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Sistema Autónomo

AS203

Level 3 Parent, LLC

IPs anunciadas
171,520
Prefijos CIDR
73
ASN
AS203

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
  • Multiple-origin (MOAS) routing anomaly −12
  • Isp allocation +5
  • Trust score 58 / 100

Experimental · trust-vectors model v1.1.0 — 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

⚠ 22 Prefijo MOASes — múltiples ASNs de origen detectados

Todas las anomalías MOAS →

Un prefijo previamente estable originado por AS203 es ahora también anunciado por otro ASN (MOAS — Multiple-Origin AS), detectado por nuestros colectores RIPE RIS. A menudo es benigno (anycast, multi-homing o una transferencia reciente), pero puede indicar una fuga de ruta o un secuestro de prefijo, por lo que vale la pena investigarlo.

PrefijoASNs de origenÚltima detección (UTC)
216.33.160.0/24 AS203, AS3561, AS10753 2026-07-23 06:53:27
165.107.214.0/24 AS203, AS2642 2026-07-23 06:53:27
205.140.226.0/24 AS203, AS3356 2026-07-23 06:53:27
170.46.0.0/16 AS203, AS18697 2026-07-23 06:53:27
65.222.131.0/24 AS203, AS46909 2026-07-23 06:53:27
170.46.200.0/24 AS203, AS18697 2026-07-23 06:53:27
205.166.171.0/24 AS203, AS26845 2026-07-23 06:53:27
63.106.6.0/24 AS203, AS22587 2026-07-23 06:53:27
143.199.145.0/24 AS203, AS21680 2026-07-23 06:53:27
66.193.107.0/24 AS203, AS22509 2026-07-23 06:53:27
192.26.214.0/24 AS203, AS10753 2026-07-22 23:23:24
204.17.219.0/24 AS203, AS23015 2026-07-22 23:23:24
63.144.218.0/24 AS203, AS22587 2026-07-22 23:23:24
63.150.74.0/23 AS203, AS22587 2026-07-22 23:23:24
170.46.132.0/23 AS203, AS18697 2026-07-22 23:23:24

Mostrando los 15 más recientemente detectados de 22 prefijos MOAS. Muchos prefijos de origen múltiple en grandes redes son benignos (anycast); ver todas las anomalías MOAS.

