AS12271 — TWC-12271-NYC
Network type: residential
AS12271 announces 168 IPv4 prefixes covering 2,859,008 addresses and 13 IPv6 prefixes.
About this network
A Charter Communications network inherited from Bright House Networks, now part of the Spectrum broadband footprint in Florida.
What it's used for
- Cable home internet for residential Spectrum subscribers, concentrated in central Florida (the Tampa/Orlando area).
Notable
- An "eyeball" network: addresses here are home connections, commonly behind carrier-grade NAT, not servers.
- Bright House was acquired by Charter in 2016 and folded into Spectrum; this ASN now rolls up to Charter alongside the legacy Time Warner Cable networks such as AS11351.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 23.246.64.0/18
- 24.29.96.0/19
- 24.29.128.0/19
- 24.30.224.0/20
- 24.39.104.0/21
- 24.39.112.0/20
- 24.39.128.0/19
- 24.90.0.0/16
- 24.97.123.0/24
- 24.97.124.0/22
- 24.97.184.0/23
- 24.97.200.0/21
- 24.102.64.0/18
- 24.103.0.0/17
- 24.103.224.0/19
- 24.104.192.0/18
- 24.105.128.0/19
- 24.136.96.0/19
- 24.161.0.0/17
- 24.164.128.0/18
- 24.168.0.0/17
- 24.168.128.0/19
- 24.193.0.0/16
- 24.213.160.0/20
- 24.213.176.0/21
- 47.230.0.0/16
- 50.74.0.0/18
- 50.74.64.0/20
- 50.74.80.0/23
- 50.74.82.0/24
- 50.74.84.0/22
- 50.74.88.0/21
- 50.74.96.0/19
- 50.74.128.0/17
- 50.75.192.0/18
- 65.86.104.0/21
- 66.65.0.0/17
- 66.65.128.0/18
- 66.93.136.0/21
- 66.108.0.0/16
- 66.110.97.0/24
- 67.243.0.0/16
- 67.244.0.0/19
- 67.244.64.0/18
- 67.245.0.0/16
- 67.247.0.0/18
- 67.247.96.0/19
- 67.250.0.0/16
- 67.251.128.0/19
- 67.251.192.0/18
- 67.254.0.0/16
- 68.165.184.0/21
- 68.172.208.0/20
- 68.172.224.0/19
- 68.173.0.0/16
- 68.174.0.0/16
- 68.175.0.0/17
- 69.193.128.0/17
- 69.200.64.0/19
- 69.200.224.0/19
- 69.201.128.0/17
- 69.202.128.0/17
- 69.203.0.0/17
- 69.203.128.0/19
- 69.203.192.0/18
- 69.204.224.0/19
- 69.206.0.0/16
- 72.43.96.0/20
- 72.43.112.0/21
- 72.43.120.0/22
- 72.43.125.0/24
- 72.43.126.0/23
- 72.43.128.0/18
- 72.225.64.0/18
- 72.225.128.0/17
- 72.226.0.0/17
- 72.227.128.0/17
- 72.229.0.0/16
- 72.231.0.0/17
- 74.0.136.0/21
- 74.64.0.0/16
- 74.65.192.0/18
- 74.66.0.0/16
- 74.68.0.0/16
- 74.71.0.0/16
- 74.72.0.0/15
- 76.58.52.0/23
- 98.0.128.0/20
- 98.0.144.0/21
- 98.0.152.0/23
- 98.0.155.0/24
- 98.0.156.0/22
- 98.0.160.0/19
- 98.0.192.0/19
- 98.0.224.0/21
- 98.0.232.0/22
- 98.0.237.0/24
- 98.0.238.0/23
- 98.0.240.0/20
- 98.7.0.0/17
and 81 more.
Upstream networks
Downstream networks
- AS31869 LL Bean
- AS22252 The City of New York
- AS36100 MTC Broadband, Inc.
- AS19796 Shubert Organization, Inc.
- AS393753 The Brooklyn Hospital Center
- AS54226 SUNY College of Optometry
- AS18564 St. John's University, New York
- AS18694 Sappi Fine Paper North America
- AS395095 Orange Regional Medical Center
- AS54113 Fastly, Inc.
- AS14478 Recurse Center
- AS22303 State University of New York at New Paltz
- AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- AS55123 Brilliant Jewelers/MJJ Inc.
- AS16770 Astoria Generating Company, L.P.
- AS46765 Liberum Capital Inc.
- AS32730 LG CNS America Inc.
- AS27185 Danbury Hospital - ITG
- AS25816 Touro College
- AS402494 Bartlett
- AS402355 Visentry
- AS401827 UNFCU
- AS395060 Macmillan Publishers Inc
- AS14465 HITN
- AS23325 Magnitude Capital, LLC
Adjacent networks
- AS7843 Charter Communications Inc
- AS31869 LL Bean
- AS22252 The City of New York
- AS36100 MTC Broadband, Inc.
- AS19796 Shubert Organization, Inc.
- AS54226 SUNY College of Optometry
- AS393753 The Brooklyn Hospital Center
- AS18564 St. John's University, New York
- AS18694 Sappi Fine Paper North America
- AS395095 Orange Regional Medical Center
- AS54113 Fastly, Inc.
- AS14478 Recurse Center
- AS22303 State University of New York at New Paltz
- AS20252 Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- AS16770 Astoria Generating Company, L.P.
- AS402355 Visentry
- AS27185 Danbury Hospital - ITG
- AS401827 UNFCU
- AS32730 LG CNS America Inc.
- AS402494 Bartlett
- AS46765 Liberum Capital Inc.
- AS25816 Touro College
- AS55123 Brilliant Jewelers/MJJ Inc.
- AS395060 Macmillan Publishers Inc
- AS14465 HITN
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IPv4 Prefixes
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