United States Postal Service

IPv4 IPv6
Country United States United States
Assigned AS AS5774
Updated 02 March 2026

We found 66 IPv4 networks operated by this organization. The first 50 networks are displayed.

Results sorted by network size.

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United States United States Postal Service
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Network: USPS1
CIDR: N/A
IP Range: 56.203.0.0 - 56.207.255.255
Block size: 327,680
United States United States Postal Service
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Network: USPS1
CIDR: 56.72.0.0/14
IP Range: 56.75.0.0 - 56.78.255.255
Block size: 262,144
United States United States Postal Service
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Network: USPS1
CIDR: 56.140.0.0/14
IP Range: 56.140.0.0 - 56.143.255.255
Block size: 262,144
United States United States Postal Service
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Network: USPS1
CIDR: N/A
IP Range: 56.222.0.0 - 56.224.255.255
Block size: 196,608
United States United States Postal Service
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Network: USPS1
CIDR: 56.94.0.0/15
IP Range: 56.94.0.0 - 56.95.255.255
Block size: 131,072
United States United States Postal Service
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Network: USPS1
CIDR: 56.236.0.0/15
IP Range: 56.237.0.0 - 56.238.255.255
Block size: 131,072
United States United States Postal Service
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Network: USPS1
CIDR: 56.0.0.0/16
IP Range: 56.0.0.0 - 56.0.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.37.0.0/16
IP Range: 56.37.0.0 - 56.37.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.42.0.0/16
IP Range: 56.42.0.0 - 56.42.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.64.0.0/16
IP Range: 56.64.0.0 - 56.64.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.72.0.0/16
IP Range: 56.72.0.0 - 56.72.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.83.0.0/16
IP Range: 56.83.0.0 - 56.83.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.88.0.0/16
IP Range: 56.88.0.0 - 56.88.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.105.0.0/16
IP Range: 56.105.0.0 - 56.105.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.111.0.0/16
IP Range: 56.111.0.0 - 56.111.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.120.0.0/16
IP Range: 56.120.0.0 - 56.120.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.135.0.0/16
IP Range: 56.135.0.0 - 56.135.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.148.0.0/16
IP Range: 56.148.0.0 - 56.148.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.158.0.0/16
IP Range: 56.158.0.0 - 56.158.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.170.0.0/16
IP Range: 56.170.0.0 - 56.170.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.175.0.0/16
IP Range: 56.175.0.0 - 56.175.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.179.0.0/16
IP Range: 56.179.0.0 - 56.179.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.181.0.0/16
IP Range: 56.181.0.0 - 56.181.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.189.0.0/16
IP Range: 56.189.0.0 - 56.189.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.192.0.0/16
IP Range: 56.192.0.0 - 56.192.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.198.0.0/16
IP Range: 56.198.0.0 - 56.198.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.201.0.0/16
IP Range: 56.201.0.0 - 56.201.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.220.0.0/16
IP Range: 56.220.0.0 - 56.220.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.226.0.0/16
IP Range: 56.226.0.0 - 56.226.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.235.0.0/16
IP Range: 56.235.0.0 - 56.235.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.251.0.0/16
IP Range: 56.251.0.0 - 56.251.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS1
CIDR: 56.253.0.0/16
IP Range: 56.253.0.0 - 56.253.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPIS
CIDR: 170.214.0.0/16
IP Range: 170.214.0.0 - 170.214.255.255
Block size: 65,536
United States United States Postal Service
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Network: USPS-NET2
CIDR: 192.102.241.0/24
IP Range: 192.102.241.0 - 192.102.241.255
Block size: 256
United States United States Postal Service
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Network: USPS-NET
CIDR: 192.149.223.0/24
IP Range: 192.149.223.0 - 192.149.223.255
Block size: 256
United States United States Postal Service
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Network: USPS-NET3
CIDR: 198.116.37.0/24
IP Range: 198.116.37.0 - 198.116.37.255
Block size: 256
United States United States Postal Service
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Network: USPS-NET4
CIDR: 198.120.14.0/24
IP Range: 198.120.14.0 - 198.120.14.255
Block size: 256
United States United States Postal Service
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Network: Q1111-63-148-204-248
CIDR: 63.148.204.248/29
IP Range: 63.148.204.248 - 63.148.204.255
Block size: 8
United States US Postal Service
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Network: SBC06414806200029050705231224
CIDR: 64.148.62.0/29
IP Range: 64.148.62.0 - 64.148.62.7
Block size: 8
United States US Postal Service
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Network: HTSPVA-USPS-TDSNET-NETBLK
CIDR: 66.222.98.8/29
IP Range: 66.222.98.8 - 66.222.98.15
Block size: 8
United States US Postal Service
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Network: IGOCA-USPS-TDSNET-NETBLK
CIDR: 69.21.15.224/29
IP Range: 69.21.15.224 - 69.21.15.231
Block size: 8
United States United States Postal Service
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Network: SLKMWA-USPS2-TDSNET-NETBLK
CIDR: 69.21.80.240/29
IP Range: 69.21.80.240 - 69.21.80.247
Block size: 8
United States United States Postal Service
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Network: MSRKWA-USPS-TDSNET-NETBLK
CIDR: 69.21.80.248/29
IP Range: 69.21.80.248 - 69.21.80.255
Block size: 8
United States US Postal Service
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Network: SBC06923902811229050627232932
CIDR: 69.239.28.112/29
IP Range: 69.239.28.112 - 69.239.28.119
Block size: 8
United States US Postal Service
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Network: SBC07012805212029050815231055
CIDR: 70.128.52.120/29
IP Range: 70.128.52.120 - 70.128.52.127
Block size: 8
United States US Postal Service
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Network: SBC07013622819229060124022012
CIDR: 70.136.228.192/29
IP Range: 70.136.228.192 - 70.136.228.199
Block size: 8
United States US Postal Service
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Network: SBC07013724008829051112020913
CIDR: 70.137.240.88/29
IP Range: 70.137.240.88 - 70.137.240.95
Block size: 8
United States US Postal Service
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Network: SBC07013724010429051112021556
CIDR: 70.137.240.104/29
IP Range: 70.137.240.104 - 70.137.240.111
Block size: 8
United States US Postal Service
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Network: SBC07024523115229050716051914
CIDR: 70.245.231.152/29
IP Range: 70.245.231.152 - 70.245.231.159
Block size: 8
United States US Postal Service
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Network: SBC07024713317629050719000949
CIDR: 70.247.133.176/29
IP Range: 70.247.133.176 - 70.247.133.183
Block size: 8
16 more networks >>

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