Cogent Communications, LLC

IPv4 IPv6
Country United States United States
Assigned AS AS174, AS1239, AS1240, AS1281, AS1282, AS1283, AS1284, AS1789, AS1790, AS1791, AS1792, AS1793, AS1794, AS1795, AS1799, AS1800, AS1801, AS1802, AS1803, AS1804, AS1805, AS1806, AS1807, AS1808, AS2014, AS2149, AS2555, AS2556, AS2557, AS2649, AS3483, AS3643, AS3644, AS3645, AS3646, AS3647, AS3648, AS3649, AS3650, AS3651, AS3652, AS3830, AS4000, AS4001, AS4002, AS4003, AS4004, AS4005, AS4006, AS4064, AS4132, AS4200, AS4388, AS4550, AS4991, AS4992, AS4993, AS4994, AS4999, AS5084, AS6174, AS6175, AS6176, AS6177, AS6259, AS6270, AS6271, AS6272, AS6273, AS6274, AS6275, AS6276, AS6277, AS6299, AS6494, AS6496, AS7061, AS7421, AS7458, AS8106, AS8107, AS8108, AS8109, AS8110, AS10768, AS11024, AS11220, AS11526, AS12207, AS16631, AS19164, AS22099
Updated 05 October 2026

We found 914 IPv4 networks operated by this organization. The first 100 networks are displayed.

Results sorted by network size.

