AS19108 Optimum

SUDDENLINK-COMMUNICATIONS - Optimum · registered in the United States

IPv4 addresses2,839,808887 prefixes · 0.091% of announced IPv4

Rank in United States#51largest network in US by IPv4 space, of 18,338 · 0.21% of US

Rank worldwide#153of 79,396 networks with IPv4

IPv61 x /32 (114,736 x /48)70 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19108 in ASN lookup Look up an IP in this network (24.31.17.1) All networks in United States

IPv4 prefixes

First 500 of 887 prefixes, in address order.

24.31.17.0/24
24.32.0.0/19
24.32.32.0/21
24.32.40.0/21
24.32.48.0/20
24.32.64.0/21
24.32.73.0/24
24.32.74.0/23
24.32.76.0/22
24.32.80.0/20
24.32.96.0/20
24.32.112.0/21
24.32.120.0/21
24.32.128.0/23
24.32.130.0/24
24.32.131.0/24
24.32.132.0/22
24.32.136.0/23
24.32.138.0/23
24.32.140.0/22
24.32.144.0/22
24.32.148.0/22
24.32.152.0/21
24.32.160.0/21
24.32.168.0/22
24.32.172.0/24
24.32.173.0/24
24.32.174.0/23
24.32.176.0/20
24.32.192.0/19
24.32.224.0/21
24.32.232.0/21
24.32.240.0/20
24.49.194.0/24
24.49.200.0/24
24.54.114.0/24
24.54.116.0/22
24.72.175.0/24
24.72.186.0/23
24.75.113.0/24
24.75.123.0/24
24.75.124.0/24
24.75.126.0/24
24.121.0.0/18
24.121.64.0/20
24.121.80.0/22
24.121.84.0/22
24.121.88.0/24
24.121.89.0/24
24.121.90.0/23
24.121.92.0/22
24.121.96.0/22
24.121.100.0/23
24.121.103.0/24
24.121.104.0/21
24.121.114.0/23
24.121.116.0/22
24.121.120.0/21
24.121.128.0/17
24.156.0.0/20
24.156.16.0/24
24.156.18.0/23
24.156.20.0/22
24.156.24.0/21
24.156.32.0/23
24.156.34.0/24
24.156.35.0/24
24.156.36.0/22
24.156.40.0/21
24.156.48.0/20
24.156.64.0/18
24.206.128.0/19
24.206.160.0/20
24.206.176.0/21
24.206.184.0/21
24.206.192.0/22
24.206.196.0/23
24.206.199.0/24
24.206.200.0/23
24.206.202.0/24
24.206.203.0/24
24.206.204.0/22
24.206.208.0/21
24.206.216.0/22
24.206.220.0/22
24.206.224.0/19
24.213.120.0/24
24.223.86.0/24
24.224.36.0/23
24.224.44.0/24
24.224.55.0/24
24.224.56.0/24
24.224.58.0/23
24.224.60.0/22
24.245.68.0/23
24.245.72.0/22
47.208.0.0/16
47.209.0.0/18
47.209.64.0/19
47.209.96.0/19
47.209.128.0/18
47.209.192.0/19
47.209.224.0/19
47.210.0.0/16
47.211.0.0/17
47.211.128.0/19
47.211.160.0/19
47.211.192.0/18
47.212.0.0/18
47.212.64.0/22
47.212.68.0/22
47.212.72.0/21
47.212.80.0/20
47.212.96.0/19
47.212.128.0/18
47.212.192.0/20
47.212.208.0/20
47.212.224.0/19
47.213.0.0/18
47.213.64.0/19
47.213.96.0/19
47.213.128.0/18
47.213.192.0/20
47.213.208.0/21
47.213.216.0/21
47.213.224.0/19
47.214.0.0/17
47.214.128.0/21
47.214.136.0/21
47.214.144.0/20
47.214.160.0/19
47.214.192.0/19
47.214.224.0/21
47.214.232.0/21
47.214.240.0/20
47.215.0.0/21
47.215.8.0/21
47.215.16.0/20
47.215.32.0/19
47.215.64.0/21
47.215.72.0/21
47.215.80.0/20
47.215.96.0/20
47.215.112.0/20
47.215.128.0/19
47.215.160.0/21
47.215.168.0/22
47.215.172.0/22
47.215.176.0/20
47.215.192.0/20
47.215.208.0/22
47.215.212.0/22
47.215.216.0/21
47.215.224.0/19
47.216.0.0/18
47.216.64.0/19
47.216.96.0/20
47.216.112.0/20
47.216.128.0/19
47.216.160.0/19
47.216.192.0/18
47.217.0.0/16
47.218.0.0/16
47.219.0.0/22
47.219.4.0/22
47.219.8.0/21
47.219.16.0/20
47.219.32.0/19
47.219.64.0/18
47.219.128.0/18
47.219.192.0/18
47.220.0.0/19
47.220.32.0/21
47.220.40.0/21
47.220.48.0/20
47.220.64.0/18
47.220.128.0/19
47.220.160.0/20
47.220.176.0/20
47.220.192.0/22
47.220.196.0/22
47.220.200.0/21
47.220.208.0/20
47.220.224.0/19
47.221.0.0/19
47.221.32.0/21
47.221.40.0/22
47.221.44.0/22
47.221.48.0/20
47.221.64.0/20
47.221.80.0/22
47.221.84.0/22
47.221.88.0/22
47.221.92.0/22
47.221.96.0/21
47.221.104.0/22
47.221.108.0/22
47.221.112.0/21
47.221.120.0/21
47.221.128.0/21
47.221.136.0/21
47.221.144.0/20
47.221.160.0/19
47.221.192.0/18
47.222.0.0/21
47.222.8.0/21
47.222.16.0/20
47.222.32.0/19
47.222.64.0/22
47.222.68.0/22
47.222.72.0/21
47.222.80.0/20
47.222.96.0/19
47.222.128.0/17
47.223.0.0/17
47.223.128.0/20
47.223.144.0/21
47.223.152.0/21
47.223.160.0/20
47.223.176.0/21
47.223.184.0/22
47.223.188.0/22
47.223.192.0/20
47.223.208.0/21
47.223.216.0/21
47.223.224.0/19
50.24.0.0/20
50.24.16.0/21
50.24.24.0/24
