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自律システム

AS33651

Comcast Cable Communications, LLC

アナウンスされたIP数
27,392
CIDRプレフィックス
56
ASN
AS33651

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 Xfinity

Comcast Cable Communications, doing business as Xfinity, is an American telecommunications business segment and division of Comcast Corporation. It is used to market consumer cable television, internet, telephone, and wireless services provided by the company.

Founded
1981
Headquarters
Philadelphia
Industry
telecommunications industry

⚠ 44 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33651 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)
107.158.165.0/24 AS33651, AS33667 2026-09-10 18:25:48
107.158.164.0/24 AS33651, AS33667 2026-09-10 18:25:48
16.5.8.0/23 AS33651, AS33667 2026-09-10 18:25:48
107.158.6.0/24 AS33651, AS33667 2026-09-10 18:25:48
74.1.24.0/23 AS33651, AS33667 2026-09-10 18:25:48
71.19.138.0/24 AS33651, AS33667 2026-09-10 18:25:48
71.19.139.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.112.0/21 AS33651, AS33667 2026-09-10 18:25:48
135.132.64.0/19 AS33651, AS33667 2026-09-10 18:25:48
63.246.152.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.48.0/21 AS33651, AS33667 2026-09-10 18:25:48
192.70.238.0/24 AS33651, AS33667 2026-09-10 18:25:48
78.31.206.0/24 AS33651, AS33667 2026-09-10 18:25:48
138.226.192.0/21 AS33651, AS33667 2026-09-10 18:25:48
198.202.219.0/24 AS33651, AS33667 2026-09-10 18:25:48

最近検出された15件を表示(全 44 MOASプレフィックス)。大規模ネットワーク上の多くのマルチオリジンプレフィックスは無害(エニーキャスト)です。参照: すべてのMOAS異常.

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Not Disclosed
Peering policy Restrictive

トップCIDR範囲

CIDRIP数PTR Density組織StateCity
140.89.64.0/18 16.4K
0.0%
Comcast Cable Communications, LLC US
64.84.96.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California San Jose
64.84.120.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California San Jose
135.132.72.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US California Palo Alto
138.226.192.0/21 2.0K
0.0%
Comcast Cable Communications, LLC US Massachusetts Boston
71.19.136.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
74.120.252.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
138.226.196.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US Massachusetts Boston
169.128.80.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.104.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.124.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.204.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
169.128.228.0/22 1.0K
0.0%
Comcast Cable Communications, LLC US
9.142.118.0/23 512
0.0%
Comcast Cable Communications, LLC US
16.5.8.0/23 512
0.0%
Comcast Cable Communications, LLC US
24.104.72.0/23 512
0.4%
Comcast Cable Communications, LLC US
24.104.138.0/23 512
0.0%
Comcast Cable Communications, LLC US California Angwin
40.27.174.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.201.8.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.206.120.0/23 512
0.0%
Comcast Cable Communications, LLC US
50.235.20.0/23 512
0.0%
Comcast Cable Communications, LLC US Georgia Lawrenceville
74.1.24.0/23 512
0.0%
Comcast Cable Communications, LLC US
104.247.212.0/23 512
0.0%
Comcast Cable Communications, LLC US
107.158.6.0/23 512
0.0%
Comcast Cable Communications, LLC US
107.158.164.0/23 512
0.0%
Comcast Cable Communications, LLC US
24.104.150.0/24 256
53.9%
Comcast Cable Communications, LLC US
50.145.55.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.200.170.0/24 256
0.0%
Comcast Cable Communications, LLC US Tennessee Lebanon
50.201.171.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.204.119.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.204.137.0/24 256
0.0%
Comcast Cable Communications, LLC US California Fairfield
50.205.226.0/24 256
0.0%
Comcast Cable Communications, LLC US Texas Texas City
50.206.118.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
50.206.219.0/24 256
0.0%
Comcast Cable Communications, LLC US California Rohnert Park
50.207.182.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.190.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.207.216.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.216.23.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.216.212.0/24 256
0.0%
Comcast Cable Communications, LLC US California Santa Clara
50.218.46.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.219.139.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.222.26.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Francisco
50.222.50.0/24 256
1.6%
Comcast Cable Communications, LLC US
50.224.7.0/24 256
0.0%
Comcast Cable Communications, LLC US West Virginia Morgantown
50.227.120.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Rafael
50.227.186.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.228.12.0/24 256
0.0%
Comcast Cable Communications, LLC US Georgia Smyrna
50.228.130.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Francisco
50.228.223.0/24 256
0.0%
Comcast Cable Communications, LLC US California Santa Rosa
50.229.212.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.230.66.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.231.143.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.232.196.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.233.45.0/24 256
3.1%
Comcast Cable Communications, LLC US California Vacaville
50.234.130.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.235.233.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.236.66.0/24 256
0.0%
Comcast Cable Communications, LLC US
50.239.184.0/24 256
0.0%
Comcast Cable Communications, LLC US
69.91.146.0/24 256
0.0%
Comcast Cable Communications, LLC US
107.0.21.0/24 256
2.3%
Comcast Cable Communications, LLC US
139.181.26.0/24 256
0.0%
Comcast Cable Communications, LLC US California San Jose
192.70.238.0/24 256
0.0%
Comcast Cable Communications, LLC US California Salinas
192.189.161.0/24 256
0.0%
Comcast Cable Communications, LLC US
192.206.19.0/24 256
0.0%
Comcast Cable Communications, LLC US
198.145.106.0/24 256
0.0%
Comcast Cable Communications, LLC US
198.202.219.0/24 256
0.0%
Comcast Cable Communications, LLC US
204.145.245.0/24 256
0.0%
Comcast Cable Communications, LLC US
209.23.201.0/24 256
64.8%
Comcast Cable Communications, LLC US
209.23.253.0/24 256
0.0%
Comcast Cable Communications, LLC US
216.170.120.0/24 256
0.0%
Comcast Cable Communications, LLC US New York Buffalo

