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자율 시스템

AS203

Level 3 Parent, LLC

Level 3 Parent, LLC United States 🌐 level3.com
공지된 IP
307,712
CIDR 프리픽스
104
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
  • Active-threat / abuse risk −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 industry
Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

⚠ 23 MOAS 접두사es — 다중 원본 AS 감지됨

모든 MOAS 이상 →

이전에 AS에서 시작된 안정적인 접두사203 는 당사의 RIPE RIS 수집기에서 감지된 다른 ASN(MOAS — Multiple-Origin AS)에 의해 현재 공지되고 있습니다. 이는 종종 양성(애니캐스트, 멀티호밍 또는 최근 전송)이지만, 경로 유출 또는 접두사 하이재킹을 나타낼 수 있으므로 검사할 가치가 있습니다.

접두사원본 AS마지막 감지 (UTC)
156.93.228.0/24 AS203, AS10695 2026-09-11 00:55:49
63.144.218.0/24 AS203, AS22587 2026-09-11 00:55:49
63.150.74.0/23 AS203, AS22587 2026-09-11 00:55:49
170.46.132.0/23 AS203, AS18697 2026-09-11 00:55:49
170.46.162.0/24 AS203, AS18697 2026-09-11 00:55:49
143.199.96.0/24 AS203, AS21680 2026-09-11 00:55:49
148.59.168.0/24 AS203, AS26845 2026-09-11 00:55:49
170.46.0.0/16 AS203, AS18697 2026-09-11 00:55:49
65.222.131.0/24 AS203, AS46909 2026-09-11 00:55:49
65.240.184.0/23 AS203, AS22587 2026-09-11 00:55:49
170.46.200.0/24 AS203, AS18697 2026-09-11 00:55:49
205.166.171.0/24 AS203, AS26845 2026-09-11 00:55:49
170.46.150.0/24 AS203, AS18697 2026-09-11 00:55:49
204.17.219.0/24 AS203, AS23015 2026-09-11 00:55:49
63.106.6.0/24 AS203, AS22587 2026-09-11 00:55:49

가장 최근에 감지된 15개 표시 23 MOAS 접두사. 대규모 네트워크의 많은 다중 원본 접두사는 양성(애니캐스트)입니다. 다음을 참조하십시오. 모든 MOAS 이상.

상위 CIDR 범위

CIDRIPPTR Density조직국가StateCity
149.21.0.0/16 65.5K
0.0%
McKesson Corp. US — —
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
143.112.0.0/17 32.8K
0.0%
McKesson Corp. US Virginia Woodbridge
156.42.128.0/17 32.8K
0.0%
Level 3 Parent, LLC US Arizona Phoenix
143.112.128.0/18 16.4K
0.0%
Level 3 Parent, LLC US Nevada Henderson
156.42.64.0/18 16.4K
0.0%
Level 3 Parent, LLC US Arizona Phoenix
156.42.128.0/18 16.4K
0.0%
Level 3 Parent, LLC US Arizona Phoenix
143.112.160.0/19 8.2K
0.0%
Level 3 Parent, LLC US — —
143.112.192.0/19 8.2K
0.0%
Level 3 Parent, LLC US — —
156.42.32.0/19 8.2K
0.0%
Level 3 Parent, LLC US Arizona Phoenix
156.42.224.0/19 8.2K
0.0%
Level 3 Parent, LLC US — —
161.209.192.0/19 8.2K
0.0%
Level 3 Parent, LLC US California Long Beach
143.112.144.0/20 4.1K
0.0%
Level 3 Parent, LLC US Nevada Henderson
143.112.224.0/20 4.1K
0.0%
Level 3 Parent, LLC US — —
161.209.96.0/20 4.1K
0.0%
Level 3 Parent, LLC US — —
206.203.96.0/20 4.1K
0.0%
McKesson Corp. US — —
216.163.240.0/20 4.1K
5.2%
Level 3 Parent, LLC US New Jersey Chatham
143.112.136.0/21 2.0K
0.0%
Level 3 Parent, LLC US — —
143.112.240.0/21 2.0K
0.0%
Level 3 Parent, LLC US — —
156.42.208.0/21 2.0K
0.0%
Level 3 Parent, LLC US — —
161.209.96.0/21 2.0K
0.0%
Level 3 Parent, LLC US — —
206.203.112.0/21 2.0K
0.0%
McKesson Corp. 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 — —
143.112.132.0/22 1.0K
0.0%
Level 3 Parent, LLC US — —
143.112.248.0/22 1.0K
0.0%
Level 3 Parent, LLC US — —
205.139.104.0/22 1.0K
2.7%
Level 3 Parent, LLC US — —
206.203.68.0/22 1.0K
0.0%
Level 3 Parent, LLC US — —
206.203.84.0/22 1.0K
0.0%
McKesson Corp. US — —
206.203.124.0/22 1.0K
0.0%
McKesson Corp. US — —
206.227.192.0/22 1.0K
0.0%
Level 3 Parent, LLC US — —
206.227.208.0/22 1.0K
0.0%
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 — —
143.112.252.0/23 512
0.0%
Level 3 Parent, LLC US — —
143.199.140.0/23 512
0.0%
Level 3 Parent, LLC US — —
204.153.154.0/23 512
2.1%
Level 3 Parent, LLC US Arizona Peoria
205.139.102.0/23 512
0.0%
Level 3 Parent, LLC US — —
206.203.76.0/23 512
0.0%
Level 3 Parent, LLC US — —
206.203.82.0/23 512
0.0%
McKesson Corp. US — —
206.203.94.0/23 512
0.0%
McKesson Corp. US — —
206.203.120.0/23 512
0.0%
McKesson Corp. US — —
206.227.216.0/23 512
0.0%
Level 3 Parent, LLC US — —
206.227.220.0/23 512
0.0%
Level 3 Parent, LLC US — —
206.227.226.0/23 512
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 — —
63.175.205.0/24 256
0.0%
NDCHealth Corporation US Vermont Burlington
63.233.90.0/24 256
99.2%
Dougherty Financial Group LLC 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 Pennsylvania Philadelphia
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 Maryland Crofton
143.112.254.0/24 256
0.0%
Level 3 Parent, LLC US — —
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 — —
170.203.252.0/24 256
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 — —
204.17.219.0/24 256
0.0%
Cambridge Mercantile Corp. US — —
204.146.159.0/24 256
0.0%
Level 3 Parent, LLC US — —

