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自律システム

AS209

CenturyLink Communications, LLC

アナウンスされたIP数
15,463,656
CIDRプレフィックス
11,235
ASN
AS209

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 Qwest

Qwest Communications International, Inc. was a United States telecommunications carrier.

Founded
1995
Headquarters
Denver
Industry
telecommunications
Parent
Lumen Technologies

⚠ 3 MOASプレフィックスes — 複数のオリジンASNが検出されました

すべてのMOAS異常 →

以前は安定していたASによって発信されたプレフィックス209 は、当社のRIPE RISコレクターから検出された別のASNによってもアナウンスされています(MOAS — Multiple-Origin AS)。多くの場合、無害(エニーキャスト、マルチホーミング、または最近の転送)ですが、ルートリークやプレフィックスハイジャックを示す可能性があるため、調査する価値があります。

プレフィックスオリジンASN最終検出 (UTC)
207.201.20.0/24 AS209, AS2386 2026-07-24 12:08:47
198.204.120.0/24 AS209, AS54081 2026-07-24 12:08:47
97.107.230.0/24 AS209, AS3910 2026-07-24 12:08:47

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope North America
Traffic ratio Balanced
Peering policy No

Web3 footprint

AS209 hosts 9 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS209 — グローバルIPフットプリント

ASがある都市209 測定可能なIPv4割り当てがあります。任意の点をクリックすると、その都市のページが開きます。サイズと色はIP数に応じて変化します。

3D地球儀で表示 →

トップCIDR範囲

CIDRIP数PTR Density組織StateCity
63.152.0.0/14 262.1K
0.0%
CenturyLink Communications, LLC US Iowa Marion
65.136.0.0/14 262.1K
0.4%
CenturyLink Communications, LLC US
67.0.0.0/14 262.1K
0.0%
CenturyLink Communications, LLC US New Mexico Albuquerque
97.116.0.0/14 262.1K
0.0%
CenturyLink Communications, LLC US Utah Salt Lake City
97.120.0.0/14 262.1K
0.0%
CenturyLink Communications, LLC US New Mexico Albuquerque
174.20.0.0/14 262.1K
0.0%
CenturyLink Communications, LLC US Utah Salt Lake City
65.128.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Idaho Nampa
65.134.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US
65.142.0.0/15 131.1K
1.0%
CenturyLink Communications, LLC US
65.146.0.0/15 131.1K
1.2%
CenturyLink Communications, LLC US
67.0.0.0/15 131.1K
95.5%
CenturyLink Communications, LLC US New Mexico Albuquerque
67.4.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Washington Prosser
70.56.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Arizona Phoenix
71.38.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Nevada North Las Vegas
71.208.0.0/15 131.1K
99.9%
CenturyLink Communications, LLC US Florida Lehigh Acres
71.214.0.0/15 131.1K
94.9%
CenturyLink Communications, LLC US Florida Cape Coral
75.166.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Colorado Denver
75.168.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Minnesota Saint Paul
97.124.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Iowa Des Moines
174.16.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Arizona Mesa
174.22.0.0/15 131.1K
89.0%
CenturyLink Communications, LLC US Utah Salt Lake City
174.26.0.0/15 131.1K
83.2%
CenturyLink Communications, LLC US Idaho Meridian
174.28.0.0/15 131.1K
0.0%
CenturyLink Communications, LLC US Colorado Denver
184.98.0.0/15 131.1K
78.9%