Principales rangos CIDR

CIDRIPsPTR DensityOrganizaciónPaísStateCity
156.42.0.0/16 65.5K
0.4%
Level 3 Parent, LLC US Arizona Phoenix
170.46.0.0/16 65.5K
0.0%
Level 3 Parent, LLC US Vermont Rutland
161.209.192.0/19 8.2K
0.0%
Level 3 Parent, LLC US California South Gate
161.209.96.0/20 4.1K
0.0%
Level 3 Parent, LLC US
216.163.240.0/20 4.1K
5.2%
Level 3 Parent, LLC US New Jersey Chatham
161.209.96.0/21 2.0K
0.0%
Level 3 Parent, LLC US
216.235.200.0/21 2.0K
1.9%
Level 3 Parent, LLC US
63.128.0.0/22 1.0K
0.0%
Level 3 Parent, LLC US
63.128.8.0/22 1.0K
0.0%
Level 3 Parent, LLC US
205.139.104.0/22 1.0K
2.7%
Level 3 Parent, LLC US
209.67.132.0/22 1.0K
0.0%
Level 3 Parent, LLC US
209.67.136.0/22 1.0K
0.0%
Level 3 Parent, LLC US
209.164.192.0/22 1.0K
3.8%
Level 3 Parent, LLC US
63.150.74.0/23 512
16.2%
Global Payments, Inc. US
64.241.120.0/23 512
0.0%
Level 3 Parent, LLC US
65.240.184.0/23 512
8.6%
Global Payments, Inc. US
143.199.140.0/23 512
0.0%
Level 3 Parent, LLC US
170.46.132.0/23 512
0.0%
Level 3 Parent, LLC US
204.153.154.0/23 512
2.1%
Level 3 Parent, LLC US Arizona Chandler
205.139.102.0/23 512
0.0%
Level 3 Parent, LLC US
209.164.204.0/23 512
0.0%
Level 3 Parent, LLC US
209.164.208.0/23 512
5.5%
Level 3 Parent, LLC US
209.164.220.0/23 512
4.1%
Level 3 Parent, LLC US
8.7.155.0/24 256
0.4%
Level 3 Parent, LLC US
8.15.229.0/24 256
0.0%
Level 3 Parent, LLC US
8.18.63.0/24 256
0.0%
Level 3 Parent, LLC US
8.20.69.0/24 256
5.5%
Level 3 Parent, LLC US
8.25.26.0/24 256
0.0%
Level 3 Parent, LLC US
8.44.205.0/24 256
0.0%
Level 3 Parent, LLC US
38.107.240.0/24 256
0.0%
Level 3 Parent, LLC US Texas Dallas
62.67.222.0/24 256
0.0%
Level 3 Parent, LLC GB
63.106.6.0/24 256
9.0%
Global Payments, Inc. US
63.128.7.0/24 256
0.0%
Level 3 Parent, LLC US
63.128.12.0/24 256
0.0%
Level 3 Parent, LLC US
63.128.14.0/24 256
0.8%
Level 3 Parent, LLC US Massachusetts Boston
63.128.20.0/24 256
0.0%
Level 3 Parent, LLC US
63.128.24.0/24 256
0.0%
Level 3 Parent, LLC US
63.144.218.0/24 256
15.6%
Global Payments, Inc. US
64.22.148.0/24 256
0.0%
Level 3 Parent, LLC US
64.208.127.0/24 256
8.2%
Level 3 Parent, LLC US
64.209.141.0/24 256
0.0%
Level 3 Parent, LLC US
64.210.246.0/24 256
0.0%
Level 3 Parent, LLC US
65.222.131.0/24 256
93.8%
Level 3 Parent, LLC US New Jersey Cherry Hill
66.193.107.0/24 256
0.0%
Level 3 Parent, LLC US
66.194.187.0/24 256
37.9%
Level 3 Parent, LLC US
128.177.179.0/24 256
7.8%
Level 3 Parent, LLC US District of Columbia Washington
143.199.28.0/24 256
0.0%
Level 3 Parent, LLC US
143.199.96.0/24 256
0.0%
Level 3 Parent, LLC US Massachusetts Medfield
143.199.109.0/24 256
0.0%
Level 3 Parent, LLC US
143.199.135.0/24 256
0.0%
Level 3 Parent, LLC US
143.199.145.0/24 256
0.0%
Level 3 Parent, LLC US
143.199.222.0/24 256
0.0%
Level 3 Parent, LLC US
148.59.168.0/24 256
0.0%
Level 3 Parent, LLC US
148.59.169.0/24 256
0.8%
Level 3 Parent, LLC US
158.120.127.0/24 256
0.4%
Level 3 Parent, LLC US Colorado Colorado Springs
161.209.111.0/24 256
0.0%
Level 3 Parent, LLC US
161.209.225.0/24 256
0.8%
Level 3 Parent, LLC US
170.22.90.0/24 256
0.0%
Level 3 Parent, LLC US
170.46.10.0/24 256
0.0%
Level 3 Parent, LLC US
170.46.150.0/24 256
0.0%
Level 3 Parent, LLC US
170.46.155.0/24 256
0.0%
Level 3 Parent, LLC US
170.46.162.0/24 256
0.0%
Level 3 Parent, LLC US
170.46.200.0/24 256
0.0%
Level 3 Parent, LLC US
170.203.252.0/24 256
6.3%
Level 3 Parent, LLC US
189.125.51.0/24 256
0.0%
Level 3 Parent, LLC BR
192.26.214.0/24 256
0.0%
Level 3 Parent, LLC US
192.42.110.0/24 256
7.8%
Level 3 Parent, LLC US District of Columbia Washington
192.147.2.0/24 256
0.4%
Level 3 Parent, LLC US
198.135.250.0/24 256
0.0%
Level 3 Parent, LLC US
198.200.148.0/24 256
0.0%
Level 3 Parent, LLC US
204.146.159.0/24 256
0.0%
Level 3 Parent, LLC US
204.164.72.0/24 256
7.4%
Level 3 Parent, LLC US
205.139.108.0/24 256
0.0%
Level 3 Parent, LLC US
206.79.6.0/24 256
0.0%
Level 3 Parent, LLC US
206.169.67.0/24 256
0.0%
Level 3 Parent, LLC US
209.164.207.0/24 256
0.4%
Level 3 Parent, LLC US
209.164.211.0/24 256
0.0%
Level 3 Parent, LLC US
209.164.223.0/24 256
0.8%
Level 3 Parent, LLC US
216.32.151.0/24 256
0.4%
Level 3 Parent, LLC US
216.33.160.0/24 256
5.1%
Level 3 Parent, LLC US
216.114.73.0/24 256
0.0%
Level 3 Parent, LLC US

