AS10753 Level 3 Parent, LLC

LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC · registered in the United States

IPv4 addresses640,512724 prefixes · 0.020% of announced IPv4

Rank in United States#146largest network in US by IPv4 space, of 18,338 · 0.05% of US

Rank worldwide#486of 79,396 networks with IPv4

IPv617 x /4814 prefixes

CountryUnited States18,679 ASNs registered there

Open AS10753 in ASN lookup Look up an IP in this network (8.28.21.1) All networks in United States

IPv4 prefixes

First 500 of 724 prefixes, in address order.

8.28.21.0/24
8.28.22.0/23
8.41.8.0/24
8.41.85.0/24
8.242.1.0/24
8.242.15.0/24
8.242.65.0/24
8.242.66.0/24
8.242.78.0/24
8.242.123.0/24
8.242.128.0/21
8.242.136.0/22
8.242.140.0/23
8.242.249.0/24
8.243.2.0/23
8.243.10.0/24
8.243.62.0/24
8.243.117.0/24
8.243.201.0/24
8.244.161.0/24
12.111.79.0/24
13.141.140.0/22
13.141.144.0/21
13.143.118.0/23
23.26.49.0/24
23.26.51.0/24
23.26.54.0/24
23.26.85.0/24
23.26.100.0/24
23.26.161.0/24
23.26.162.0/23
23.26.216.0/24
23.26.226.0/24
23.26.239.0/24
23.26.243.0/24
23.27.10.0/24
23.27.84.0/24
23.27.116.0/24
23.27.122.0/24
23.27.149.0/24
23.27.173.0/24
23.92.144.0/20
23.149.32.0/24
23.230.110.0/23
23.230.122.0/23
23.230.136.0/23
23.230.144.0/23
23.230.169.0/24
23.230.178.0/24
23.230.190.0/24
23.230.209.0/24
23.230.229.0/24
23.230.246.0/24
31.56.87.0/24
31.56.91.0/24
31.76.190.0/23
31.77.234.0/23
38.76.140.0/23
45.5.180.0/23
45.14.82.0/24
45.38.47.0/24
45.38.229.0/24
45.39.185.0/24
45.85.128.0/24
45.95.72.0/22
45.139.56.0/22
45.142.52.0/22
45.155.196.0/22
46.18.91.0/24
50.114.2.0/24
50.114.35.0/24
50.114.39.0/24
50.114.43.0/24
50.114.53.0/24
50.114.57.0/24
50.114.71.0/24
50.114.76.0/22
50.114.85.0/24
50.117.5.0/24
50.117.57.0/24
50.117.91.0/24
50.117.96.0/24
50.117.110.0/24
50.118.137.0/24
50.118.146.0/24
50.118.165.0/24
50.118.177.0/24
50.118.235.0/24
50.118.236.0/24
50.118.255.0/24
62.192.120.0/22
63.76.24.0/24
63.145.63.0/24
63.145.247.0/24
63.146.38.0/24
63.147.62.0/24
63.148.200.0/24
63.149.125.0/24
63.150.52.0/24
63.156.135.0/24
63.158.166.0/23
63.158.238.0/24
63.225.33.0/24
63.232.224.0/23
64.5.115.0/24
64.8.9.0/24
64.8.48.0/23
64.8.74.0/24
64.9.97.0/24
64.29.70.0/24
64.45.254.0/24
64.76.96.0/24
64.92.167.0/24
64.105.43.0/24
64.105.218.0/23
64.132.112.0/24
64.139.42.0/23
64.139.46.0/23
64.139.48.0/23
64.139.60.0/23
64.144.194.0/23
64.207.220.0/24
64.208.41.0/24
64.208.163.0/24
64.211.94.0/24
64.213.148.0/24
64.214.57.0/24
64.215.200.0/24
65.102.66.0/24
65.113.26.0/24
65.115.22.0/24
65.115.89.0/24
65.115.134.0/24
65.116.218.0/24
65.116.243.0/24
65.118.158.0/24
65.118.188.0/23
65.119.36.0/24
65.119.182.0/24
65.119.242.0/24
65.125.143.0/24
65.127.158.0/24
65.149.47.0/24
65.152.62.0/24
66.35.255.0/24
66.77.51.0/24
66.77.129.0/24
66.77.168.0/24
66.77.244.0/22
66.128.192.0/22
66.128.204.0/22
66.180.151.0/24
67.76.96.0/24
67.77.62.0/23
67.128.8.0/23
67.128.124.0/23
67.128.126.0/24
67.131.20.0/24
67.131.246.0/24
67.133.100.0/24
67.133.114.0/24
67.133.218.0/24
68.68.98.0/24
68.177.185.0/24
69.8.239.0/24
69.8.240.0/24
69.33.122.0/23
69.46.72.0/24
69.46.93.0/24
72.165.236.0/23
72.166.58.0/23
72.166.124.0/24
74.43.22.0/24
74.203.48.0/23
74.203.57.0/24
74.203.174.0/24
75.153.64.0/22
75.153.72.0/22
75.153.80.0/22
75.153.88.0/22
75.153.96.0/22
75.153.104.0/22
75.153.112.0/22
75.153.120.0/22
80.253.115.0/24
82.21.210.0/24
82.21.216.0/24
82.21.234.0/24
82.22.250.0/24
82.23.19.0/24
82.23.20.0/24
82.23.23.0/24
82.23.24.0/24
82.23.59.0/24
82.23.60.0/24
82.24.66.0/24
82.24.75.0/24
82.24.87.0/24
82.24.104.0/24
82.24.124.0/24
82.24.147.0/24
82.24.173.0/24
82.24.180.0/24
82.24.202.0/24
82.25.225.0/24
82.25.250.0/24
82.26.234.0/24
82.26.250.0/24
82.27.210.0/24
82.27.220.0/24
82.27.250.0/24
82.29.239.0/24
82.29.240.0/24
82.39.136.0/24
83.143.168.0/23
83.143.170.0/24
83.143.172.0/23
83.148.150.0/24
83.148.153.0/24
83.148.154.0/23
83.148.184.0/22
85.189.216.0/22
85.232.185.0/24
85.255.176.0/21
86.104.160.0/22
87.76.214.0/24
87.85.228.0/23
87.85.247.0/24
87.98.96.0/20
87.98.112.0/21
88.148.69.0/24
88.148.72.0/24
88.148.78.0/24
88.148.86.0/24
88.148.89.0/24
88.148.94.0/24
88.148.107.0/24
89.32.165.0/24
89.34.120.0/24
89.44.67.0/24
89.44.71.0/24