50.24.25.0/24
50.24.26.0/23
50.24.28.0/22
50.24.32.0/19
50.24.64.0/21
50.24.72.0/21
50.24.80.0/20
50.24.96.0/20
50.24.112.0/20
50.24.128.0/20
50.24.144.0/21
50.24.152.0/21
50.24.160.0/19
50.24.192.0/20
50.24.208.0/21
50.24.216.0/21
50.24.224.0/19
50.25.0.0/18
50.25.64.0/19
50.25.96.0/20
50.25.112.0/22
50.25.116.0/22
50.25.120.0/21
50.25.128.0/20
50.25.144.0/21
50.25.152.0/22
50.25.156.0/22
50.25.160.0/19
50.25.192.0/19
50.25.224.0/21
50.25.232.0/21
50.25.240.0/21
50.25.248.0/21
50.26.0.0/20
50.26.16.0/20
50.26.32.0/20
50.26.48.0/21
50.26.56.0/22
50.26.60.0/22
50.26.64.0/18
50.26.128.0/18
50.26.192.0/20
50.26.208.0/22
50.26.212.0/22
50.26.216.0/21
50.26.224.0/19
50.27.0.0/19
50.27.32.0/19
50.27.64.0/21
50.27.72.0/21
50.27.80.0/20
50.27.96.0/19
50.27.128.0/21
50.27.136.0/21
50.27.144.0/22
50.27.148.0/24
50.27.149.0/24
50.27.150.0/23
50.27.152.0/21
50.27.160.0/21
50.27.168.0/23
50.27.170.0/23
50.27.172.0/22
50.27.176.0/20
50.27.192.0/19
50.27.224.0/20
50.27.240.0/22
50.27.244.0/22
50.27.248.0/21
64.72.32.0/23
64.72.34.0/24
64.72.35.0/24
64.72.36.0/22
64.72.40.0/22
64.72.44.0/23
64.72.46.0/23
64.72.48.0/21
64.72.56.0/23
64.72.58.0/23
64.72.60.0/22
64.139.227.0/24
64.139.229.0/24
64.139.234.0/24
64.139.246.0/24
64.234.0.0/23
64.234.8.0/24
64.234.16.0/24
64.234.30.0/23
64.234.34.0/24
64.234.47.0/24
64.234.55.0/24
64.234.67.0/24
64.234.68.0/24
64.234.74.0/24
64.234.78.0/24
66.76.0.0/22
66.76.4.0/23
66.76.6.0/24
66.76.7.0/24
66.76.8.0/22
66.76.12.0/24
66.76.13.0/24
66.76.14.0/23
66.76.16.0/20
66.76.32.0/19
66.76.64.0/23
66.76.66.0/23
66.76.68.0/22
66.76.72.0/21
66.76.80.0/24
66.76.81.0/24
66.76.82.0/23
66.76.84.0/22
66.76.88.0/21
66.76.96.0/20
66.76.112.0/23
66.76.114.0/24
66.76.115.0/24
66.76.116.0/22
66.76.120.0/21
66.76.128.0/20
66.76.144.0/21
66.76.152.0/23
66.76.154.0/23
66.76.156.0/22
66.76.160.0/22
66.76.164.0/22
66.76.168.0/22
66.76.172.0/24
66.76.174.0/23
66.76.176.0/21
66.76.184.0/22
66.76.188.0/23
66.76.190.0/23
66.76.192.0/24
66.76.193.0/26
66.76.193.64/26
66.76.193.128/25
66.76.194.0/23
66.76.196.0/23
66.76.198.0/23
66.76.200.0/22
66.76.204.0/22
66.76.208.0/21
66.76.216.0/23
66.76.218.0/23
66.76.220.0/22
66.76.224.0/19
66.205.96.0/20
66.205.112.0/21
66.205.120.0/23
66.205.123.0/24
66.205.124.0/22
67.21.185.0/24
69.59.64.0/24
69.59.73.0/24
69.59.82.0/24
69.59.100.0/24
69.59.104.0/24
72.47.0.0/19
72.47.32.0/22
72.47.36.0/24
72.47.38.0/23
72.47.40.0/21
72.47.48.0/20
72.47.64.0/21
72.47.72.0/21
72.47.80.0/20
72.47.96.0/20
72.47.112.0/22
72.47.116.0/23
72.47.120.0/22
72.47.124.0/23
72.47.126.0/23
72.47.128.0/19
72.47.160.0/21
72.47.168.0/21
72.47.176.0/20
74.192.0.0/19
74.192.32.0/20
74.192.48.0/20
74.192.64.0/21
74.192.72.0/22
74.192.76.0/24
74.192.77.0/24
74.192.78.0/23
74.192.80.0/21
74.192.89.0/24
74.192.90.0/23
74.192.92.0/22
74.192.96.0/19
74.192.128.0/17
74.193.0.0/17
74.193.128.0/18
74.193.192.0/21
74.193.200.0/22
74.193.204.0/23
74.193.206.0/23
74.193.208.0/20
74.193.224.0/19
74.194.0.0/19
74.194.32.0/20
74.194.48.0/22
74.194.52.0/22
74.194.56.0/21
74.194.64.0/20
74.194.80.0/20
74.194.96.0/21
74.194.104.0/22
74.194.108.0/22
74.194.112.0/22
74.194.116.0/22
74.194.120.0/21
74.194.128.0/19
74.194.160.0/20
74.194.176.0/24
74.194.177.0/24
74.194.178.0/23
74.194.180.0/22
74.194.184.0/23
74.194.186.0/23
74.194.188.0/22
74.194.192.0/18
74.195.0.0/21
74.195.8.0/21
74.195.16.0/20
74.195.32.0/20
74.195.48.0/21
74.195.56.0/22
74.195.60.0/23
74.195.62.0/24
74.195.63.0/24
74.195.64.0/20
74.195.80.0/22
74.195.84.0/23
74.195.86.0/23
74.195.88.0/21
74.195.96.0/19
74.195.128.0/17
74.196.0.0/19
74.196.32.0/22
74.196.36.0/22
74.196.40.0/22
74.196.44.0/22
74.196.48.0/20
74.196.64.0/20
74.196.80.0/22
74.196.84.0/23
74.196.86.0/24
74.196.87.0/24
74.196.88.0/23
74.196.90.0/24
74.196.91.0/24
74.196.92.0/22
74.196.96.0/19
74.196.128.0/20
74.196.144.0/21
74.196.152.0/23
74.196.154.0/23
74.196.156.0/22
74.196.160.0/19
74.196.192.0/18
74.197.0.0/19
74.197.32.0/20
74.197.48.0/20
74.197.64.0/19
74.197.96.0/20
74.197.112.0/22
74.197.116.0/22
74.197.120.0/21
74.197.128.0/18