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 AS33651 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
50.235.233.0/24 143,110 2026-09-10 18:08:01
50.201.8.0/23 39,571 2026-09-10 18:07:41
50.235.21.0/24 34,070 2026-09-10 18:08:01
50.207.182.0/24 33,949 2026-09-10 18:08:01
50.206.120.0/23 33,669 2026-09-10 18:08:01
50.224.7.0/24 33,652 2026-09-10 18:08:01
50.204.137.0/24 33,242 2026-09-10 18:08:01
50.216.212.0/24 32,059 2026-09-10 18:08:01
50.206.118.0/24 31,885 2026-09-10 18:08:01
50.207.216.0/24 31,877 2026-09-10 18:08:35
50.232.196.0/24 31,843 2026-09-10 18:08:01
50.200.170.0/24 31,657 2026-09-10 18:08:01
50.235.20.0/24 31,506 2026-09-10 18:08:01
50.229.212.0/24 31,464 2026-09-10 18:08:01
24.104.150.0/24 30,950 2026-09-10 18:07:41
107.0.21.0/24 30,886 2026-09-10 18:08:01
50.227.120.0/24 30,631 2026-09-10 18:08:01
24.104.138.0/23 30,477 2026-09-10 18:07:41
24.104.72.0/24 30,364 2026-09-10 18:08:35
50.230.66.0/24 30,312 2026-09-10 18:08:35
50.218.46.0/24 30,287 2026-09-10 18:08:01
50.222.50.0/24 30,117 2026-09-10 18:08:01
50.236.66.0/24 29,979 2026-09-10 18:08:01
50.227.186.0/24 29,973 2026-09-10 18:07:33
50.204.119.0/24 29,286 2026-09-10 18:08:01
50.207.190.0/24 29,090 2026-09-10 18:08:01
24.104.73.0/24 28,970 2026-09-10 18:08:35
50.206.219.0/24 28,681 2026-09-10 18:08:01
50.201.171.0/24 28,661 2026-09-10 18:08:01
50.234.130.0/24 28,661 2026-09-10 18:07:41
50.145.55.0/24 28,660 2026-09-10 18:07:41
50.205.226.0/24 28,638 2026-09-10 18:08:35
50.219.139.0/24 28,636 2026-09-10 18:08:35
50.233.45.0/24 28,624 2026-09-10 18:08:01
50.228.130.0/24 28,610 2026-09-10 18:07:41
50.222.26.0/24 28,579 2026-09-10 18:08:01
50.231.143.0/24 28,555 2026-09-10 18:07:41
50.239.184.0/24 28,550 2026-09-10 18:07:41
50.216.23.0/24 28,541 2026-09-10 18:07:41
138.226.192.0/21 28,127 2026-09-10 18:08:31
209.23.201.0/24 28,078 2026-09-10 18:07:41
64.84.96.0/21 28,057 2026-09-10 18:08:01
64.84.120.0/21 28,056 2026-09-10 18:08:01
169.230.76.0/24 26,037 2026-09-10 18:08:01
169.230.77.0/24 25,976 2026-09-10 18:08:01
140.89.64.0/18 25,734 2026-09-10 18:08:01
139.181.26.0/24 25,627 2026-09-10 18:07:41
209.23.253.0/24 24,901 2026-09-10 18:08:01
192.206.19.0/24 23,327 2026-09-10 18:08:35
198.145.106.0/24 22,327 2026-09-10 18:08:35

上位を表示 50 of 112 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

AS33651とは何ですか?

AS33651はComcast Cable 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。

AS33651はいくつのIPアドレスをアナウンスしていますか?

AS33651は、56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27.4K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。

AS33651は誰が運営していますか?

AS33651はComcast Cable 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。

AS33651はどの国に登録されていますか?

AS33651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: 2026-09-10 18:26:37 UTC
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