89.45.240.0/24
89.45.245.0/24
89.116.54.0/24
89.249.197.0/24
89.249.198.0/24
91.200.212.0/22
91.207.152.0/23
91.212.138.0/24
94.76.139.0/24
94.76.155.0/24
94.76.177.0/24
94.76.189.0/24
94.116.188.0/22
94.116.204.0/22
94.136.116.0/24
94.192.36.0/22
94.192.44.0/22
96.126.180.0/23
97.65.91.0/24
97.65.163.0/24
97.65.241.0/24
102.217.105.0/24
103.108.88.0/23
103.129.116.0/23
103.137.162.0/23
103.182.96.0/23
104.153.75.0/24
104.164.13.0/24
104.164.17.0/24
104.164.37.0/24
104.164.40.0/24
104.164.63.0/24
104.164.65.0/24
104.164.73.0/24
104.164.86.0/24
104.164.98.0/24
104.164.113.0/24
104.164.145.0/24
104.164.150.0/24
104.164.184.0/24
104.164.187.0/24
104.164.197.0/24
104.164.204.0/24
104.164.208.0/24
104.164.210.0/24
104.164.219.0/24
104.164.238.0/24
104.165.14.0/24
104.165.31.0/24
104.165.37.0/24
104.165.100.0/24
104.165.102.0/24
104.165.107.0/24
104.165.109.0/24
104.165.113.0/24
104.165.114.0/24
104.165.117.0/24
104.165.129.0/24
104.165.132.0/24
104.165.134.0/23
104.165.138.0/24
104.165.140.0/24
104.165.142.0/24
104.165.145.0/24
104.165.153.0/24
104.165.159.0/24
104.165.211.0/24
104.165.227.0/24
104.165.251.0/24
104.252.17.0/24
104.253.184.0/24
108.165.48.0/24
108.165.153.0/24
108.165.162.0/23
108.165.182.0/24
108.165.220.0/24
108.165.222.0/23
108.165.225.0/24
108.165.237.0/24
108.165.242.0/24
109.204.102.0/24
109.204.104.0/21
109.204.114.0/24
109.204.127.0/24
115.167.100.0/24
128.0.40.0/24
129.230.17.0/24
132.244.80.0/20
136.0.38.0/24
136.0.223.0/24
136.143.243.0/24
136.143.245.0/24
136.143.246.0/24
136.143.252.0/24
136.143.254.0/24
137.107.64.0/24
138.15.0.0/16
140.99.60.0/24
140.99.69.0/24
141.81.180.0/22
141.81.184.0/24
141.98.91.0/24
141.140.4.0/23
142.111.22.0/24
142.111.243.0/24
142.252.3.0/24
142.252.20.0/24
142.252.37.0/24
142.252.88.0/24
142.252.174.0/24
142.252.183.0/24
142.252.190.0/24
142.252.196.0/24
142.252.198.0/24
142.252.201.0/24
142.252.210.0/24
142.252.212.0/23
142.252.214.0/24
142.252.216.0/24
142.252.219.0/24
142.252.235.0/24
142.252.237.0/24
142.252.243.0/24
142.252.245.0/24
142.252.247.0/24
143.223.6.0/24
144.225.116.0/22
144.225.200.0/22
144.225.204.0/24
145.240.8.0/23
146.71.84.0/24
147.21.128.0/24
147.21.138.0/24
147.21.140.0/24
147.207.0.0/17
147.207.128.0/18
147.207.192.0/19
147.207.224.0/20
147.207.240.0/22
147.207.244.0/23
147.207.250.0/23
147.207.252.0/22
148.135.145.0/24
148.135.156.0/24
149.97.0.0/23
149.97.2.0/24
149.97.4.0/24
149.97.16.0/24
149.97.18.0/23
149.97.24.0/24
149.97.26.0/23
149.97.32.0/24
149.97.35.0/24
149.97.36.0/24
149.97.40.0/24
149.97.46.0/23
149.97.48.0/22
149.150.200.0/24
151.242.180.0/22
154.203.0.0/23
154.203.204.0/23
154.203.244.0/23
157.23.247.0/24
157.234.213.0/24
157.254.132.0/22
158.51.208.0/24
159.14.184.0/22
159.148.169.0/24
159.148.177.0/24
159.169.59.0/24
159.169.242.0/24
161.203.15.0/24
161.203.16.0/24
161.203.19.0/24
162.97.197.0/24
162.251.248.0/21
164.38.160.0/22
164.156.0.0/16
164.157.0.0/17
164.157.128.0/18
164.157.192.0/19
164.157.248.0/22
164.157.254.0/23
166.0.70.0/24
166.0.88.0/21
166.0.128.0/24
166.0.185.0/24
166.0.201.0/24
166.0.202.0/24
166.0.239.0/24
166.0.251.0/24
166.0.252.0/24
166.1.21.0/24
166.1.30.0/24
166.1.64.0/24
166.1.101.0/24
166.67.96.0/19
166.88.70.0/24
166.88.88.0/24
166.88.122.0/24
166.88.223.0/24
167.94.245.0/24
167.136.12.0/24
167.236.50.0/24
168.93.196.0/24
168.93.200.0/23
168.93.210.0/24
168.93.226.0/24
168.205.4.0/23
168.215.0.0/23
168.215.2.0/23
168.215.4.0/22
168.215.8.0/21
168.215.16.0/20
168.215.47.0/24
170.39.154.0/23
170.41.33.0/24
170.41.159.0/24
172.84.180.0/24
172.84.190.0/24
172.98.183.0/24
172.252.215.0/24
173.205.204.0/23
173.226.200.0/24
173.227.163.0/24
174.46.58.0/24
174.46.126.0/24
174.46.206.0/23
175.29.22.0/23
178.209.64.0/20
179.61.160.0/24
179.61.162.0/24
181.41.218.0/24
184.0.146.0/24
184.0.192.0/24
185.27.92.0/23
185.27.95.0/24
185.47.164.0/24
185.66.212.0/24
185.192.36.0/22
185.197.228.0/22
188.221.204.0/24
188.221.207.0/24
188.221.208.0/23
188.221.211.0/24
188.221.215.0/24
188.221.220.0/24
188.221.222.0/24
188.221.224.0/24
188.221.226.0/24
188.221.229.0/24
188.221.237.0/24
188.221.241.0/24
188.221.242.0/24
188.221.245.0/24
188.221.253.0/24
189.81.20.0/23
189.81.38.0/23
189.81.56.0/23

