TW Telecom Holdings, Inc

IPv4 IPv6

Country: United States United States

Assigned AS: AS3508, AS3831, AS4323, AS7037, AS22026
Updated: 03 July 2020

We found 88 IPv4 networks operated by this organization:
Results sorted by network size.

United States TW Telecom Holdings, Inc
TWTC

CIDR: 35.248.0.0/13
IP Range: 35.248.0.0 - 35.255.255.255
Block size: 524,288

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-4

CIDR: 66.192.0.0/14
IP Range: 66.192.0.0 - 66.195.255.255
Block size: 262,144

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-17

CIDR: 174.46.0.0/15
IP Range: 174.46.0.0 - 174.47.255.255
Block size: 131,072

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-9

CIDR: 74.202.0.0/15
IP Range: 74.202.0.0 - 74.203.255.255
Block size: 131,072

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-18

CIDR: 173.226.0.0/15
IP Range: 173.226.0.0 - 173.227.255.255
Block size: 131,072

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-11

CIDR: 64.128.0.0/15
IP Range: 64.128.0.0 - 64.129.255.255
Block size: 131,072

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-19

CIDR: 50.58.0.0/15
IP Range: 50.58.0.0 - 50.59.255.255
Block size: 131,072

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United States TW Telecom Holdings, Inc
TWTELECOM-COM

CIDR: 168.215.0.0/16
IP Range: 168.215.0.0 - 168.215.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-10

CIDR: 97.65.0.0/16
IP Range: 97.65.0.0 - 97.65.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-3

CIDR: 66.162.0.0/16
IP Range: 66.162.0.0 - 66.162.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-6

CIDR: 207.250.0.0/16
IP Range: 207.250.0.0 - 207.250.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
NETBLK-TWTC-NETBLK-1

CIDR: 64.132.0.0/16
IP Range: 64.132.0.0 - 64.132.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-7

CIDR: 206.169.0.0/16
IP Range: 206.169.0.0 - 206.169.255.255
Block size: 65,536

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-1

CIDR: 216.54.128.0/17
IP Range: 216.54.128.0 - 216.54.255.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-12

CIDR: 209.163.128.0/17
IP Range: 209.163.128.0 - 209.163.255.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-7

CIDR: 216.136.0.0/17
IP Range: 216.136.0.0 - 216.136.127.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-5

CIDR: 207.67.0.0/17
IP Range: 207.67.0.0 - 207.67.127.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-5

CIDR: 207.114.128.0/17
IP Range: 207.114.128.0 - 207.114.255.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-16

CIDR: 207.235.0.0/17
IP Range: 207.235.0.0 - 207.235.127.255
Block size: 32,768

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-13

CIDR: N/A
IP Range: 216.110.0.0 - 216.110.95.255
Block size: 24,576

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-8

CIDR: N/A
IP Range: 209.234.128.0 - 209.234.223.255
Block size: 24,576

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-15

CIDR: 204.57.64.0/18
IP Range: 204.57.64.0 - 204.57.127.255
Block size: 16,384

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-8

CIDR: 216.64.128.0/18
IP Range: 216.64.128.0 - 216.64.191.255
Block size: 16,384

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-8

CIDR: 209.203.64.0/18
IP Range: 209.203.64.0 - 209.203.127.255
Block size: 16,384

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-14

CIDR: 207.71.0.0/18
IP Range: 207.71.0.0 - 207.71.63.255
Block size: 16,384

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-8

CIDR: 207.170.192.0/18
IP Range: 207.170.192.0 - 207.170.255.255
Block size: 16,384

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-8

CIDR: 209.150.64.0/19
IP Range: 209.150.64.0 - 209.150.95.255
Block size: 8,192

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United States TW Telecom Holdings, Inc
TWTC-BLOCK-03

CIDR: 216.136.96.0/19
IP Range: 216.136.96.0 - 216.136.127.255
Block size: 8,192

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-2

CIDR: 206.15.64.0/19
IP Range: 206.15.64.0 - 206.15.95.255
Block size: 8,192

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-7

CIDR: 206.80.0.0/19
IP Range: 206.80.0.0 - 206.80.31.255
Block size: 8,192

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-5

CIDR: 206.190.64.0/19
IP Range: 206.190.64.0 - 206.190.95.255
Block size: 8,192

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United States ADAN Technologies
TWTC-MMPH-C-ADAN-00

CIDR: 66.193.60.0/23
IP Range: 66.193.60.0 - 66.193.61.255
Block size: 512

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United States TW Telecom Holdings, Inc
FIBRCOM-ADM

