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Autonomes System

AS18756

Level 3 Parent, LLC

Angezeigte IPs
55,552
CIDR-Präfixe
36
ASN
AS18756

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.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 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

Top CIDR-Bereiche

CIDRIPsPTR DensityOrganisationLandStateCity
164.156.0.0/16 65.5K
0.0%
Level 3 Parent, LLC US Pennsylvania Archbald
164.157.0.0/17 32.8K
0.0%
Level 3 Parent, LLC US
199.20.128.0/17 32.8K
0.0%
Level 3 Parent, LLC US
164.157.128.0/18 16.4K
0.0%
Level 3 Parent, LLC US
199.5.64.0/18 16.4K
0.0%
Level 3 Parent, LLC US
199.20.128.0/18 16.4K
0.0%
Level 3 Parent, LLC US
164.157.192.0/19 8.2K
0.0%
Level 3 Parent, LLC US
199.5.96.0/19 8.2K
0.0%
Level 3 Parent, LLC US
206.224.0.0/19 8.2K
0.0%
Level 3 Parent, LLC US
199.5.80.0/20 4.1K
0.0%
Level 3 Parent, LLC US
199.20.192.0/20 4.1K
0.0%
Level 3 Parent, LLC US
199.20.224.0/20 4.1K
0.0%
Level 3 Parent, LLC US
199.79.0.0/20 4.1K
0.0%
Level 3 Parent, LLC US
205.172.80.0/20 4.1K
0.0%
Level 3 Parent, LLC US
199.5.72.0/21 2.0K
0.0%
Level 3 Parent, LLC US
199.20.208.0/21 2.0K
0.0%
Level 3 Parent, LLC US
199.20.240.0/21 2.0K
0.0%
Level 3 Parent, LLC US
205.172.72.0/21 2.0K
0.0%
Level 3 Parent, LLC US
205.172.96.0/21 2.0K
0.0%
Level 3 Parent, LLC US
164.157.248.0/22 1.0K
0.0%
Level 3 Parent, LLC US
199.5.68.0/22 1.0K
0.0%
Level 3 Parent, LLC US
199.20.216.0/22 1.0K
0.0%
Level 3 Parent, LLC US
199.20.248.0/22 1.0K
0.0%
Level 3 Parent, LLC US
205.172.104.0/22 1.0K
0.0%
Level 3 Parent, LLC US
206.224.16.0/22 1.0K
0.0%
Level 3 Parent, LLC US
206.224.28.0/22 1.0K
0.4%
Level 3 Parent, LLC US
164.157.254.0/23 512
0.0%
Level 3 Parent, LLC US
199.5.66.0/23 512
0.0%
Level 3 Parent, LLC US
199.20.220.0/23 512
0.0%
Level 3 Parent, LLC US
199.20.252.0/23 512
0.0%
Level 3 Parent, LLC US
206.224.2.0/23 512
0.0%
Level 3 Parent, LLC US
206.224.6.0/23 512
0.0%
Level 3 Parent, LLC US
206.224.22.0/23 512
0.4%
Level 3 Parent, LLC US
8.20.65.0/24 256
0.0%
Level 3 Parent, LLC US
8.38.177.0/24 256
0.0%
Level 3 Parent, LLC US
164.157.249.0/24 256
0.0%
Level 3 Parent, LLC US
164.157.251.0/24 256
0.0%
Level 3 Parent, LLC US
164.157.255.0/24 256
0.0%
Level 3 Parent, LLC US
199.5.64.0/24 256
0.0%
Level 3 Parent, LLC US
199.20.223.0/24 256
0.0%
Level 3 Parent, LLC US
199.20.255.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.1.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.4.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.8.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.12.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.14.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.21.0/24 256
0.8%
Level 3 Parent, LLC US
206.224.24.0/24 256
0.0%
Level 3 Parent, LLC US
206.224.26.0/24 256
0.0%
Level 3 Parent, LLC US

BGP-angekündigte Präfixe

Live BGP-Anomalien →

Präfixe AS18756 stammt tatsächlich aus BGP, beobachtet über unsere RIPE RIS Kollektoren. Diese Live-Routing-Ansicht kann von der oben genannten Registry-Zuweisung abweichen.

