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Sistema Autónomo

AS18756

Level 3 Parent, LLC

IPs anunciadas
55,552
Prefijos 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 rangos CIDR

CIDRIPsPTR DensityOrganizaciónPaísStateCity
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

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS18756 se origina realmente en BGP, observado a través de nuestros colectores RIPE RIS. Esta vista de enrutamiento en vivo puede diferir de la asignación de registro anterior.

PrefixMuestras de anuncioÚltima vez visto
8.38.177.0/24 13,663 2026-07-24 22:06:01
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

¿Qué es AS18756?

AS18756 es un Número de Sistema Autónomo asignado a Level 3 Parent, LLC. Un ASN identifica una red que controla un conjunto específico de direcciones IP y determina cómo se enruta el tráfico a través de internet mediante BGP (Border Gateway Protocol).

¿Cuántas direcciones IP anuncia AS18756?

AS18756 anuncia 55.6K direcciones IPv4 distribuidas en 36 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS18756?

AS18756 es operado por Level 3 Parent, LLC. La organización tiene su sede en United States. Puedes ver todos los rangos de IP y los ASNs relacionados en la página de la organización.

¿En qué país está registrado AS18756?

AS18756 está registrado en United States. Esto indica dónde tiene su sede el operador de red, aunque las direcciones IP que anuncia pueden servir a usuarios a nivel global.

Última actualización: 2026-07-24 22:55:31 UTC
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