AS19901 Brightspeed

BRIGHTSPEED - Brightspeed · registered in the United States

IPv4 addresses3,011,840488 prefixes · 0.096% of announced IPv4

Rank in United States#49largest network in US by IPv4 space, of 18,338 · 0.22% of US

Rank worldwide#148of 79,396 networks with IPv4

IPv69,729 x /4845 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19901 in ASN lookup Look up an IP in this network (9.134.0.1) All networks in United States

IPv4 prefixes

All 488 prefixes, in address order.

9.134.0.0/21
9.134.32.0/20
9.134.64.0/19
9.134.96.0/21
9.134.128.0/21
9.134.136.0/22
9.134.160.0/19
9.134.192.0/21
9.134.200.0/22
9.134.224.0/19
9.138.0.0/15
9.144.0.0/20
9.144.18.0/23
9.144.20.0/22
9.144.24.0/21
9.144.32.0/19
9.144.64.0/18
9.144.128.0/19
9.144.160.0/20
9.144.176.0/21
9.144.192.0/22
9.144.216.0/23
9.144.218.0/24
9.144.220.0/22
9.144.224.0/20
9.144.240.0/21
9.144.248.0/24
9.144.250.0/24
9.144.252.0/22
9.195.0.0/20
9.195.16.0/21
9.195.32.0/19
9.195.64.0/18
9.195.128.0/19
9.195.160.0/21
9.195.168.0/22
9.195.192.0/21
9.195.224.0/19
9.196.0.0/20
9.196.96.0/19
9.196.128.0/20
9.196.144.0/23
9.244.0.0/15
63.162.200.0/23
63.162.202.0/24
63.162.204.0/23
63.162.206.0/24
63.162.207.0/24
63.173.118.0/23
64.40.66.0/24
64.40.68.0/22
64.40.80.0/22
64.40.84.0/22
65.12.0.0/16
65.40.80.0/22
65.40.88.0/21
65.40.104.0/22
65.40.110.0/24
65.40.139.0/24
65.40.160.0/20
65.40.201.0/24
65.40.203.0/24
65.40.212.0/22
65.40.232.0/22
65.40.249.0/24
65.40.251.0/24
65.41.36.0/22
65.41.40.0/22
65.41.44.0/24
65.41.47.0/24
65.41.160.0/21
65.41.174.0/23
65.41.176.0/20
65.41.197.0/24
65.41.254.0/24
65.131.208.0/20
65.131.224.0/20
65.162.202.0/24
65.164.19.0/24
65.173.82.0/24
65.173.92.0/22
66.79.2.0/23
66.79.6.0/24
66.79.14.0/24
66.79.60.0/23
66.79.86.0/23
66.249.58.0/23
67.6.0.0/16
67.7.0.0/19
67.7.96.0/19
67.63.192.0/23
67.63.221.0/24
67.76.24.0/24
67.76.32.0/21
67.76.62.0/23
67.76.104.0/22
67.76.136.0/21
67.76.224.0/22
67.76.228.0/23
67.77.8.0/22
67.77.12.0/23
67.77.48.0/23
67.77.60.0/24
67.77.108.0/22
67.77.128.0/20
67.77.228.0/22
67.77.232.0/22
67.77.238.0/23
67.77.248.0/22
67.144.0.0/21
67.144.8.0/22
67.144.12.0/23
67.144.14.0/23
67.144.16.0/21
67.144.24.0/22
67.144.28.0/22
67.144.32.0/20
67.144.48.0/23
67.144.52.0/22
67.144.56.0/21
67.144.64.0/18
67.144.128.0/21
67.144.136.0/22
67.144.140.0/23
67.144.144.0/20
67.144.160.0/19
67.144.192.0/19
67.144.224.0/22
67.144.228.0/23
67.144.232.0/22
67.144.238.0/23
67.144.240.0/20
67.145.0.0/19
67.145.32.0/20
67.145.50.0/23
67.145.52.0/23
67.145.56.0/21
67.145.64.0/22
67.145.68.0/23
67.145.74.0/23
67.145.76.0/22
67.145.80.0/21
67.145.88.0/22
67.145.96.0/21
67.145.104.0/22
67.145.108.0/23
67.145.112.0/21
67.145.120.0/23
67.145.124.0/22
67.145.128.0/17
67.146.0.0/18
67.146.64.0/19
67.146.98.0/23
67.146.100.0/22
67.146.104.0/21
67.146.112.0/20
67.146.128.0/19
67.146.160.0/20
67.146.176.0/23
67.146.182.0/23
67.146.184.0/21
67.146.192.0/21
67.146.202.0/23
67.146.204.0/22
67.146.208.0/20
67.146.224.0/20
67.146.240.0/22
67.146.246.0/23
67.146.248.0/21
67.147.0.0/18
67.147.64.0/20
67.147.80.0/21
67.147.90.0/23
67.147.92.0/22
67.147.96.0/21
67.147.104.0/23
67.147.108.0/22
67.147.112.0/21
67.147.128.0/18
67.147.192.0/21
67.147.200.0/23
67.147.204.0/22
67.147.208.0/20
67.147.224.0/19
67.232.224.0/22
67.234.0.0/17
67.234.128.0/18
67.235.8.0/22
67.235.32.0/20
67.235.76.0/24
67.235.96.0/20
67.237.16.0/24
67.237.32.0/24
67.237.48.0/20
67.237.72.0/21
67.237.80.0/20
67.237.160.0/19
67.237.192.0/20
67.238.128.0/17
68.212.0.0/18
69.34.40.0/23
69.34.42.0/24
69.34.44.0/22
69.34.68.0/23
69.34.71.0/24
69.34.108.0/22
69.34.152.0/21
69.34.177.0/24
69.34.203.0/24
69.68.64.0/19
69.68.176.0/22
69.68.180.0/23
69.68.216.0/22
69.68.232.0/22
69.68.236.0/23
69.69.40.0/24
69.69.54.0/23
69.69.56.0/22
69.69.176.0/22
69.69.184.0/21
69.69.208.0/23
69.69.216.0/22
69.69.226.0/24
70.58.48.0/21
70.58.128.0/24
70.58.134.0/23
71.0.28.0/22
71.0.112.0/20
71.0.184.0/21
71.0.216.0/22
71.1.16.0/20