Get the full report >>

United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-A
CIDR: 38.0.0.0/8
IP Range: 38.0.0.0 - 38.255.255.255
Block size: 16,777,216
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: N/A
IP Range: 208.0.0.0 - 208.35.255.255
Block size: 2,359,296
Hong Kong Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-63-160-0
CIDR: 63.160.0.0/12
IP Range: 63.160.0.0 - 63.175.255.255
Block size: 1,048,576
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: N/A
IP Range: 65.160.0.0 - 65.173.255.255
Block size: 917,504
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-205-240-0
CIDR: 205.240.0.0/13
IP Range: 205.240.0.0 - 205.247.255.255
Block size: 524,288
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-232-233-234-235-236-237-238-16
CIDR: N/A
IP Range: 206.232.0.0 - 206.238.255.255
Block size: 458,752
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-4-14
CIDR: N/A
IP Range: 206.3.32.0 - 206.7.255.255
Block size: 319,488
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: 198.64.0.0/14
IP Range: 198.67.0.0 - 198.70.255.255
Block size: 262,144
Hong Kong Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-199-0-0
CIDR: 199.0.0.0/14
IP Range: 199.0.0.0 - 199.3.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: 199.8.0.0/14
IP Range: 199.11.0.0 - 199.14.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-199-97-98-99-100-16
CIDR: 199.96.0.0/14
IP Range: 199.97.0.0 - 199.100.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-199-160-0
CIDR: 199.160.0.0/14
IP Range: 199.160.0.0 - 199.163.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-4-14
CIDR: 204.4.0.0/14
IP Range: 204.4.0.0 - 204.7.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: 204.92.0.0/14
IP Range: 204.94.0.0 - 204.97.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: 204.116.0.0/14
IP Range: 204.117.0.0 - 204.120.255.255
Block size: 262,144
Bermuda Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-180-0
CIDR: 204.180.0.0/14
IP Range: 204.180.0.0 - 204.183.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-204-0
CIDR: 204.204.0.0/14
IP Range: 204.204.0.0 - 204.207.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-212-0
CIDR: 204.212.0.0/14
IP Range: 204.212.0.0 - 204.215.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-240-14
CIDR: 204.240.0.0/14
IP Range: 204.240.0.0 - 204.243.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-204-248-0
CIDR: 204.248.0.0/14
IP Range: 204.248.0.0 - 204.251.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-205-160-0
CIDR: 205.160.0.0/14
IP Range: 205.160.0.0 - 205.163.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-104-0
CIDR: 206.104.0.0/14
IP Range: 206.104.0.0 - 206.107.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-228-0
CIDR: 206.228.0.0/14
IP Range: 206.228.0.0 - 206.231.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-207-12-0
CIDR: 207.12.0.0/14
IP Range: 207.12.0.0 - 207.15.255.255
Block size: 262,144
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-207-40-0
CIDR: 207.40.0.0/14
IP Range: 207.40.0.0 - 207.43.255.255
Block size: 262,144
Brazil Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-0-1-2-16
CIDR: N/A
IP Range: 206.0.0.0 - 206.2.255.255
Block size: 196,608
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: N/A
IP Range: 206.158.0.0 - 206.160.255.255
Block size: 196,608
Hong Kong Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-205-198-15
CIDR: 205.198.0.0/15
IP Range: 205.198.0.0 - 205.199.255.255
Block size: 131,072
Brazil Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-42-15
CIDR: 206.42.0.0/15
IP Range: 206.42.0.0 - 206.43.255.255
Block size: 131,072
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-84-15
CIDR: 206.84.0.0/15
IP Range: 206.84.0.0 - 206.85.255.255
Block size: 131,072
Australia Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-148
CIDR: 206.148.0.0/15
IP Range: 206.148.0.0 - 206.149.255.255
Block size: 131,072
South Africa Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-206-249-16
CIDR: 206.248.0.0/15
IP Range: 206.249.0.0 - 206.250.255.255
Block size: 131,072
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-FNSI-0005
CIDR: 216.28.0.0/15
IP Range: 216.28.0.0 - 216.29.255.255
Block size: 131,072
United States Vyve Broadband
View all IPs >> View all domains >>
Network: VYVE-CGNT-NET-1
CIDR: 38.178.0.0/16
IP Range: 38.178.0.0 - 38.178.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGC
CIDR: 65.174.0.0/16
IP Range: 65.174.0.0 - 65.174.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-NB-0000
CIDR: 66.28.0.0/16
IP Range: 66.28.0.0 - 66.28.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-66-247-0
CIDR: 66.247.0.0/16
IP Range: 66.247.0.0 - 66.247.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-NB-0001
CIDR: 66.250.0.0/16
IP Range: 66.250.0.0 - 66.250.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-128-145-16
CIDR: 128.145.0.0/16
IP Range: 128.145.0.0 - 128.145.255.255
Block size: 65,536
France Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-EUROPEAN-OPERATIONS-001
CIDR: 130.117.0.0/16
IP Range: 130.117.0.0 - 130.117.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: PSINET1
CIDR: 136.161.0.0/16
IP Range: 136.161.0.0 - 136.161.255.255
Block size: 65,536
Hong Kong Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-140-188-16
CIDR: 140.188.0.0/16
IP Range: 140.188.0.0 - 140.188.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-143-240-0
CIDR: 143.240.0.0/16
IP Range: 143.240.0.0 - 143.240.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-223-0
CIDR: 144.223.0.0/16
IP Range: 144.223.0.0 - 144.223.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-224-0
CIDR: 144.224.0.0/16
IP Range: 144.224.0.0 - 144.224.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-226-0
CIDR: 144.226.0.0/16
IP Range: 144.226.0.0 - 144.226.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-228-0
CIDR: 144.228.0.0/16
IP Range: 144.228.0.0 - 144.228.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-229-0
CIDR: 144.229.0.0/16
IP Range: 144.229.0.0 - 144.229.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-144-232-0
CIDR: 144.232.0.0/16
IP Range: 144.232.0.0 - 144.232.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-148-254-16
CIDR: 148.254.0.0/16
IP Range: 148.254.0.0 - 148.254.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-2-16
CIDR: 149.2.0.0/16
IP Range: 149.2.0.0 - 149.2.255.255
Block size: 65,536
