Cogent Communications Inc

IPv4 IPv6

Updated: 03 July 2020

We found 60 IPv4 networks operated by this organization:
Results sorted by network size.

United States Cogent Communications
COGENT-FNSI-0005

CIDR: 216.28.0.0/15
IP Range: 216.28.0.0 - 216.29.255.255
Block size: 131,072

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United States Cogent Communications
COGENT-NB-0000

CIDR: 66.28.0.0/16
IP Range: 66.28.0.0 - 66.28.255.255
Block size: 65,536

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United States Cogent Communications
COGENT-NB-0001

CIDR: 66.250.0.0/16
IP Range: 66.250.0.0 - 66.250.255.255
Block size: 65,536

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United States Cogent Communications
COGENT-FNSI-0004

CIDR: 209.115.0.0/17
IP Range: 209.115.0.0 - 209.115.127.255
Block size: 32,768

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United States Cogent Communications
COGENT-IDCI-0001

CIDR: 209.146.0.0/17
IP Range: 209.146.0.0 - 209.146.127.255
Block size: 32,768

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United States Cogent Communications
COGENT-FNSI-0001

CIDR: 66.132.0.0/17
IP Range: 66.132.0.0 - 66.132.127.255
Block size: 32,768

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United States Cogent Communications
TELALINK-BLKB

CIDR: 207.234.0.0/17
IP Range: 207.234.0.0 - 207.234.127.255
Block size: 32,768

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United States Cogent Communications
COGENT-FNSI-0003

CIDR: 209.41.192.0/18
IP Range: 209.41.192.0 - 209.41.255.255
Block size: 16,384

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United States Cogent Communications
TELALINK-BLKA

CIDR: 207.152.0.0/18
IP Range: 207.152.0.0 - 207.152.63.255
Block size: 16,384

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United States Cogent Communications
COGENT-ANET-0007

CIDR: 216.177.96.0/19
IP Range: 216.177.96.0 - 216.177.127.255
Block size: 8,192

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United States Cogent Communications
COGENT-ANET-0004

CIDR: 66.102.96.0/19
IP Range: 66.102.96.0 - 66.102.127.255
Block size: 8,192

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United States Cogent Communications
COGENT-ANET-0001

CIDR: 64.4.192.0/19
IP Range: 64.4.192.0 - 64.4.223.255
Block size: 8,192

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United States Cogent Communications
COGENT-ANET-0005

CIDR: 207.230.0.0/19
IP Range: 207.230.0.0 - 207.230.31.255
Block size: 8,192

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United States Cogent Communications
COGENT-UFO-0001

CIDR: 64.202.0.0/19
IP Range: 64.202.0.0 - 64.202.31.255
Block size: 8,192

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United States Cogent Communications
COGENT-ANET-0002

CIDR: 64.254.192.0/19
IP Range: 64.254.192.0 - 64.254.223.255
Block size: 8,192

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United States Cogent Communications
COGENT-FNSI-0002

CIDR: 206.183.224.0/19
IP Range: 206.183.224.0 - 206.183.255.255
Block size: 8,192

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United States Cogent Communications
COGENT-ARC-0002

CIDR: 209.17.96.0/20
IP Range: 209.17.96.0 - 209.17.111.255
Block size: 4,096

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United States Cogent Communications
COGENT-ANET-0006

CIDR: 216.55.80.0/20
IP Range: 216.55.80.0 - 216.55.95.255
Block size: 4,096

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United States Cogent Communications
COGENT-ARC-0003

CIDR: 216.168.64.0/20
IP Range: 216.168.64.0 - 216.168.79.255
Block size: 4,096

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United States Cogent Communications
COGENT-ANET-0003

CIDR: 66.71.224.0/20
IP Range: 66.71.224.0 - 66.71.239.255
Block size: 4,096

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United States Cogent Communications
COGENT-ANET-0008

CIDR: 216.229.128.0/20
IP Range: 216.229.128.0 - 216.229.143.255
Block size: 4,096

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United States Cogent Communications
COGENT-ARC-0001

CIDR: 64.17.48.0/20
IP Range: 64.17.48.0 - 64.17.63.255
Block size: 4,096

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United States Cogent Communications
COGENT-IDCI-0002

CIDR: 207.254.144.0/20
IP Range: 207.254.144.0 - 207.254.159.255
Block size: 4,096

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United States Donald McCormick
LADYNET-CF982300

CIDR: 207.152.35.0/24
IP Range: 207.152.35.0 - 207.152.35.255
Block size: 256

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United States Cogent Communications
COGNET-CHI-165

CIDR: 66.213.165.0/24
IP Range: 66.213.165.0 - 66.213.165.255
Block size: 256

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United States Cogent Communications
COGNET-CHI-166

CIDR: 66.213.166.0/24
IP Range: 66.213.166.0 - 66.213.166.255
Block size: 256

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United States Dick DeRoberts
FNSI-CBLK5-178-A

CIDR: 216.28.178.0/27
IP Range: 216.28.178.0 - 216.28.178.31
Block size: 32

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United States Michael Goldan
F-216-28-201-224-M27

CIDR: 216.28.201.224/27
IP Range: 216.28.201.224 - 216.28.201.255
Block size: 32

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United States Cogent Communications Inc
QTS-209-73-210-208-28

CIDR: 209.73.210.208/28
IP Range: 209.73.210.208 - 209.73.210.223
Block size: 16

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United States Internet Access Affiliates
F-216-28-237-0-M28