CIDR: 204.17.217.0/24
IP Range: 204.17.217.0 - 204.17.217.255
Block size: 256

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United States WE Care Wireless Networks
TWTC-NETBLK-5

CIDR: 207.114.213.0/24
IP Range: 207.114.213.0 - 207.114.213.255
Block size: 256

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United States ADAN Technologies
TWTC-ADA2

CIDR: 66.195.123.0/24
IP Range: 66.195.123.0 - 66.195.123.255
Block size: 256

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-5

CIDR: 199.74.141.0/24
IP Range: 199.74.141.0 - 199.74.141.255
Block size: 256

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United States TW Telecom Holdings, Inc
TWTC-NETBLK-5

CIDR: 199.181.251.0/24
IP Range: 199.181.251.0 - 199.181.251.255
Block size: 256

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United States TW Telecom Holdings, Inc
INCNET-CHRL-CHDS3-CAE

CIDR: 206.230.198.0/24
IP Range: 206.230.198.0 - 206.230.198.255
Block size: 256

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CIDR: 174.46.157.0/25
IP Range: 174.46.157.0 - 174.46.157.127
Block size: 128

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United States Bill Earlywire
GOSPEL-LIGHT-1000

CIDR: 207.114.204.0/25
IP Range: 207.114.204.0 - 207.114.204.127
Block size: 128

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CIDR: 207.170.222.0/25
IP Range: 207.170.222.0 - 207.170.222.127
Block size: 128

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United States David Lopes
HMSA-5000

CIDR: 64.128.4.0/25
IP Range: 64.128.4.0 - 64.128.4.127
Block size: 128

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United States TW Telecom Holdings, Inc
UU-63-64-17-64

CIDR: 63.64.17.64/26
IP Range: 63.64.17.64 - 63.64.17.127
Block size: 64

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CIDR: 66.162.240.128/26
IP Range: 66.162.240.128 - 66.162.240.191
Block size: 64

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United States TW Telecom Holdings, Inc
UU-63-96-72-192

CIDR: 63.96.72.192/26
IP Range: 63.96.72.192 - 63.96.72.255
Block size: 64

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United States Shelby Systems
TWTC-SSE4

CIDR: 66.194.155.64/26
IP Range: 66.194.155.64 - 66.194.155.127
Block size: 64

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United States Lone Star Infrastructure
TWTC-LSI-06

CIDR: 207.235.47.128/26
IP Range: 207.235.47.128 - 207.235.47.191
Block size: 64

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United States David Leeming
SHARTSIS-FRIESE-LLP-1000

CIDR: 206.80.4.192/26
IP Range: 206.80.4.192 - 206.80.4.255
Block size: 64

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United States TW Telecom Holdings, Inc
UU-65-196-171

CIDR: 65.196.171.0/26
IP Range: 65.196.171.0 - 65.196.171.63
Block size: 64

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CIDR: 207.170.225.128/27
IP Range: 207.170.225.128 - 207.170.225.159
Block size: 32

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United States Jonathan Engel
ELEKTROBIT-1000

CIDR: 207.170.229.64/27
IP Range: 207.170.229.64 - 207.170.229.95
Block size: 32

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CIDR: 66.162.7.0/27
IP Range: 66.162.7.0 - 66.162.7.31
Block size: 32

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United States Jared Reimer
DATAWEB-1000

CIDR: 66.162.133.96/27
IP Range: 66.162.133.97 - 66.162.133.128
Block size: 32

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United States Chris Mellas
SNITZER-NORTHWEST-1000

CIDR: 66.194.74.64/27
IP Range: 66.194.74.64 - 66.194.74.95
Block size: 32

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CIDR: 64.132.251.64/27
IP Range: 64.132.251.64 - 64.132.251.95
Block size: 32

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CIDR: 206.80.4.128/27
IP Range: 206.80.4.128 - 206.80.4.159
Block size: 32

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CIDR: 206.169.110.64/27
IP Range: 206.169.110.64 - 206.169.110.95
Block size: 32

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United States TW Telecom Holdings, Inc
NET-209-41-87-224-SLASH-28

CIDR: 209.41.87.224/28
IP Range: 209.41.87.224 - 209.41.87.239
Block size: 16

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CIDR: 207.71.41.224/28
IP Range: 207.71.41.224 - 207.71.41.239
Block size: 16

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CIDR: 66.162.133.80/28
IP Range: 66.162.133.80 - 66.162.133.95
Block size: 16

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United States Jason Hahn
TETRA-TECH-1000