Netherlands Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-5-16
CIDR: 149.5.0.0/16
IP Range: 149.5.0.0 - 149.5.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-6-16
CIDR: 149.6.0.0/16
IP Range: 149.6.0.0 - 149.6.255.255
Block size: 65,536
Canada Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-7-16
CIDR: 149.7.0.0/16
IP Range: 149.7.0.0 - 149.7.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-9-16
CIDR: 149.9.0.0/16
IP Range: 149.9.0.0 - 149.9.255.255
Block size: 65,536
France Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-11-16
CIDR: 149.11.0.0/16
IP Range: 149.11.0.0 - 149.11.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-12-16
CIDR: 149.12.0.0/16
IP Range: 149.12.0.0 - 149.12.255.255
Block size: 65,536
Bulgaria Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-13-16
CIDR: 149.13.0.0/16
IP Range: 149.13.0.0 - 149.13.255.255
Block size: 65,536
France Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-14-16
CIDR: 149.14.0.0/16
IP Range: 149.14.0.0 - 149.14.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: PSINETB-2
CIDR: 149.16.0.0/16
IP Range: 149.16.0.0 - 149.16.255.255
Block size: 65,536
Germany Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-18-16
CIDR: 149.18.0.0/16
IP Range: 149.18.0.0 - 149.18.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-22-16
CIDR: 149.22.0.0/16
IP Range: 149.22.0.0 - 149.22.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-29-16
CIDR: 149.29.0.0/16
IP Range: 149.29.0.0 - 149.29.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-30-16
CIDR: 149.30.0.0/16
IP Range: 149.30.0.0 - 149.30.255.255
Block size: 65,536
Kazakhstan Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-33-16
CIDR: 149.33.0.0/16
IP Range: 149.33.0.0 - 149.33.255.255
Block size: 65,536
Spain Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-34-16
CIDR: 149.34.0.0/16
IP Range: 149.34.0.0 - 149.34.255.255
Block size: 65,536
Canada Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-35-16
CIDR: 149.35.0.0/16
IP Range: 149.35.0.0 - 149.35.255.255
Block size: 65,536
Norway Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-36-16
CIDR: 149.36.0.0/16
IP Range: 149.36.0.0 - 149.36.255.255
Block size: 65,536
Belgium Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-38-16
CIDR: 149.38.0.0/16
IP Range: 149.38.0.0 - 149.38.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-40-16
CIDR: 149.40.0.0/16
IP Range: 149.40.0.0 - 149.40.255.255
Block size: 65,536
Argentina Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-46-16
CIDR: 149.46.0.0/16
IP Range: 149.46.0.0 - 149.46.255.255
Block size: 65,536
Canada Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-50-16
CIDR: 149.50.0.0/16
IP Range: 149.50.0.0 - 149.50.255.255
Block size: 65,536
Netherlands Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-51-16
CIDR: 149.51.0.0/16
IP Range: 149.51.0.0 - 149.51.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-52-16
CIDR: 149.52.0.0/16
IP Range: 149.52.0.0 - 149.52.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-53-16
CIDR: 149.53.0.0/16
IP Range: 149.53.0.0 - 149.53.255.255
Block size: 65,536
Panama Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-57-16
CIDR: 149.57.0.0/16
IP Range: 149.57.0.0 - 149.57.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-66-16
CIDR: 149.66.0.0/16
IP Range: 149.66.0.0 - 149.66.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-67-16
CIDR: 149.67.0.0/16
IP Range: 149.67.0.0 - 149.67.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-71-16
CIDR: 149.71.0.0/16
IP Range: 149.71.0.0 - 149.71.255.255
Block size: 65,536
Brazil Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-78-16
CIDR: 149.78.0.0/16
IP Range: 149.78.0.0 - 149.78.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: 149-79-0-0-149-79-255-255
CIDR: 149.79.0.0/16
IP Range: 149.79.0.0 - 149.79.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-85-16
CIDR: 149.85.0.0/16
IP Range: 149.85.0.0 - 149.85.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-86-16
CIDR: 149.86.0.0/16
IP Range: 149.86.0.0 - 149.86.255.255
Block size: 65,536
Argentina Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-87-16
CIDR: 149.87.0.0/16
IP Range: 149.87.0.0 - 149.87.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-88-16
CIDR: 149.88.0.0/16
IP Range: 149.88.0.0 - 149.88.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-91-16
CIDR: 149.91.0.0/16
IP Range: 149.91.0.0 - 149.91.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-92-16
CIDR: 149.92.0.0/16
IP Range: 149.92.0.0 - 149.92.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-93-16
CIDR: 149.93.0.0/16
IP Range: 149.93.0.0 - 149.93.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-94-16
CIDR: 149.94.0.0/16
IP Range: 149.94.0.0 - 149.94.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-95-16
CIDR: 149.95.0.0/16
IP Range: 149.95.0.0 - 149.95.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-100-16
CIDR: 149.100.0.0/16
IP Range: 149.100.0.0 - 149.100.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-102-16
CIDR: 149.102.0.0/16
IP Range: 149.102.0.0 - 149.102.255.255
Block size: 65,536
Singapore Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-104-16
CIDR: 149.104.0.0/16
IP Range: 149.104.0.0 - 149.104.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-107-16
CIDR: 149.107.0.0/16
IP Range: 149.107.0.0 - 149.107.255.255
Block size: 65,536
Indonesia Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-108-16
CIDR: 149.108.0.0/16
IP Range: 149.108.0.0 - 149.108.255.255
Block size: 65,536
Indonesia Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-110-16
CIDR: 149.110.0.0/16
IP Range: 149.110.0.0 - 149.110.255.255
Block size: 65,536
Indonesia Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-113-16
CIDR: 149.113.0.0/16
IP Range: 149.113.0.0 - 149.113.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-115-16
CIDR: 149.115.0.0/16
IP Range: 149.115.0.0 - 149.115.255.255
Block size: 65,536
United Kingdom Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-119-16
CIDR: 149.119.0.0/16
IP Range: 149.119.0.0 - 149.119.255.255
Block size: 65,536
United States Cogent Communications, LLC
View all IPs >> View all domains >>
Network: COGENT-149-120-16
CIDR: 149.120.0.0/16
IP Range: 149.120.0.0 - 149.120.255.255
Block size: 65,536
814 more networks >>

NetworksDB NetworksDB Domains - IP to Org - AS - Github - X - Licensing
IP Geolocation by DB-IP 		Rendered in 1.24s