CenturyLink Communications, LLC US North Dakota Fargo
63.152.0.0/16 65.5K
93.5%
CenturyLink Communications, LLC US Iowa Marion
63.153.0.0/16 65.5K
94.1%
CenturyLink Communications, LLC US South Dakota Sioux Falls
63.154.0.0/16 65.5K
93.9%
CenturyLink Communications, LLC US
65.129.0.0/16 65.5K
96.6%
CenturyLink Communications, LLC US Idaho Nampa
65.130.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Utah South Jordan
65.145.0.0/16 65.5K
1.5%
CenturyLink Communications, LLC US
65.150.0.0/16 65.5K
0.4%
CenturyLink Communications, LLC US
65.159.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US
67.5.0.0/16 65.5K
89.8%
CenturyLink Communications, LLC US Washington Spokane
67.40.0.0/16 65.5K
65.5%
CenturyLink Communications, LLC US Oregon Hood River
67.42.0.0/16 65.5K
73.5%
CenturyLink Communications, LLC US Oregon Grand Ronde
68.176.0.0/16 65.5K
100.0%
CenturyLink Communications, LLC US
70.56.0.0/16 65.5K
81.5%
CenturyLink Communications, LLC US Idaho Boise
70.59.0.0/16 65.5K
85.2%
CenturyLink Communications, LLC US Colorado Denver
71.35.0.0/16 65.5K
94.7%
CenturyLink Communications, LLC US Arizona Phoenix
71.39.0.0/16 65.5K
5.8%
CenturyLink Communications, LLC US Arizona Phoenix
71.211.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Colorado Denver
71.212.0.0/16 65.5K
98.4%
CenturyLink Communications, LLC US Washington Seattle
71.216.0.0/16 65.5K
4.3%
CenturyLink Communications, LLC US New Mexico Albuquerque
71.218.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Colorado Denver
71.220.0.0/16 65.5K
97.0%
CenturyLink Communications, LLC US Florida Crawfordville
71.223.0.0/16 65.5K
99.2%
CenturyLink Communications, LLC US Arizona Phoenix
75.161.0.0/16 65.5K
99.0%
CenturyLink Communications, LLC US New Mexico Albuquerque
75.162.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Iowa Des Moines
75.164.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Oregon Portland
75.167.0.0/16 65.5K
96.7%
CenturyLink Communications, LLC US Arizona San Tan Valley
75.172.0.0/16 65.5K
96.8%
CenturyLink Communications, LLC US Washington Seattle
75.174.0.0/16 65.5K
97.2%
CenturyLink Communications, LLC US Idaho Boise
97.113.0.0/16 65.5K
96.7%
CenturyLink Communications, LLC US Washington Seattle
97.115.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Oregon Portland
97.123.0.0/16 65.5K
99.1%
CenturyLink Communications, LLC US New Mexico Albuquerque
97.124.0.0/16 65.5K
97.2%
CenturyLink Communications, LLC US Arizona Chandler
97.126.0.0/16 65.5K
97.8%
CenturyLink Communications, LLC US Washington Seattle
168.103.0.0/16 65.5K
50.0%
CenturyLink Communications, LLC US Colorado Fort Collins
174.17.0.0/16 65.5K
90.5%
CenturyLink Communications, LLC US Arizona Mesa
174.18.0.0/16 65.5K
92.6%
CenturyLink Communications, LLC US Arizona Phoenix
174.21.0.0/16 65.5K
84.0%
CenturyLink Communications, LLC US Washington Seattle
174.23.0.0/16 65.5K
87.9%
CenturyLink Communications, LLC US Utah Salt Lake City
174.28.0.0/16 65.5K
84.6%