71.1.208.0/22
71.2.16.0/21
71.2.24.0/22
71.2.80.0/21
71.2.120.0/23
71.2.220.0/22
71.32.28.0/22
71.33.0.0/21
71.33.8.0/23
71.33.22.0/23
71.33.30.0/24
71.34.192.0/18
71.36.192.0/19
71.36.252.0/23
71.37.128.0/21
71.37.139.0/24
71.37.141.0/24
71.37.160.0/23
71.37.163.0/24
71.37.164.0/23
71.37.170.0/23
71.48.192.0/21
71.49.32.0/19
71.49.192.0/21
71.50.32.0/19
71.50.128.0/18
71.50.192.0/19
71.51.96.0/20
71.51.160.0/19
71.51.216.0/21
71.53.128.0/19
71.54.32.0/19
71.55.64.0/19
71.210.0.0/16
71.213.0.0/16
71.217.0.0/16
71.219.0.0/16
71.221.0.0/16
71.222.128.0/17
74.5.0.0/19
74.5.128.0/19
74.167.0.0/17
74.167.128.0/18
75.160.80.0/22
75.160.86.0/23
75.160.88.0/22
75.160.94.0/23
75.160.114.0/24
75.160.212.0/22
75.160.216.0/22
75.160.220.0/23
75.160.228.0/22
75.163.40.0/21
75.163.48.0/20
75.165.0.0/16
75.170.0.0/16
75.171.0.0/22
75.171.7.0/24
75.171.18.0/23
75.171.25.0/24
75.171.26.0/24
75.171.30.0/24
75.171.33.0/24
75.171.38.0/23
75.171.42.0/24
75.171.44.0/24
75.171.50.0/24
75.171.53.0/24
75.171.54.0/24
75.171.60.0/22
75.171.65.0/24
75.171.66.0/23
75.171.69.0/24
75.171.70.0/23
75.171.73.0/24
75.171.77.0/24
75.171.78.0/24
75.171.80.0/24
75.171.92.0/24
75.171.95.0/24
75.171.100.0/24
75.171.106.0/24
75.171.108.0/24
75.171.111.0/24
75.171.115.0/24
75.171.145.0/24
75.171.146.0/23
75.171.152.0/23
75.173.0.0/16
75.175.64.0/18
75.175.192.0/18
76.0.0.0/19
76.1.0.0/22
76.1.96.0/22
76.1.160.0/19
76.1.200.0/22
76.1.206.0/23
76.2.32.0/19
76.3.64.0/18
76.4.0.0/19
76.4.192.0/19
76.5.0.0/19
76.5.96.0/19
76.5.160.0/19
76.5.224.0/20
76.6.0.0/19
76.6.96.0/19
76.6.248.0/23
76.7.82.0/24
76.7.160.0/20
97.112.0.0/19
97.112.64.0/18
97.112.192.0/18
97.114.0.0/16
97.127.128.0/18
98.73.0.0/20
98.73.16.0/22
98.73.32.0/19
98.73.64.0/19
98.73.128.0/17
99.194.128.0/18
99.194.192.0/22
99.194.240.0/22
99.194.248.0/21
99.195.224.0/21
143.103.0.0/16
144.163.0.0/16
146.135.0.0/17
174.19.0.0/16
174.24.128.0/17
174.25.128.0/18
174.25.192.0/19
174.30.0.0/17
174.30.128.0/18
174.30.224.0/19
184.0.184.0/21
184.1.72.0/23
184.1.176.0/21
184.1.184.0/22
184.2.218.0/23
184.2.224.0/23
184.2.236.0/22
184.2.240.0/21
184.3.154.0/23
184.3.156.0/23
184.4.96.0/20
184.6.192.0/20
184.97.0.0/17
184.97.192.0/18
184.100.0.0/16
184.102.32.0/19
184.102.64.0/18
184.102.128.0/18
184.102.192.0/19
184.156.8.0/21
184.158.192.0/18
184.159.110.0/23
205.240.34.0/23
207.48.0.0/17
207.48.128.0/21
207.48.144.0/20
207.48.160.0/19
207.48.192.0/18
207.49.0.0/19
207.49.32.0/20
207.49.48.0/21
207.49.64.0/18
207.49.128.0/17
207.50.0.0/18
207.50.64.0/19
207.50.96.0/22
207.50.100.0/22
207.50.104.0/22
207.50.108.0/22
207.50.112.0/23
207.50.114.0/24
207.50.115.0/24
207.50.116.0/22
207.50.120.0/21
207.50.160.0/23
207.50.162.0/24
207.50.164.0/24
207.50.166.0/23
207.50.184.0/22
207.50.188.0/24
207.50.190.0/23
207.50.192.0/22
207.118.176.0/21
207.118.208.0/21
208.17.66.0/23
208.17.73.0/24
208.45.116.0/22
208.160.0.0/20
208.160.16.0/22
208.160.20.0/23
208.160.23.0/24
208.160.24.0/22
208.160.28.0/24
208.160.30.0/23
208.160.32.0/23
208.160.34.0/24
208.160.36.0/22
208.160.40.0/21
208.160.48.0/21
208.160.56.0/22
208.160.60.0/23
208.160.62.0/24
208.160.64.0/22
208.160.68.0/24
208.160.70.0/23
208.160.72.0/21
208.160.80.0/24
208.160.85.0/24
208.160.86.0/23
208.160.88.0/22
208.160.92.0/23
208.160.95.0/24
208.160.96.0/23
208.160.99.0/24
208.160.102.0/24
208.160.105.0/24
208.160.107.0/24
208.160.108.0/22
208.160.112.0/21
208.160.120.0/23
208.160.124.0/23
208.160.128.0/22
208.160.132.0/23
208.160.134.0/24
208.160.136.0/22
208.160.140.0/24
208.160.142.0/23
208.160.144.0/24
208.160.148.0/22
208.160.152.0/23
208.160.154.0/24
208.160.157.0/24
208.160.158.0/23
208.160.160.0/21
208.160.169.0/24
208.160.170.0/23
208.160.172.0/22
208.160.176.0/21
208.160.184.0/23
208.160.186.0/24
208.160.188.0/23
208.160.191.0/24
208.160.192.0/19
208.160.224.0/20
208.160.240.0/21
208.160.249.0/24
208.161.0.0/16
208.241.20.0/24
209.102.131.0/24
216.166.204.0/22
216.166.224.0/22
216.166.238.0/24

