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AS203

Level 3 Parent, LLC

IPs Anunciados
171,520
Prefixos 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 Prefixo MOASes — múltiplos ASNs de origem detectados

Todas as anomalias MOAS →

Um prefixo anteriormente estável originado por AS203 é agora também anunciado por outro ASN (MOAS — Multiple-Origin AS), detectado a partir de nossos coletores RIPE RIS. Frequentemente benigno (anycast, multi-homing ou uma transferência recente) — mas pode sinalizar um vazamento de rota ou sequestro de prefixo, então vale a pena inspecionar.

PrefixoASNs de OrigemÚltima detecção (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 os 15 mais recentemente detectados de 22 prefixos MOAS. Muitos prefixos de múltiplas origens em grandes redes são benignos (anycast); veja todas as anomalias MOAS.

Principais intervalos CIDR

CIDRIPsPTR DensityOrganizaçãoPaísStateCity
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

Prefixos BGP Anunciados

Anomalias BGP ao vivo →

Prefixos AS203 realmente se origina no BGP, observado em nossos coletores RIPE RIS. Esta visualização de roteamento ao vivo pode diferir da alocação de registro acima.

PrefixAmostras de anúncioÚltima 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 os principais 50 of 207 prefixos anunciados por volume de amostras.

Frequently Asked Questions

O que é AS203?

AS203 é um Autonomous System Number atribuído a Level 3 Parent, LLC. Um ASN identifica uma rede que controla um conjunto específico de endereços IP e determina como o tráfego é roteado pela internet via BGP (Border Gateway Protocol).

Quantos endereços IP o AS203 anuncia?

AS203 anuncia 171.5K endereços IPv4 distribuídos por 73 prefixos CIDR roteados. A rede está registrada em United States.

Quem opera o AS203?

AS203 é operado por Level 3 Parent, LLC. A organização está sediada em United States. Você pode ver todos os intervalos de IP e ASNs relacionados na página da organização.

Em que país o AS203 está registrado?

AS203 está registrado em United States. Isso indica onde o operador de rede está sediado, embora os endereços IP que ele anuncia possam atender usuários globalmente.

Última atualização: 2026-07-23 06:55:31 UTC
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