CenturyLink Communications, LLC US New Mexico Albuquerque
174.31.0.0/16 65.5K
82.4%
CenturyLink Communications, LLC US Washington Spokane
184.5.0.0/16 65.5K
89.2%
CenturyLink Communications, LLC US Florida Ocala
184.96.0.0/16 65.5K
85.3%
CenturyLink Communications, LLC US Colorado Parker
184.98.0.0/16 65.5K
86.8%
CenturyLink Communications, LLC US Arizona San Tan Valley
184.101.0.0/16 65.5K
92.6%
CenturyLink Communications, LLC US Arizona Chandler
184.103.0.0/16 65.5K
0.0%
CenturyLink Communications, LLC US Arizona Phoenix
205.171.0.0/16 65.5K
11.6%
CenturyLink Communications, LLC US New York Queens
63.152.128.0/17 32.8K
93.3%
CenturyLink Communications, LLC US Iowa Marion
63.153.128.0/17 32.8K
93.9%
CenturyLink Communications, LLC US South Dakota North Sioux City
63.155.128.0/17 32.8K
94.1%
CenturyLink Communications, LLC US Oregon Springfield
63.157.128.0/17 32.8K
96.1%
CenturyLink Communications, LLC US Colorado Littleton
63.159.0.0/17 32.8K
0.5%
CenturyLink Communications, LLC US Hawaii Honolulu
63.224.0.0/17 32.8K
47.7%
CenturyLink Communications, LLC US Minnesota Minneapolis
63.230.0.0/17 32.8K
44.3%
CenturyLink Communications, LLC US Colorado Colorado Springs
63.231.0.0/17 32.8K
47.4%
CenturyLink Communications, LLC US Colorado Denver
63.237.128.0/17 32.8K
32.0%
CenturyLink Communications, LLC US Utah Layton
65.102.128.0/17 32.8K
50.9%
CenturyLink Communications, LLC US Colorado Denver
65.103.0.0/17 32.8K
43.0%
CenturyLink Communications, LLC US Minnesota Minneapolis
65.128.0.0/17 32.8K
98.9%
CenturyLink Communications, LLC US Minnesota Minneapolis
65.130.0.0/17 32.8K
0.0%
CenturyLink Communications, LLC US Utah West Jordan
65.131.0.0/17 32.8K
97.0%
CenturyLink Communications, LLC US Wyoming Cheyenne
65.133.128.0/17 32.8K
0.3%
CenturyLink Communications, LLC US Minnesota Saint Paul
65.148.128.0/17 32.8K
0.0%
CenturyLink Communications, LLC US
65.149.128.0/17 32.8K
0.0%
CenturyLink Communications, LLC US
65.151.128.0/17 32.8K
0.3%
CenturyLink Communications, LLC US Ohio Springfield
65.157.128.0/17 32.8K
0.0%
CenturyLink Communications, LLC US
67.2.0.0/17 32.8K
96.8%
CenturyLink Communications, LLC US Utah Salt Lake City
67.3.0.0/17 32.8K
95.6%
CenturyLink Communications, LLC US Minnesota Cloquet
67.3.128.0/17 32.8K
95.1%
CenturyLink Communications, LLC US Minnesota Duluth
67.14.0.0/17 32.8K
23.6%
CenturyLink Communications, LLC US
67.40.128.0/17 32.8K
0.0%
CenturyLink Communications, LLC US Washington Gig Harbor
67.41.128.0/17 32.8K
77.8%
CenturyLink Communications, LLC US Colorado Aurora
67.236.128.0/17 32.8K
94.1%
CenturyLink Communications, LLC US Indiana Shelbyville
70.57.128.0/17 32.8K
75.9%
CenturyLink Communications, LLC US Nebraska Omaha
70.59.128.0/17 32.8K
82.6%
CenturyLink Communications, LLC US Colorado Colorado Springs
71.3.128.0/17 32.8K
80.5%
CenturyLink Communications, LLC US Florida North Fort Myers
71.33.128.0/17 32.8K
0.0%
CenturyLink Communications, LLC US Colorado Parker

BGPアナウンス済みプレフィックス

ライブBGP異常 →

プレフィックス AS209 BGPで実際に発信され、当社のRIPE RISコレクター全体で観測されています。このライブルーティングビューは、上記のレジストリ割り当てとは異なる場合があります。

Prefixアナウンスサンプル最終確認
71.35.192.0/18 1,325,846 2026-07-24 11:57:33
71.39.244.0/22 231,479 2026-07-24 11:18:17
64.91.109.0/24 166,589 2026-07-24 11:18:18
209.180.202.0/23 74,087 2026-07-24 11:18:18
216.160.204.0/24 53,116 2026-07-24 11:18:17
209.181.189.0/24 40,825 2026-07-24 11:18:19
206.196.156.0/24 36,062 2026-07-24 11:18:17
67.41.82.0/23 33,401 2026-07-24 11:45:05
207.109.253.0/24 25,815 2026-07-24 11:45:05
63.155.0.0/19 22,383 2026-07-24 11:48:39
75.171.11.0/24 21,306 2026-07-24 11:18:17
71.36.248.0/22 18,909 2026-07-24 11:18:19
69.34.102.0/24 18,841 2026-07-24 11:18:17
71.2.210.0/23 18,673 2026-07-24 11:18:17
67.77.37.0/24 17,082 2026-07-24 11:18:17
209.181.122.0/24 16,743 2026-07-24 11:18:17
67.42.192.0/21 16,582 2026-07-24 11:45:05
70.57.224.0/21 16,120 2026-07-24 11:18:17
71.32.40.0/21 16,104 2026-07-24 11:18:17
71.33.64.0/20 16,098 2026-07-24 11:18:17
63.229.176.0/22 16,077 2026-07-24 11:18:17
67.1.0.0/16 16,072 2026-07-24 11:18:17
65.101.176.0/20 16,044 2026-07-24 11:18:17
63.227.80.0/20 16,033 2026-07-24 11:18:17
65.103.208.0/21 16,031 2026-07-24 11:18:17
209.180.123.0/24 16,011 2026-07-24 11:18:17
209.180.121.0/24 15,958 2026-07-24 11:18:17
65.102.88.0/21 15,678 2026-07-24 11:18:23
71.32.32.0/21 15,671 2026-07-24 11:18:23
71.39.24.0/22 15,656 2026-07-24 11:18:23
63.230.144.0/21 15,641 2026-07-24 11:18:23
71.216.140.0/22 15,571 2026-07-24 11:18:23
216.161.6.0/23 15,557 2026-07-24 11:18:23
216.161.15.0/24 15,548 2026-07-24 11:18:23
209.180.72.0/23 15,537 2026-07-24 11:18:23
209.180.68.0/22 15,530 2026-07-24 11:18:23
63.153.128.0/17 15,529 2026-07-24 11:18:23
168.103.240.0/22 14,037 2026-07-24 11:18:17
63.227.17.0/24 13,999 2026-07-24 11:18:17
209.181.120.0/23 13,933 2026-07-24 11:18:17
65.100.96.0/21 13,906 2026-07-24 11:18:17
63.225.42.0/23 13,885 2026-07-24 11:18:17
63.225.32.0/24 13,879 2026-07-24 11:18:17
207.108.120.0/23 13,724 2026-07-24 11:18:17
75.171.156.0/24 13,621 2026-07-24 11:18:17
75.160.240.0/22 13,168 2026-07-24 11:18:17
65.101.96.0/21 13,057 2026-07-24 11:18:19
63.230.104.0/22 13,055 2026-07-24 11:18:19
71.32.24.0/22 13,048 2026-07-24 11:18:19
70.59.96.0/20 13,035 2026-07-24 11:18:19

上位を表示 50 of 1,629 サンプル量によるアナウンス済みプレフィックス。

Frequently Asked Questions

AS209とは何ですか?

AS209はCenturyLink Communications, LLCに割り当てられた自律システム番号です。ASNは、特定のIPアドレスセットを制御し、BGP(Border Gateway Protocol)を介してインターネット上でトラフィックがどのようにルーティングされるかを決定するネットワークを識別します。

AS209はいくつのIPアドレスをアナウンスしていますか?

AS209は、11,235個のルーティングされたCIDRプレフィックスに分散された15.46M個のIPv4アドレスをアナウンスしています。 このネットワークはUnited Statesに登録されています。

AS209は誰が運営していますか?

AS209はCenturyLink Communications, LLCによって運営されています。 この組織はUnited Statesに拠点を置いています。 組織ページで、すべてのIP範囲と関連するASNを表示できます。

AS209はどの国に登録されていますか?

AS209はUnited Statesに登録されています。これはネットワークオペレーターの本社所在地を示しますが、アナウンスするIPアドレスは世界中のユーザーにサービスを提供する場合があります。

最終更新日: 2026-07-24 12:10:32 UTC
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