Prefijos BGP anunciados

Anomalías BGP en vivo →

Prefijos AS203 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
204.146.159.0/24 7,692 2026-07-23 06:20:27
143.199.135.0/24 6,272 2026-07-23 06:20:25
143.199.28.0/24 6,271 2026-07-23 06:20:25
192.26.214.0/24 6,257 2026-07-23 06:20:52
143.199.222.0/24 6,255 2026-07-23 06:20:25
143.199.109.0/24 6,253 2026-07-23 06:20:25
148.59.168.0/24 6,161 2026-07-23 06:20:25
8.41.218.0/24 5,931 2026-05-31 02:33:00
143.199.140.0/23 5,549 2026-07-23 06:20:25
143.199.96.0/24 5,544 2026-07-23 06:20:25
161.7.38.0/24 5,378 2026-06-04 15:43:25
161.7.129.0/24 5,347 2026-06-04 15:43:25
143.199.145.0/24 4,937 2026-07-23 06:20:25
8.18.63.0/24 4,759 2026-07-23 06:20:05
8.44.205.0/24 4,583 2026-07-23 06:20:05
8.20.69.0/24 4,446 2026-07-23 06:19:58
8.25.26.0/24 4,429 2026-07-23 06:19:58
165.193.54.0/23 4,309 2026-06-03 22:36:21
205.139.32.0/23 4,295 2026-06-03 22:36:21
8.15.229.0/24 4,269 2026-07-23 06:19:58
189.125.51.0/24 4,230 2026-07-23 06:42:42
8.7.155.0/24 4,132 2026-07-23 06:19:58
212.26.53.0/24 4,092 2026-07-13 06:46:21
50.58.252.0/24 3,929 2026-07-23 06:20:01
205.166.171.0/24 3,904 2026-07-23 06:20:01
38.107.240.0/24 3,800 2026-07-23 06:19:58
62.67.222.0/24 3,716 2026-07-23 06:19:58
64.241.121.0/24 3,638 2026-07-23 06:19:58
64.241.120.0/24 3,606 2026-07-23 06:19:58
128.177.179.0/24 3,580 2026-07-23 06:20:22
64.208.127.0/24 3,574 2026-07-23 06:19:58
156.42.224.0/19 3,556 2026-07-23 06:20:27
161.209.96.0/20 3,554 2026-07-23 06:20:27
63.128.1.0/24 3,549 2026-07-23 06:19:58
63.128.14.0/24 3,548 2026-07-23 06:19:58
161.209.100.0/24 3,546 2026-07-23 06:20:27
63.128.24.0/24 3,545 2026-07-23 06:19:58
63.128.0.0/22 3,543 2026-07-23 06:19:58
63.128.12.0/24 3,538 2026-07-23 06:19:58
161.209.225.0/24 3,538 2026-07-23 06:20:27
63.128.7.0/24 3,534 2026-07-23 06:19:58
161.209.192.0/19 3,533 2026-07-23 06:20:27
64.209.141.0/24 3,533 2026-07-23 06:19:58
156.42.64.0/19 3,531 2026-07-23 06:20:27
156.42.160.0/19 3,528 2026-07-23 06:20:27
64.22.148.0/24 3,527 2026-07-23 06:19:58
63.128.8.0/22 3,525 2026-07-23 06:19:58
161.209.97.0/24 3,524 2026-07-23 06:20:27
158.120.127.0/24 3,524 2026-07-23 06:20:27
63.128.20.0/24 3,524 2026-07-23 06:19:58

Mostrando los principales 50 of 207 prefijos anunciados por volumen de muestra.

Frequently Asked Questions

¿Qué es AS203?

AS203 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 AS203?

AS203 anuncia 171.5K direcciones IPv4 distribuidas en 73 prefijos CIDR enrutados. La red está registrada en United States.

¿Quién opera AS203?

AS203 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 AS203?

AS203 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: 2026-07-23 06:55:31 UTC
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