AS1 Level 3 Parent, LLC

LVLT-1 - Level 3 Parent, LLC · registered in the United States

IPv4 addresses7,29664 prefixes · <0.001% of announced IPv4

Rank in United States#3,550largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#11,342of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS1 in ASN lookup Look up an IP in this network (4.31.236.65) All networks in United States

IPv4 prefixes

All 64 prefixes, in address order.

4.31.236.64/29
4.34.12.0/23
8.13.224.0/25
8.13.224.128/27
8.13.224.192/26
8.13.225.0/27
8.13.226.0/25
8.13.226.128/27
8.13.226.192/26
8.13.227.0/26
8.13.227.64/27
8.13.227.208/28
8.13.227.224/27
8.13.228.0/26
8.13.228.64/27
8.13.228.128/26
8.13.228.192/27
8.13.229.0/24
8.13.230.0/25
8.13.230.160/27
8.13.230.192/26
8.13.231.0/25
8.13.231.128/26
8.13.231.224/27
8.13.232.0/25
8.13.232.128/27
8.13.232.192/26
8.13.233.0/26
8.13.234.0/25
8.13.234.128/26
8.13.234.192/27
8.44.88.192/29
8.45.82.64/29
8.45.87.176/29
8.45.192.208/29
8.45.212.168/29
8.45.227.120/29
8.45.238.232/29
8.45.242.248/29
8.45.243.0/29
8.45.244.0/29
8.46.84.192/29
8.49.153.216/29
63.215.96.0/28
63.215.96.24/29
63.215.96.32/28
63.215.96.48/29
63.215.96.64/28
63.215.96.96/27
63.215.96.152/29
63.215.97.0/25
63.215.97.168/29
63.215.98.0/29
63.215.98.16/28
63.215.99.56/29
63.215.99.208/28
63.215.99.248/29
177.75.88.0/24
177.75.90.0/24
177.75.93.0/24
191.7.35.0/24
205.207.214.0/24
207.227.224.0/21
212.94.84.0/22

Other ASNs named Level 3 Parent, LLC

8 other networks use the same organisation name; together with AS1 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

AS10753LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE - Level 3 Parent, LLC US640,512

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

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

AS62579#3547 VIRTUALSHIELD - VirtualShield LLC7,424

AS395180#3548 TRAVELERSPCAS3 - Travelers Property Casualty Corp.7,424

AS399541#3549 WRC-AS - Western Reserve Communications, LLC7,424

AS394646#3551 EAGLEEYENETWORKS - Eagle Eye Networks, Inc7,296

AS396969#3552 STRADA-COMM - Strada Communications L.L.C.7,168

AS398013#3553 NGX-NETWORKS - NGX Networks7,168

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