PrefixAnkündigungs-StichprobenZuletzt gesehen
8.38.177.0/24 13,659 2026-07-24 20:06:18
8.20.65.0/24 11,791 2026-07-14 05:40:58
164.156.16.0/23 4,688 2026-07-10 14:07:05
164.157.255.0/24 4,559 2026-07-14 05:32:20
164.157.128.0/18 4,523 2026-07-14 05:30:20
164.157.0.0/17 4,522 2026-07-14 05:30:20
164.156.0.0/16 4,521 2026-07-14 05:30:20
164.156.128.0/17 4,520 2026-07-14 05:30:48
164.156.24.0/21 4,518 2026-07-14 05:30:48
164.156.19.0/24 4,517 2026-07-14 05:30:20
206.224.0.0/19 4,516 2026-07-14 05:30:20
199.20.128.0/17 4,515 2026-07-14 05:30:20
199.79.0.0/20 4,515 2026-07-14 05:30:20
164.157.192.0/19 4,513 2026-07-14 05:30:20
205.172.80.0/20 4,512 2026-07-14 05:30:20
164.157.248.0/22 4,512 2026-07-14 05:30:48
164.156.0.0/20 4,512 2026-07-14 05:30:48
164.156.64.0/18 4,508 2026-07-14 05:30:48
164.156.20.0/22 4,507 2026-07-14 05:30:48
164.156.32.0/19 4,505 2026-07-14 05:30:48
205.172.104.0/22 4,502 2026-07-14 05:30:20
164.156.18.0/24 4,500 2026-07-14 05:30:48
199.5.64.0/18 4,499 2026-07-14 05:30:20
205.172.96.0/21 4,495 2026-07-14 05:30:20
205.172.72.0/21 4,494 2026-07-14 05:30:20
164.157.250.0/24 4,207 2026-07-07 18:45:45
199.20.254.0/24 4,198 2026-07-07 18:45:45
164.157.248.0/24 4,194 2026-07-07 18:45:45
199.20.222.0/24 4,189 2026-07-07 18:45:45
199.5.65.0/24 4,188 2026-07-07 18:45:45
206.224.11.0/24 3,563 2026-07-07 18:45:09
206.224.5.0/24 3,563 2026-07-07 18:45:09
206.224.0.0/24 3,562 2026-07-07 18:45:09
206.224.15.0/24 3,561 2026-07-07 18:45:09
206.224.27.0/24 3,561 2026-07-07 18:45:09
206.224.20.0/24 3,560 2026-07-07 18:45:09
206.224.9.0/24 3,559 2026-07-07 18:45:09
206.224.13.0/24 3,556 2026-07-07 18:45:09
206.224.25.0/24 3,556 2026-07-07 18:45:09
164.157.254.0/24 1,972 2026-07-07 06:08:43

Frequently Asked Questions

Was ist AS18756?

AS18756 ist eine Autonomous System Number, die Level 3 Parent, LLC zugewiesen ist. Eine ASN identifiziert ein Netzwerk, das einen bestimmten Satz von IP-Adressen kontrolliert und bestimmt, wie der Datenverkehr über das Internet via BGP (Border Gateway Protocol) geleitet wird.

Wie viele IP-Adressen kündigt AS18756 an?

AS18756 kündigt 55.6K IPv4-Adressen an, verteilt auf 36 geroutete CIDR-Präfixe. Das Netzwerk ist in United States registriert.

Wer betreibt AS18756?

AS18756 wird von Level 3 Parent, LLC betrieben. Die Organisation hat ihren Sitz in United States. Sie können alle IP-Bereiche und zugehörigen ASNs auf der Organisationsseite einsehen.

In welchem Land ist AS18756 registriert?

AS18756 ist in United States registriert. Dies gibt an, wo der Netzwerkbetreiber seinen Hauptsitz hat, obwohl die von ihm angekündigten IP-Adressen Benutzer weltweit bedienen können.

Zuletzt aktualisiert: 2026-07-24 20:25:31 UTC
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