Comcast Cable Communications Holdings, Inc

IPv4 IPv6
Country United States United States
Assigned AS N/A
Updated 05 October 2026

We found 89 IPv4 networks operated by this organization. The first 50 networks are displayed.

Results sorted by network size.

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United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-4
CIDR: 24.60.0.0/15
IP Range: 24.60.0.0 - 24.61.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-5
CIDR: 24.62.0.0/15
IP Range: 24.62.0.0 - 24.63.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: PENNSYLVANIA-4
CIDR: 71.60.0.0/15
IP Range: 71.60.0.0 - 71.61.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: MEMPHIS-1
CIDR: 75.64.0.0/15
IP Range: 75.64.0.0 - 75.65.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: BOSTON-11
CIDR: 75.68.0.0/15
IP Range: 75.68.0.0 - 75.69.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: COLORADO-23
CIDR: 75.70.0.0/15
IP Range: 75.70.0.0 - 75.71.255.255
Block size: 131,072
United States Comcast Cable Communications Holdings, Inc
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Network: ATLANTA-CPE-44
CIDR: 24.98.0.0/16
IP Range: 24.98.0.0 - 24.98.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: ATLANTA-CPE-45
CIDR: 24.99.0.0/16
IP Range: 24.99.0.0 - 24.99.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: MICHIGAN-63
CIDR: 24.127.0.0/16
IP Range: 24.127.0.0 - 24.127.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: BAYAREA-CPE-30
CIDR: 24.130.0.0/16
IP Range: 24.130.0.0 - 24.130.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-16
CIDR: 66.30.0.0/16
IP Range: 66.30.0.0 - 66.30.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-17
CIDR: 66.31.0.0/16
IP Range: 66.31.0.0 - 66.31.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: MIAMI-3
CIDR: 66.176.0.0/16
IP Range: 66.176.0.0 - 66.176.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: SFBA-20
CIDR: 69.181.0.0/16
IP Range: 69.181.0.0 - 69.181.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: RICHMOND-28
CIDR: 71.62.0.0/16
IP Range: 71.62.0.0 - 71.62.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: MEMPHIS-2
CIDR: 75.66.0.0/16
IP Range: 75.66.0.0 - 75.66.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: BOSTON-12
CIDR: 75.67.0.0/16
IP Range: 75.67.0.0 - 75.67.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-12
CIDR: 75.72.0.0/16
IP Range: 75.72.0.0 - 75.72.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-19
CIDR: 75.73.0.0/16
IP Range: 75.73.0.0 - 75.73.255.255
Block size: 65,536
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-2
CIDR: 24.34.0.0/17
IP Range: 24.34.0.0 - 24.34.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-3
CIDR: 24.34.128.0/17
IP Range: 24.34.128.0 - 24.34.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-6
CIDR: 24.91.0.0/17
IP Range: 24.91.0.0 - 24.91.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-7
CIDR: 24.91.128.0/17
IP Range: 24.91.128.0 - 24.91.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-1
CIDR: 24.118.0.0/17
IP Range: 24.118.0.0 - 24.118.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-16
CIDR: 24.118.128.0/17
IP Range: 24.118.128.0 - 24.118.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: DC-26
CIDR: 24.126.0.0/17
IP Range: 24.126.0.0 - 24.126.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: ATLANTA-CPE-40
CIDR: 24.126.128.0/17
IP Range: 24.126.128.0 - 24.126.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-9
CIDR: 24.128.128.0/17
IP Range: 24.128.128.0 - 24.128.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-10
CIDR: 24.147.0.0/17
IP Range: 24.147.0.0 - 24.147.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-11
CIDR: 24.147.128.0/17
IP Range: 24.147.128.0 - 24.147.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-12
CIDR: 24.218.0.0/17
IP Range: 24.218.0.0 - 24.218.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: NEW-ENGLAND-13
CIDR: 24.218.128.0/17
IP Range: 24.218.128.0 - 24.218.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-7
CIDR: 66.41.0.0/17
IP Range: 66.41.0.0 - 66.41.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-18
CIDR: 66.41.128.0/17
IP Range: 66.41.128.0 - 66.41.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MIAMI-21
CIDR: 66.229.0.0/17
IP Range: 66.229.0.0 - 66.229.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MIAMI-22
CIDR: 66.229.128.0/17
IP Range: 66.229.128.0 - 66.229.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: ATLANTA-CPE-13
CIDR: 71.56.0.0/17
IP Range: 71.56.0.0 - 71.56.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: CHICAGO-CPE-17
CIDR: 71.57.0.0/17
IP Range: 71.57.0.0 - 71.57.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: CPA-6
CIDR: 71.58.128.0/17
IP Range: 71.58.128.0 - 71.58.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: OREGON-21
CIDR: 71.59.128.0/17
IP Range: 71.59.128.0 - 71.59.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: RICHMOND-29
CIDR: 71.63.0.0/17
IP Range: 71.63.0.0 - 71.63.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: BEAVERTON-6
CIDR: 71.63.128.0/17
IP Range: 71.63.128.0 - 71.63.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: CENTRALCALI-CPE-4
CIDR: 73.48.128.0/17
IP Range: 73.48.128.0 - 73.48.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MEMPHIS-9
CIDR: 73.177.0.0/17
IP Range: 73.177.0.0 - 73.177.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MIAMI-23
CIDR: 75.74.0.0/17
IP Range: 75.74.0.0 - 75.74.127.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: MIAMI-24
CIDR: 75.74.128.0/17
IP Range: 75.74.128.0 - 75.74.255.255
Block size: 32,768
United States Comcast Cable Communications Holdings, Inc
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Network: ATLANTA-CPE-2
CIDR: 24.30.0.0/18
IP Range: 24.30.0.0 - 24.30.63.255
Block size: 16,384
United States Comcast Cable Communications Holdings, Inc
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Network: PENNSYLVANIA-3
CIDR: 24.131.64.0/18
IP Range: 24.131.64.0 - 24.131.127.255
Block size: 16,384
United States Comcast Cable Communications Holdings, Inc
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Network: MINNESOTA-11
CIDR: 24.131.128.0/18
IP Range: 24.131.128.0 - 24.131.191.255
Block size: 16,384
United States Comcast Cable Communications Holdings, Inc
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Network: PENNSYLVANIA-2
CIDR: 24.131.192.0/18
IP Range: 24.131.192.0 - 24.131.255.255
Block size: 16,384
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