Skip to main content
WorldIP.io
Système Autonome

AS18756

Level 3 Parent, LLC

IPs annoncées
55,552
Préfixes CIDR
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

Principales plages CIDR

CIDRIPsPTR DensityOrganisationPaysStateCity
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

Préfixes BGP annoncés

Anomalies BGP en direct →

Préfixes AS18756 provient réellement du BGP, observé par nos collecteurs RIPE RIS. Cette vue de routage en direct peut différer de l'allocation de registre ci-dessus.

PrefixÉchantillons d'annonceDernière vue
8.38.177.0/24 13,665 2026-07-24 23:50:12
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

Qu'est-ce que l'AS18756 ?

L'AS18756 est un numéro de système autonome attribué à Level 3 Parent, LLC. Un ASN identifie un réseau qui contrôle un ensemble spécifique d'adresses IP et détermine comment le trafic est acheminé sur internet via BGP (Border Gateway Protocol).

Combien d'adresses IP l'AS18756 annonce-t-il ?

L'AS18756 annonce 55.6K adresses IPv4 réparties sur 36 préfixes CIDR routés. Le réseau est enregistré en United States.

Qui opère l'AS18756 ?

L'AS18756 est opéré par Level 3 Parent, LLC. L'organisation est basée en United States. Vous pouvez consulter toutes les plages IP et les ASN associés sur la page de l'organisation.

Dans quel pays l'AS18756 est-il enregistré ?

L'AS18756 est enregistré en United States. Cela indique où le siège de l'opérateur de réseau est situé, bien que les adresses IP qu'il annonce puissent servir des utilisateurs dans le monde entier.

Dernière mise à jour : 2026-07-25 05:10:31 UTC
Share