CIDR: 66.162.141.16/28
IP Range: 66.162.141.16 - 66.162.141.31
Block size: 16

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United States JIM Clevenger
EBERLINE-SERVICES-1000

CIDR: 66.162.147.32/28
IP Range: 66.162.147.32 - 66.162.147.47
Block size: 16

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United States Harris Interactive
TWTC-HAI-01

CIDR: 66.192.38.176/28
IP Range: 66.192.38.176 - 66.192.38.191
Block size: 16

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United States Ross Funimoto
ISLAND-AIR-1000

CIDR: 66.193.152.208/28
IP Range: 66.193.152.208 - 66.193.152.223
Block size: 16

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CIDR: 66.195.233.128/28
IP Range: 66.195.233.128 - 66.195.233.143
Block size: 16

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United States Mark Kong
MARYL-GROUP-1000

CIDR: 64.128.15.128/28
IP Range: 64.128.15.128 - 64.128.15.143
Block size: 16

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United States Mark Kong
MARYL-GROUP-1001

CIDR: 64.128.15.144/28
IP Range: 64.128.15.144 - 64.128.15.159
Block size: 16

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CIDR: 64.128.15.160/28
IP Range: 64.128.15.160 - 64.128.15.175
Block size: 16

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United States Harry Bender
CSX-TECHNOLOGY-1004

CIDR: 64.132.82.80/28
IP Range: 64.132.82.80 - 64.132.82.95
Block size: 16

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United States Harris Seeds
TWTC-HSE-01

CIDR: 64.132.216.128/28
IP Range: 64.132.216.128 - 64.132.216.143
Block size: 16

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CIDR: 206.80.23.240/28
IP Range: 206.80.23.240 - 206.80.23.255
Block size: 16

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United States TW Telecom Holdings, Inc
FPLFI-DUOSTECHNO-DIA-120710-1

CIDR: 170.55.9.64/29
IP Range: 170.55.9.64 - 170.55.9.71
Block size: 8

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United States TW Telecom Holdings, Inc
FPLFI-DUOSTECHNO-DIA-120710-2

CIDR: 170.55.160.16/29
IP Range: 170.55.160.16 - 170.55.160.23
Block size: 8

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United States Weston Companies
TWTC-MMPH-C-WESTONC-0

CIDR: 216.54.199.224/29
IP Range: 216.54.199.224 - 216.54.199.231
Block size: 8

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CIDR: 209.234.129.216/29
IP Range: 209.234.129.216 - 209.234.129.223
Block size: 8

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United States Forest Products
TWTC-TAMQ-C-FORESTP-0

CIDR: 66.162.18.0/29
IP Range: 66.162.18.0 - 66.162.18.7
Block size: 8

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United States AL Bailey
GTX-INC-1000

CIDR: 66.162.137.104/29
IP Range: 66.162.137.104 - 66.162.137.111
Block size: 8

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CIDR: 66.162.145.224/29
IP Range: 66.162.145.224 - 66.162.145.231
Block size: 8

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United States Royal Baths
TWTC-ROB-01

CIDR: 66.162.213.32/29
IP Range: 66.162.213.32 - 66.162.213.39
Block size: 8

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United States Michael Sasaki
PACIFIC-RIM-BANK-1000

CIDR: 66.162.245.192/29
IP Range: 66.162.245.192 - 66.162.245.199
Block size: 8

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CIDR: 66.162.249.208/29
IP Range: 66.162.249.208 - 66.162.249.215
Block size: 8

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CIDR: 66.162.249.216/29
IP Range: 66.162.249.216 - 66.162.249.223
Block size: 8

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United States Charlotte Radiology
TWTC-CHRL-C-CHARLOTTERADIOLOGY-0

CIDR: 64.128.43.152/29
IP Range: 64.128.43.152 - 64.128.43.159
Block size: 8

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CIDR: 64.132.251.96/29
IP Range: 64.132.251.96 - 64.132.251.103
Block size: 8

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CIDR: 206.169.2.24/29
IP Range: 206.169.2.24 - 206.169.2.31
Block size: 8

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United States Brian Dawaon
SPEAKEASY-INC-1000

CIDR: 206.169.112.80/29
IP Range: 206.169.112.80 - 206.169.112.87
Block size: 8

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CIDR: 206.169.130.192/29
IP Range: 206.169.130.192 - 206.169.130.199
Block size: 8

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United States Kelly Goodwin
HOOKED-2

SEATTLE

CIDR: 206.169.198.192/29
IP Range: 206.169.198.192 - 206.169.198.199
Block size: 8

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