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AS203

Level 3 Parent, LLC

Aangekondigde IPs
171,520
CIDR-prefixes
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 v1.2.0 — 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

⚠ 22 MOAS prefixes — meerdere origin ASNs gedetecteerd

Alle MOAS-anomalieën →

Een voorheen stabiele prefix afkomstig van AS203 wordt nu ook aangekondigd door een andere ASN (MOAS — Multiple-Origin AS), gedetecteerd door onze RIPE RIS-collectoren. Vaak goedaardig (anycast, multi-homing of een recente overdracht) — maar het kan duiden op een route leak of prefix hijack, dus het is de moeite waard om te onderzoeken.

PrefixOrigin ASNsLaatst gedetecteerd (UTC)
216.33.160.0/24 AS203, AS3561, AS10753 2026-07-24 14:08:48
204.17.219.0/24 AS203, AS23015 2026-07-24 14:08:48
63.144.218.0/24 AS203, AS22587 2026-07-24 14:08:48
205.140.226.0/24 AS203, AS3356 2026-07-24 14:08:48
63.150.74.0/23 AS203, AS22587 2026-07-24 14:08:48
170.46.132.0/23 AS203, AS18697 2026-07-24 14:08:48
170.46.162.0/24 AS203, AS18697 2026-07-24 14:08:48
170.46.0.0/16 AS203, AS18697 2026-07-24 14:08:48
65.222.131.0/24 AS203, AS46909 2026-07-24 14:08:48
65.240.184.0/23 AS203, AS22587 2026-07-24 14:08:48
170.46.200.0/24 AS203, AS18697 2026-07-24 14:08:48
205.166.171.0/24 AS203, AS26845 2026-07-24 14:08:48
170.46.150.0/24 AS203, AS18697 2026-07-24 14:08:48
63.106.6.0/24 AS203, AS22587 2026-07-24 14:08:48
216.114.73.0/24 AS203, AS400494 2026-07-24 14:08:48

Toont de 15 meest recent gedetecteerde van 22 MOAS prefixes. Veel multi-origin prefixes op grote netwerken zijn goedaardig (anycast); zie alle MOAS-anomalieën.

Top CIDR-bereiken

CIDRIPsPTR DensityOrganisatieLandStateCity
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

BGP Aangekondigde Prefixes

Live BGP-anomalieën →

Prefixes AS203 daadwerkelijk afkomstig uit BGP, waargenomen door onze RIPE RIS-collectoren. Deze live routingweergave kan afwijken van de bovenstaande registry-toewijzing.

PrefixAankondigingsvoorbeeldenLaatst gezien
204.146.159.0/24 7,769 2026-07-24 11:18:20
143.199.135.0/24 6,330 2026-07-24 13:53:43
143.199.28.0/24 6,329 2026-07-24 13:53:43
192.26.214.0/24 6,327 2026-07-24 13:54:02
143.199.222.0/24 6,313 2026-07-24 13:53:43
143.199.109.0/24 6,311 2026-07-24 13:53:43
148.59.168.0/24 6,219 2026-07-24 13:53:43
8.41.218.0/24 5,931 2026-05-31 02:33:00
143.199.140.0/23 5,605 2026-07-24 13:53:43
143.199.96.0/24 5,600 2026-07-24 13:53:43
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 4,991 2026-07-24 13:53:43
8.18.63.0/24 4,832 2026-07-24 13:53:44
8.44.205.0/24 4,650 2026-07-24 13:53:44
8.20.69.0/24 4,517 2026-07-24 13:53:43
8.25.26.0/24 4,500 2026-07-24 13:53:43
8.15.229.0/24 4,334 2026-07-24 13:53:43
189.125.51.0/24 4,314 2026-07-24 13:59:53
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
8.7.155.0/24 4,195 2026-07-24 13:53:43
212.26.53.0/24 4,092 2026-07-13 06:46:21
50.58.252.0/24 3,965 2026-07-24 13:53:44
205.166.171.0/24 3,936 2026-07-24 13:53:44
38.107.240.0/24 3,889 2026-07-24 13:53:43
62.67.222.0/24 3,786 2026-07-24 13:53:43
64.241.121.0/24 3,698 2026-07-24 13:53:43
64.241.120.0/24 3,666 2026-07-24 13:53:43
128.177.179.0/24 3,655 2026-07-24 13:53:43
64.208.127.0/24 3,634 2026-07-24 13:53:43
156.42.224.0/19 3,621 2026-07-24 13:53:43
161.209.96.0/20 3,618 2026-07-24 13:53:43
161.209.100.0/24 3,610 2026-07-24 13:53:43
63.128.1.0/24 3,609 2026-07-24 13:53:43
63.128.14.0/24 3,608 2026-07-24 13:53:43
63.128.24.0/24 3,605 2026-07-24 13:53:43
161.209.225.0/24 3,603 2026-07-24 13:53:43
63.128.0.0/22 3,603 2026-07-24 13:53:43
161.209.192.0/19 3,598 2026-07-24 13:53:43
63.128.12.0/24 3,598 2026-07-24 13:53:43
156.42.64.0/19 3,596 2026-07-24 13:53:43
63.128.7.0/24 3,594 2026-07-24 13:53:43
64.209.141.0/24 3,593 2026-07-24 13:53:43
156.42.160.0/19 3,593 2026-07-24 13:53:43
161.209.97.0/24 3,588 2026-07-24 13:53:43
158.120.127.0/24 3,588 2026-07-24 13:53:43
161.209.103.0/24 3,587 2026-07-24 13:53:43
64.22.148.0/24 3,587 2026-07-24 13:53:43
161.209.96.0/24 3,586 2026-07-24 13:53:43

Toon top 50 of 207 aangekondigde prefixes per steekproefvolume.

Frequently Asked Questions

Wat is AS203?

AS203 is een Autonomous System Number toegewezen aan Level 3 Parent, LLC. Een ASN identificeert een netwerk dat een specifieke set IP-adressen beheert en bepaalt hoe verkeer over het internet wordt gerouteerd via BGP (Border Gateway Protocol).

Hoeveel IP-adressen kondigt AS203 aan?

AS203 kondigt 171.5K IPv4-adressen aan, verdeeld over 73 gerouteerde CIDR prefixes. Het netwerk is geregistreerd in United States.

Wie beheert AS203?

AS203 wordt beheerd door Level 3 Parent, LLC. De organisatie is gevestigd in United States. U kunt alle IP-bereiken en gerelateerde ASNs bekijken op de organisatiepagina.

In welk land is AS203 geregistreerd?

AS203 is geregistreerd in United States. Dit geeft aan waar de netwerkoperator is gevestigd, hoewel de IP-adressen die het aankondigt wereldwijd gebruikers kunnen bedienen.

Laatst bijgewerkt: 2026-07-24 14:10:31 UTC
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