CIDR: 216.28.237.0/28
IP Range: 216.28.237.0 - 216.28.237.15
Block size: 16

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United States Internet Access Affiliates
F-216-28-237-16-M28

CIDR: 216.28.237.16/28
IP Range: 216.28.237.16 - 216.28.237.31
Block size: 16

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United States Chuck Maynard
F-216-28-247-112-M28

CIDR: 216.28.247.112/28
IP Range: 216.28.247.112 - 216.28.247.127
Block size: 16

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United States Jerry Flavors.com
F-216-29-41-128-M28

CIDR: 216.29.41.128/28
IP Range: 216.29.41.128 - 216.29.41.143
Block size: 16

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United States Brent Beatty
F-216-29-97-16-M28

CIDR: 216.29.97.16/28
IP Range: 216.29.97.16 - 216.29.97.31
Block size: 16

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United States Amanda Costanza
TELA-19981104-20

CIDR: 207.234.7.240/28
IP Range: 207.234.7.240 - 207.234.7.255
Block size: 16

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United States Bill Butler
BUTLER-CFEA2201

CIDR: 207.234.34.0/28
IP Range: 207.234.34.0 - 207.234.34.15
Block size: 16

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United States Brett Duncavage
RAD-CFEA2270

CIDR: 207.234.34.112/28
IP Range: 207.234.34.112 - 207.234.34.127
Block size: 16

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United States Douglas Gallager
DGALL-CFEA22F0

CIDR: 207.234.34.240/28
IP Range: 207.234.34.240 - 207.234.34.255
Block size: 16

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United States Blake Enterprises
BIF-CFEA2430

CIDR: 207.234.36.48/28
IP Range: 207.234.36.48 - 207.234.36.63
Block size: 16

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United States Harvey Washbanger's
HARVEY-CFEA24D0

CIDR: 207.234.36.208/28
IP Range: 207.234.36.208 - 207.234.36.223
Block size: 16

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United States Rob Blackford
TELA-19990313-13

CIDR: 207.234.108.16/28
IP Range: 207.234.108.16 - 207.234.108.31
Block size: 16

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United States Franklin Printing
TELA-19990608-23

CIDR: 207.234.109.192/28
IP Range: 207.234.109.192 - 207.234.109.207
Block size: 16

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United States Cogent Communications, Inc
IODC-72-44-192-160-29

CIDR: 72.44.192.160/29
IP Range: 72.44.192.160 - 72.44.192.167
Block size: 8

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United States Cogent Communications
CYRUSONE--C0000112-216-117-54-112-29

CIDR: 216.117.54.112/29
IP Range: 216.117.54.112 - 216.117.54.119
Block size: 8

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United States Cogent Communications
CYRUSONE--216-117-94-176-29

CIDR: 216.117.94.176/29
IP Range: 216.117.94.176 - 216.117.94.183
Block size: 8

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United States Cogent Communications
COGENT-C71-126-200

CIDR: 12.11.126.200/29
IP Range: 12.11.126.200 - 12.11.126.207
Block size: 8

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United States Cogent Communications
COGENT-C31-226-112

CIDR: 12.15.226.112/29
IP Range: 12.15.226.112 - 12.15.226.119
Block size: 8

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United States Cogent Communications
COGENT-C31-220-216

CIDR: 12.16.220.216/29
IP Range: 12.16.220.216 - 12.16.220.223
Block size: 8

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United States Cogent Communications
COGENT-C35-16-248

CIDR: 12.17.16.248/29
IP Range: 12.17.16.248 - 12.17.16.255
Block size: 8

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United States Cogent Communications
COGENT-C72-47-88

CIDR: 12.43.47.88/29
IP Range: 12.43.47.88 - 12.43.47.95
Block size: 8

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United States Cogent Communications
COGENT-C62-2-208

CIDR: 12.50.2.208/29
IP Range: 12.50.2.208 - 12.50.2.215
Block size: 8

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United States Cogent Communications
COGENT-C45-241-192

CIDR: 12.108.241.192/29
IP Range: 12.108.241.192 - 12.108.241.199
Block size: 8

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United States Cogent Communications
CYRUSONE-199-87-119-240-29

CIDR: 199.87.119.240/29
IP Range: 199.87.119.240 - 199.87.119.247
Block size: 8

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United States Cogent Communications
COGENT-C22-220-0

CIDR: 12.181.220.0/29
IP Range: 12.181.220.0 - 12.181.220.7
Block size: 8

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United States Cogent Communications
COGENT-C73-6-200

CIDR: 12.226.6.200/29
IP Range: 12.226.6.200 - 12.226.6.207
Block size: 8

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United States Cogent Communications
COGENT-C31-189-192

CIDR: 12.231.189.192/29
IP Range: 12.231.189.192 - 12.231.189.199
Block size: 8

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United States Cogent Communications
DSCI-209-104-242-132

CIDR: 209.104.242.132/30
IP Range: 209.104.242.132 - 209.104.242.135
Block size: 4

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United States Cogent Communications
DSCI-209-104-242-244

CIDR: 209.104.242.244/30
IP Range: 209.104.242.244 - 209.104.242.247
Block size: 4

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Ireland [cogent Communications]
PERCANA-UK

CIDR: 93.94.116.128/31
IP Range: 93.94.116.128 - 93.94.116.129
Block size: 2

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Ireland [cogent Communications]
PERCANA-UK

CIDR: 93.94.116.130/31
IP Range: 93.94.116.130 - 93.94.116.131
Block size: 2

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