IPv6 prefixes

All 14 prefixes.

2001:428:b26::/48
2001:13b2:801f::/48
2001:13b3:4::/46
2001:13b3:a::/48
2001:13b4:1::/48
2001:13b4:4009::/48
2001:13b4:5009::/48
2400:8a20:1b0::/48
2602:811:900c::/48
2602:816:6::/48
2602:816:8::/48
2801:12:c800::/48
2801:1b:1800::/48
2801:15c:2::/48

Other ASNs named Level 3 Parent, LLC

8 other networks use the same organisation name; together with AS10753 they announce 32,815,616 IPv4 addresses.

ASNNameIPv4 addresses

AS3356LEVEL3 - Level 3 Parent, LLC US27,412,864

AS3549LVLT-3549 - Level 3 Parent, LLC US4,521,728

AS203CENTURYLINK-LEGACY-LVLT-203 - Level 3 Parent, LLC US230,912

AS1LVLT-1 - Level 3 Parent, LLC US7,296

AS202CENTURYLINK-LEGACY-LVLT-202 - Level 3 Parent, LLC US1,024

AS596CENTURYLINK-LEGACY-LVLT-596 - Level 3 Parent, LLC US512

AS18756PATEAM - Level 3 Parent, LLC US512

AS19094RESERVED-IPADMIN - Level 3 Parent, LLC US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3128#143 BRUWS-AS3128 - University of Wisconsin System655,616

AS297#144 AS297 - National Aeronautics and Space Administration649,472

AS33489#145 COMCAST-33489 - Comcast Cable Communications, LLC647,936

AS33661#147 CMCS - Comcast Cable Communications, LLC630,528

AS87#148 INDIANA-AS - Indiana University622,848

AS33660#149 CMCS - Comcast Cable Communications, LLC621,824

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