IPv6 prefixes

All 70 prefixes.

2600:5400:1000::/36
2600:5400:2000::/35
2600:5400:7000::/36
2600:5400:8000::/37
2600:5400:8800::/48
2600:5400:8801::/48
2600:5400:8802::/47
2600:5400:8804::/46
2600:5400:8808::/45
2600:5400:8810::/44
2600:5400:8820::/43
2600:5400:8840::/42
2600:5400:8880::/41
2600:5400:8900::/40
2600:5400:8a00::/39
2600:5400:8c00::/38
2600:5400:9000::/36
2600:5400:a000::/35
2600:5400:c000::/37
2600:5400:c800::/38
2600:5400:cc00::/40
2600:5400:cd00::/46
2600:5400:cd04::/48
2600:5400:cd05::/48
2600:5400:cd06::/47
2600:5400:cd08::/45
2600:5400:cd10::/44
2600:5400:cd20::/43
2600:5400:cd40::/42
2600:5400:cd80::/41
2600:5400:ce00::/48
2600:5400:ce01::/48
2600:5400:ce02::/47
2600:5400:ce04::/46
2600:5400:ce08::/45
2600:5400:ce10::/44
2600:5400:ce20::/43
2600:5400:ce40::/42
2600:5400:ce80::/41
2600:5400:cf00::/40
2600:5400:d000::/40
2600:5400:d100::/47
2600:5400:d102::/47
2600:5400:d104::/46
2600:5400:d108::/45
2600:5400:d110::/44
2600:5400:d120::/43
2600:5400:d140::/42
2600:5400:d180::/41
2600:5400:d200::/39
2600:5400:d400::/38
2600:5400:d800::/37
2600:5400:e000::/40
2600:5400:e100::/48
2600:5400:e101::/48
2600:5400:e102::/47
2600:5400:e104::/46
2600:5400:e108::/45
2600:5400:e110::/44
2600:5400:e120::/43
2600:5400:e140::/42
2600:5400:e180::/41
2600:5400:e200::/39
2600:5400:e400::/38
2600:5400:e800::/37
2600:5400:f000::/36
2600:5401::/44
2600:5408::/32
2600:541e::/44
2620:121:d000::/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