IPv6 prefixes

All 45 prefixes.

2606:5000:1000::/39
2606:5000:1400::/39
2606:5000:1c00::/38
2606:5000:2800::/39
2606:5000:2c00::/39
2606:5000:3c00::/38
2606:5000:4800::/39
2606:5000:4e00::/39
2606:5000:5000::/37
2606:5000:5800::/39
2606:5000:5c00::/38
2606:5000:6000::/39
2607:6c40:1::/48
2607:6c40:2c00::/44
2607:6c40:3400::/44
2607:6c40:3420::/44
2607:6c40:5400::/44
2607:6c40:5800::/44
2607:6c40:5c00::/44
2607:6c40:6000::/44
2607:6c40:6020::/44
2607:6c40:6040::/44
2607:6c40:6060::/44
2607:6c40:6080::/44
2607:6c40:6400::/44
2607:6c40:6800::/44
2607:6c40:c400::/44
2607:6c40:c420::/44
2607:6c40:c440::/44
2607:6c40:c800::/44
2607:6c40:c840::/44
2607:6c40:d400::/44
2607:6c40:dc00::/44
2607:6c40:dc20::/44
2607:6c40:e400::/44
2607:6c40:e420::/44
2607:6c40:e440::/44
2607:6c40:ec00::/44
2607:6c40:ec20::/44
2607:6c40:f000::/44
2607:6c40:f400::/44
2607:6c40:f420::/44
2607:6c40:f440::/44
2607:6c40:f460::/44
2607:6c40:f800::/44

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources