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Autonomous System

AS10753

Level 3 Parent, LLC

Announced IPs
435,456
CIDR prefixes
738
ASN
AS10753

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

58/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Active-threat / abuse risk −12
  • Isp allocation +5
  • Trust score 58 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Level 3 Communications

Level 3 Communications, Inc. was an American multinational telecommunications and internet service provider company headquartered in Broomfield, Colorado.

Founded
1985
Headquarters
Frankfurt
Industry
telecommunications industry

⚠ 34 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS10753 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
200.186.22.160/27 AS3356, AS10753, AS198949 2026-09-10 15:25:46
64.9.97.0/24 AS3356, AS10753 2026-09-10 15:25:46
164.156.18.0/24 AS10753, AS18756 2026-09-10 15:25:46
199.5.64.0/18 AS10753, AS18756 2026-09-10 15:25:46
164.156.32.0/19 AS10753, AS18756 2026-09-10 15:25:46
199.20.128.0/17 AS10753, AS18756 2026-09-10 15:25:46
164.156.128.0/17 AS10753, AS18756 2026-09-10 15:25:46
192.149.234.0/24 AS10753, AS394035 2026-09-10 15:25:46
205.172.104.0/22 AS10753, AS18756 2026-09-10 15:25:46
8.242.218.0/24 AS10753, AS27947 2026-09-10 15:25:46
66.193.23.0/24 AS10753, AS400057 2026-09-10 15:25:46
216.52.85.0/24 AS10753, AS25604 2026-09-10 15:25:46
164.157.255.0/24 AS10753, AS18756 2026-09-10 15:25:46
164.157.192.0/19 AS10753, AS18756 2026-09-10 15:25:46
179.0.155.0/24 AS10753, AS52494 2026-09-10 15:25:46

Showing the 15 most recently detected of 34 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

AS10753 — global IP footprint

Cities where AS10753 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
138.15.0.0/16 65.5K
0.0%
Level 3 Parent, LLC US New Jersey Princeton
147.207.0.0/17 32.8K
0.0%
Level 3 Parent, LLC US
147.207.128.0/18 16.4K
0.0%
Level 3 Parent, LLC US
147.207.192.0/19 8.2K
0.0%
Level 3 Parent, LLC US
166.67.96.0/19 8.2K
0.0%
Level 3 Parent, LLC US
168.215.0.0/19 8.2K
13.7%
Level 3 Parent, LLC US
198.143.0.0/19 8.2K
46.0%
Level 3 Parent, LLC US
23.92.144.0/20 4.1K
0.0%
Level 3 Parent, LLC CA
87.98.96.0/20 4.1K
0.0%
Level 3 Parent, LLC NL
132.244.80.0/20 4.1K
0.1%
Level 3 Parent, LLC GB
147.207.224.0/20 4.1K
0.0%
Level 3 Parent, LLC US
178.209.64.0/20 4.1K
0.0%
Level 3 Parent, LLC UA
8.242.128.0/21 2.0K
0.0%
Level 3 Parent, LLC US
13.141.144.0/21 2.0K
0.0%
Level 3 Parent, LLC DE
85.255.176.0/21 2.0K
0.0%
Level 3 Parent, LLC UA
87.98.104.0/21 2.0K
0.0%
Level 3 Parent, LLC US
87.98.112.0/21 2.0K
0.0%
Level 3 Parent, LLC NL
109.204.104.0/21 2.0K
81.2%
Level 3 Parent, LLC GB
162.18.72.0/21 2.0K
18.8%
Level 3 Parent, LLC US
162.251.248.0/21 2.0K
0.0%
Level 3 Parent, LLC US
166.0.88.0/21 2.0K
96.3%
Level 3 Parent, LLC US
205.203.176.0/21 2.0K
0.5%
Level 3 Parent, LLC US
206.106.32.0/21 2.0K
0.0%
Level 3 Parent, LLC US
206.192.80.0/21 2.0K
0.9%
Level 3 Parent, LLC US Pennsylvania Leola
8.242.136.0/22 1.0K
0.1%
Level 3 Parent, LLC US
13.141.140.0/22 1.0K
0.0%
Level 3 Parent, LLC DE
45.95.72.0/22 1.0K
0.0%
GigeNET US
45.139.56.0/22 1.0K
97.9%
Level 3 Parent, LLC CZ
45.142.52.0/22 1.0K
0.0%
Level 3 Parent, LLC US
45.155.196.0/22 1.0K
0.0%
Level 3 Parent, LLC IE
50.114.76.0/22 1.0K
97.6%
Level 3 Parent, LLC US
62.192.120.0/22 1.0K
91.0%
Level 3 Parent, LLC US
66.77.244.0/22 1.0K
23.2%
Level 3 Parent, LLC US
66.128.192.0/22 1.0K
91.1%
Level 3 Parent, LLC US
66.128.204.0/22 1.0K
90.4%
Level 3 Parent, LLC US
75.153.64.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.72.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.80.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.88.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.96.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.104.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.112.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
75.153.120.0/22 1.0K
0.0%
Level 3 Parent, LLC CA
85.189.216.0/22 1.0K
0.0%
Level 3 Parent, LLC US
86.104.160.0/22 1.0K
0.0%
Level 3 Parent, LLC PS
91.200.212.0/22 1.0K
0.0%
Level 3 Parent, LLC UA
141.81.180.0/22 1.0K
0.0%
Level 3 Parent, LLC SE
144.225.200.0/22 1.0K
98.5%
Level 3 Parent, LLC US
147.207.240.0/22 1.0K
0.0%
Level 3 Parent, LLC US
147.207.252.0/22 1.0K
0.0%
Level 3 Parent, LLC US
149.97.48.0/22 1.0K
3.7%
Level 3 Parent, LLC US
151.242.180.0/22 1.0K
0.0%
PAN-LIAN TECHNOLOGY CO., LIMITED AE
157.254.132.0/22 1.0K
0.0%
Level 3 Parent, LLC US
159.14.184.0/22 1.0K
0.3%
Level 3 Parent, LLC US Pennsylvania Philadelphia
164.38.160.0/22 1.0K
0.0%
Level 3 Parent, LLC GB
175.110.72.0/22 1.0K
0.0%
Level 3 Parent, LLC PK
175.110.84.0/22 1.0K
0.0%
Level 3 Parent, LLC PK
185.192.36.0/22 1.0K
0.0%
Level 3 Parent, LLC GB
185.197.228.0/22 1.0K
0.3%
Level 3 Parent, LLC IT Lombardy Brescia
192.144.52.0/22 1.0K
0.0%
Level 3 Parent, LLC CZ
193.203.28.0/22 1.0K
0.0%
GigeNET US
199.197.0.0/22 1.0K
0.0%
Level 3 Parent, LLC US Texas Midland
199.233.244.0/22 1.0K
0.0%
AS7363 US Georgia Atlanta
200.14.84.0/22 1.0K
0.0%
Level 3 Parent, LLC CL
205.144.100.0/22 1.0K
7.1%
Level 3 Parent, LLC US Mississippi Madison
205.153.8.0/22 1.0K
88.2%
Level 3 Parent, LLC US Colorado Thornton
205.188.148.0/22 1.0K
0.0%
Level 3 Parent, LLC LT
205.188.152.0/22 1.0K
0.0%
Level 3 Parent, LLC LT
205.188.228.0/22 1.0K
0.0%
Level 3 Parent, LLC LT
205.203.180.0/22 1.0K
0.0%
Level 3 Parent, LLC US
205.203.184.0/22 1.0K
2.4%
Level 3 Parent, LLC US
206.106.36.0/22 1.0K
0.0%
Level 3 Parent, LLC US
216.38.168.0/22 1.0K
0.0%
Level 3 Parent, LLC US Arizona Phoenix
217.67.68.0/22 1.0K
0.0%
Level 3 Parent, LLC UA
8.28.22.0/23 512
0.2%
Level 3 Parent, LLC US Virginia Alexandria
8.242.140.0/23 512
0.0%
Level 3 Parent, LLC US
8.243.2.0/23 512