BGP 공지 접두사

실시간 BGP 이상 →

접두사 AS203 당사의 RIPE RIS 수집기에서 관찰된 BGP에서 실제로 시작됩니다. 이 실시간 라우팅 보기는 위의 레지스트리 할당과 다를 수 있습니다.

Prefix공지 샘플마지막 확인
66.193.107.0/24 17,570 2026-09-05 03:35:34
192.26.214.0/24 11,912 2026-09-11 00:36:46
64.210.246.0/24 9,965 2026-09-11 00:36:46
204.146.159.0/24 9,603 2026-09-10 22:48:32
143.199.28.0/24 8,852 2026-09-11 00:36:46
143.199.135.0/24 8,845 2026-09-11 00:36:46
143.199.222.0/24 8,844 2026-09-11 00:36:46
148.59.168.0/24 8,838 2026-09-11 00:36:46
143.199.109.0/24 8,811 2026-09-11 00:36:46
65.121.54.0/24 8,400 2026-09-09 06:55:35
143.199.140.0/23 8,011 2026-09-11 00:36:46
143.199.96.0/24 7,992 2026-09-11 00:36:46
8.18.63.0/24 7,771 2026-09-11 00:35:45
189.125.51.0/24 7,537 2026-09-11 00:33:11
8.44.205.0/24 7,515 2026-09-11 00:35:45
8.20.69.0/24 7,386 2026-09-11 00:36:46
216.163.247.0/24 7,380 2026-09-11 00:36:46
216.163.246.0/24 7,315 2026-09-11 00:36:46
209.164.193.0/24 7,293 2026-09-11 00:36:46
209.164.207.0/24 7,287 2026-09-11 00:36:46
216.163.241.0/24 7,268 2026-09-11 00:36:46
8.25.26.0/24 7,256 2026-09-11 00:36:46
216.163.244.0/24 7,251 2026-09-11 00:36:46
209.164.205.0/24 7,250 2026-09-11 00:36:46
209.164.204.0/24 7,246 2026-09-11 00:36:46
216.163.240.0/24 7,243 2026-09-11 00:36:46
216.163.243.0/24 7,240 2026-09-11 00:36:46
209.164.195.0/24 7,239 2026-09-11 00:36:46
216.163.242.0/24 7,238 2026-09-11 00:36:46
209.164.194.0/24 7,236 2026-09-11 00:36:46
216.163.245.0/24 7,221 2026-09-11 00:36:46
209.164.192.0/24 7,209 2026-09-11 00:36:46
143.199.145.0/24 7,115 2026-09-11 00:36:46
8.15.229.0/24 7,072 2026-09-11 00:36:46
216.33.160.0/24 7,015 2026-09-11 00:36:46
8.7.155.0/24 6,887 2026-09-11 00:36:46
216.163.252.0/24 6,884 2026-09-11 00:36:46
216.163.253.0/24 6,836 2026-09-11 00:36:46
209.164.223.0/24 6,830 2026-09-11 00:36:46
216.163.251.0/24 6,801 2026-09-11 00:36:46
209.164.209.0/24 6,790 2026-09-11 00:36:46
209.164.211.0/24 6,788 2026-09-11 00:36:46
209.164.208.0/24 6,787 2026-09-11 00:36:46
216.163.255.0/24 6,785 2026-09-11 00:36:46
216.163.250.0/24 6,783 2026-09-11 00:36:46
209.164.220.0/24 6,781 2026-09-11 00:36:46
216.163.249.0/24 6,780 2026-09-11 00:36:46
209.164.221.0/24 6,774 2026-09-11 00:36:46
216.163.248.0/24 6,768 2026-09-11 00:36:46
216.163.254.0/24 6,762 2026-09-11 00:36:46

상위 표시 50 of 280 샘플 볼륨별 공지 접두사.

Frequently Asked Questions

AS203는 무엇입니까?

AS203는 Level 3 Parent, LLC에 할당된 자율 시스템 번호(Autonomous System Number)입니다. ASN은 특정 IP 주소 집합을 제어하고 BGP(Border Gateway Protocol)를 통해 인터넷에서 트래픽이 라우팅되는 방식을 결정하는 네트워크를 식별합니다.

AS203는 몇 개의 IP 주소를 공지합니까?

AS203는 104개의 라우팅된 CIDR 접두사를 통해 307.7K개의 IPv4 주소를 공지합니다. 이 네트워크는 United States에 등록되어 있습니다.

AS203는 누가 운영합니까?

AS203는 Level 3 Parent, LLC에 의해 운영됩니다. 이 조직은 United States에 기반을 두고 있습니다. 조직 페이지에서 모든 IP 범위 및 관련 AS를 볼 수 있습니다.

AS203는 어느 국가에 등록되어 있습니까?

AS203는 United States에 등록되어 있습니다. 이는 네트워크 운영자의 본사가 위치한 곳을 나타내지만, 해당 AS가 공지하는 IP 주소는 전 세계 사용자에게 서비스를 제공할 수 있습니다.

최종 업데이트: 2026-09-11 00:54:05 UTC
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