AS3549 Level 3 Parent, LLC

LVLT-3549 - Level 3 Parent, LLC · registered in the United States

IPv4 addresses4,521,7283,406 prefixes · 0.144% of announced IPv4

Rank in United States#35largest network in US by IPv4 space, of 18,338 · 0.33% of US

Rank worldwide#106of 79,396 networks with IPv4

IPv614 x /32 (983,013 x /48)210 prefixes

CountryUnited States18,679 ASNs registered there

Open AS3549 in ASN lookup Look up an IP in this network (8.242.80.1) All networks in United States

IPv4 prefixes

First 500 of 3,406 prefixes, in address order.

8.242.80.0/24
8.242.82.0/23
8.242.84.0/22
8.242.88.0/22
8.242.120.0/23
8.242.122.0/24
8.242.124.0/22
8.242.142.0/24
8.242.144.0/20
8.242.160.0/20
8.242.176.0/21
8.242.184.0/24
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8.242.188.0/24
8.242.191.0/24
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8.242.200.0/21
8.242.208.0/21
8.242.216.0/23
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8.242.226.0/24
8.242.229.0/24
8.242.230.0/24
8.242.231.0/24
8.242.232.0/22
8.242.236.0/22
8.242.240.0/22
8.242.252.0/23
8.243.171.0/24
35.248.0.0/20
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35.248.48.0/20
35.248.64.0/18
35.248.128.0/17
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35.250.0.0/15
45.65.252.0/24
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IPv6 prefixes

All 210 prefixes.

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2a07:aa00:200::/39
2a07:aa00:400::/38
2a07:aa00:800::/37
2a07:aa00:1000::/36
2a07:aa00:2000::/35
2a07:aa00:4000::/34
2a07:aa00:8000::/33
2a07:aa01::/32
2a07:aa02::/31
2a07:aa04::/30

Other ASNs named Level 3 Parent, LLC

8 other networks use the same organisation name; together with AS3549 they announce 32,815,616 IPv4 addresses.

ASNNameIPv4 addresses

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

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

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

AS6128#32 CABLE-NET-1 - Cablevision Systems Corp.4,867,584

AS2914#33 NTT-DATA-2914 - NTT America, Inc.4,832,292

AS6079#34 RCN-AS - RCN4,697,856

AS306#36 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)4,492,288

AS11426#37 TWC-11426-CAROLINAS - Charter Communications Inc4,389,888

AS11351#38 TWC-11351-NORTHEAST - Charter Communications Inc4,317,440

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