0.0%
Level 3 Parent, LLC US
13.143.118.0/23 512
0.0%
Level 3 Parent, LLC US
23.26.162.0/23 512
95.1%
Level 3 Parent, LLC US
23.230.110.0/23 512
0.0%
Level 3 Parent, LLC US
23.230.122.0/23 512
0.0%
Level 3 Parent, LLC US
23.230.136.0/23 512
0.0%
Level 3 Parent, LLC US
23.230.144.0/23 512
0.0%
Level 3 Parent, LLC US
31.76.190.0/23 512
0.0%
Level 3 Parent, LLC US
31.77.234.0/23 512
0.0%
HGC Global Communications Limited US
45.5.180.0/23 512
0.0%
Level 3 Parent, LLC CO Valle del Cauca Department Cali
63.158.166.0/23 512
98.2%
Level 3 Parent, LLC US
63.232.224.0/23 512
1.0%
Level 3 Parent, LLC US
64.8.48.0/23 512
55.9%
Level 3 Parent, LLC US
64.105.218.0/23 512
87.5%
Level 3 Parent, LLC US
64.139.42.0/23 512
93.4%
Level 3 Parent, LLC US
64.139.46.0/23 512
93.9%
Level 3 Parent, LLC US
64.139.48.0/23 512
97.3%
Level 3 Parent, LLC US
64.139.60.0/23 512
97.5%
Level 3 Parent, LLC US
64.144.194.0/23 512
96.1%
Level 3 Parent, LLC US
65.118.188.0/23 512
98.6%
Level 3 Parent, LLC US
67.77.62.0/23 512
5.1%
Level 3 Parent, LLC US Missouri Rolla
67.128.8.0/23 512
99.0%
Level 3 Parent, LLC US
67.128.124.0/23 512
98.8%
Level 3 Parent, LLC US Arizona Casa Grande
69.33.122.0/23 512
0.0%
GTT Communications Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS10753 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
65.125.143.0/24 3,167,086 2026-09-10 15:06:41
200.1.89.0/24 333,195 2026-09-10 15:07:13
200.1.95.0/24 333,087 2026-09-10 15:07:13
200.1.73.0/24 332,833 2026-09-10 15:07:13
200.1.64.0/24 332,763 2026-09-10 15:07:13
200.1.88.0/24 332,625 2026-09-10 15:07:13
200.1.103.0/24 332,565 2026-09-10 15:07:13
200.1.87.0/24 332,511 2026-09-10 15:07:13
200.1.66.0/24 331,998 2026-09-10 15:07:13
200.1.81.0/24 331,936 2026-09-10 15:07:17
149.97.4.0/24 140,978 2026-09-10 15:06:25
167.236.50.0/24 138,750 2026-09-10 15:06:31
149.97.0.0/23 134,668 2026-09-10 15:06:25
149.97.46.0/23 134,658 2026-09-10 15:06:50
8.242.15.0/24 93,075 2026-09-10 15:29:58
200.12.130.0/24 79,399 2026-09-10 15:29:14
74.43.22.0/24 74,700 2026-09-10 15:07:17
64.8.74.0/24 74,465 2026-09-10 15:06:31
8.242.123.0/24 68,525 2026-09-10 15:07:13
193.240.217.0/24 63,505 2026-09-10 15:07:15
64.76.96.0/24 56,725 2026-09-10 15:06:25
200.14.85.0/24 54,302 2026-09-10 15:07:13
200.14.87.0/24 54,098 2026-09-10 15:07:13
193.142.108.0/23 53,163 2026-09-10 15:07:16
199.79.203.0/24 49,867 2026-09-10 15:06:37
190.217.24.0/24 47,508 2026-09-10 15:07:13
158.51.208.0/24 41,436 2026-09-10 15:06:58
149.97.35.0/24 41,314 2026-09-10 15:06:41
149.97.48.0/22 40,478 2026-09-10 15:06:31
149.150.200.0/24 39,918 2026-09-10 15:06:16
151.242.180.0/24 37,528 2026-09-10 14:13:29
194.34.76.0/22 37,111 2026-09-10 15:06:17
199.68.16.0/22 36,978 2026-09-10 15:07:29
149.97.32.0/24 36,202 2026-09-10 15:06:39
149.97.36.0/24 33,747 2026-09-10 15:06:39
149.97.40.0/24 31,142 2026-09-10 15:06:39
63.158.238.0/24 30,473 2026-09-10 15:07:17
149.97.16.0/24 30,389 2026-09-10 15:06:15
149.97.18.0/23 30,188 2026-09-10 15:06:15
8.243.201.0/24 30,112 2026-09-10 15:06:22
149.97.2.0/24 29,798 2026-09-10 15:06:23
149.97.24.0/24 29,777 2026-09-10 15:06:20
149.97.26.0/23 29,633 2026-09-10 15:06:22
64.5.115.0/24 29,051 2026-09-10 15:06:31
8.243.202.0/24 27,117 2026-08-25 15:21:36
74.203.174.0/24 26,676 2026-09-10 15:07:17
8.242.132.0/23 26,582 2026-09-10 15:06:46
8.242.134.0/24 26,524 2026-09-10 15:06:46
8.242.128.0/22 26,485 2026-09-10 15:06:46
8.242.136.0/22 26,469 2026-09-10 15:06:46

Showing top 50 of 1,252 announced prefixes by sample volume.

Frequently Asked Questions

What is AS10753?

AS10753 is an Autonomous System Number assigned to Level 3 Parent, LLC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS10753 announce?

AS10753 announces 435.5K IPv4 addresses distributed across 738 routed CIDR prefixes. The network is registered in United States.

Who operates AS10753?

AS10753 is operated by Level 3 Parent, LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS10753 registered in?

AS10753 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 15:24:05 UTC
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