Icsi
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Network: ICSI-ESNET
CIDR: 198.128.50.0/24
IP Range: 198.128.50.0 - 198.128.50.255
Block size: 256
United States Honeywell FM&T/NM
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Network: HONEYWELL-FMT-KO-2
CIDR: 198.129.212.0/24
IP Range: 198.129.212.0 - 198.129.212.255
Block size: 256
United States Honeywell FM&T/NM
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Network: HONEYWELL-FMT-KO-3
CIDR: 198.129.213.0/24
IP Range: 198.129.213.0 - 198.129.213.255
Block size: 256
United States Honeywell FM&T/NM
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Network: HONEYWELL-FMT-KO-1
CIDR: 198.129.224.64/28
IP Range: 198.129.224.64 - 198.129.224.79
Block size: 16

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