AS21508 COMCAST-21508 Resumen

Detalles del número AS

AS21508

COMCAST-21508

Resumen

Número de AS

AS21508

Nombre de AS

COMCAST-21508

País

United States

Sitio Web

Prefijos IPv4

Prefijos IPv6

IPv4 Peers

Pares IPv6

IPv4 Upstreams

IPv6 Upstreams

Registro Regional

ARIN

Fecha de asignación

16th May 2001

Estado asignado

Assigned

Prefijo anunciado	Description	País	Prefijo Padre	RIR
157.240.147.0/24	Facebook, Inc.	United States	157.240.0.0/16	ARIN
157.240.148.0/24	Facebook, Inc.	United States	157.240.0.0/16	ARIN
173.242.174.0/24	County of Henrico	United States	173.242.160.0/20	ARIN
192.100.76.0/24	Westlab Consulting	United States		ARIN
198.90.112.0/22	WhiteSky Communications, LLC.	United States	198.90.96.0/19	ARIN
204.194.47.0/24	Va. Dept. of Rehabilitative Services	United States	204.194.40.0/21	ARIN
205.223.19.0/24	Virginia State Lottery Department	United States	205.223.16.0/20	ARIN
50.204.101.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.205.217.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.216.229.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.217.1.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.217.207.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.218.47.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.12.0/22	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.193.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.222.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.229.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.238.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.219.240.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.220.111.0/24	Custom Computers	United States	50.128.0.0/9	ARIN
2001:559:243::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:280::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:37d::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:39d::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:3ac::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:3b9::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:3c8::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:40a::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:49a::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:49b::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:4b6::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:53c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:5c9::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:5da::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:5db::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:720::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:72b::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:73c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:788::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:78a::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN

ASN	Descripción	País	IPv4
AS13335	Cloudflare, Inc.	United States	true
AS13952	New College Institute	United States	false
AS14538	Harrisonburg Electric Commission	United States	false
AS14583	Virginia Information Technologies Agency (VITA)	United States	false
AS15173	Newmarket Corporation	United States	false
AS15297	EPLUS, Inc.	United States	false
AS17381	Williams-Sonoma	United States	false
AS19923	Shenandoah University	United States	false
AS2134	GS Virtual Network Produban	Spain	false
AS21863	intelivant consulting, llc	United States	false
AS22274	Standard Motor Products, Inc	United States	false
AS23209	Virginia Housing Development Authority	United States	false
AS27326	VCU HEALTH SYSTEM AUTHORITY	United States	false
AS27336	Sentara Healthcare	United States	false
AS30299	THE MARTIN AGENCY	United States	false
AS32540	HP Hood	United States	false
AS33265	Lee Enterprises, Incorporated	United States	false
AS33296	Piedmont Broadband, Inc	United States	false
AS36244	Shenandoah Valley Electric Cooperative	United States	false
AS36364	Mary Washington Hospital, Inc.	United States	false

ASN	Descripción	País	IPv6
AS40641	MGW Telephone Company, Inc.	United States	true
AS54391	Crutchfield New Media LLC	United States	true
AS7922	Comcast Cable Communications, LLC	United States	true

Prefijo Anunciado	Descripción	País	IPv4
AS13335	Cloudflare, Inc.	United States	true
AS13952	New College Institute	United States	false
AS14538	Harrisonburg Electric Commission	United States	false
AS14583	Virginia Information Technologies Agency (VITA)	United States	false
AS15173	Newmarket Corporation	United States	false
AS15297	EPLUS, Inc.	United States	false
AS17381	Williams-Sonoma	United States	false
AS19923	Shenandoah University	United States	false
AS2134	GS Virtual Network Produban	Spain	false
AS21863	intelivant consulting, llc	United States	false
AS22274	Standard Motor Products, Inc	United States	false
AS23209	Virginia Housing Development Authority	United States	false
AS27326	VCU HEALTH SYSTEM AUTHORITY	United States	false
AS27336	Sentara Healthcare	United States	false
AS30299	THE MARTIN AGENCY	United States	false
AS32540	HP Hood	United States	false
AS33265	Lee Enterprises, Incorporated	United States	false
AS33296	Piedmont Broadband, Inc	United States	false
AS36244	Shenandoah Valley Electric Cooperative	United States	false
AS36364	Mary Washington Hospital, Inc.	United States	false

Prefijo Anunciado	Descripción	País	IPv6
AS40641	MGW Telephone Company, Inc.	United States	true
AS54391	Crutchfield New Media LLC	United States	true

¿Qué es un ASN?

Un sistema autónomo (AS) es una colección de redes conectadas que operan bajo un mismo dominio administrativo y comparten políticas de enrutamiento. Cada AS está identificado por un Número de Sistema Autónomo (ASN) único, que se utiliza para intercambiar información de enrutamiento con otros AS. AS puede controlar cómo fluye el tráfico a través de las redes y luego filtrar el tráfico no deseado.

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