AS33659 Comcast Cable Communications, LLC

United States CMCS ARIN 50 IPv4 prefixes 126 IPv6 prefixes

IPv4 addresses

32,768

IPv6 /48 networks

126

RPKI

163 valid1 invalid12 no ROA

Peers and downstreams

Holder

AS name: CMCS
Description: Comcast Cable Communications, LLC
Organisation: Comcast Cable Communications, LLC
Abuse contact: Not published
Assigned: 2005-02-15
Registered: 2005-02-16
Record last changed: 2021-01-25 20:24 UTC

AS34
AS1642	Colorcon Inc COLORCON
AS4985	PHILADELPHIA GAS WORKS PGWORKS
AS7328	The Children's Hospital of Philadelphia CHOP
AS11205	City of Philadelphia CITY-OF-PHILADELPHIA
AS11267	Peirce-Phelps, Inc. PEIRCE-PHELPS
AS11396	Williams Information Technology LLC TWC-ASN
AS11731	Weston Solutions, Inc. AS11731
AS11823	Lord, Abbett & Co. LORDABBETTCO
AS11826	Regional Information Sharing Systems RISS2
AS13839	P1p3r P1P3R
AS13913	Affiliated Monitoring, Inc. AFFILIATED
AS14529	Saint Joseph's University SJU-5600
AS14531	Lockheed Martin Corporation LM-ATL
AS14539	Vantage Labs LLC VLABS
AS15038	The Cambridge Incubator, LLC CAMBINC-1
AS15185	The Hibbert Group HIBBERT-EAST
AS15243	Widener University WIDENER
AS16758	Ricoh USA, Inc. RICOH USA
AS16958	Bucks County Intermediate Unit #22 BCIU-22
AS17003	Zoetis Inc. ZOETIS-INC
AS17035	NBCUniversal NBCUNI-17035
AS17317	Thing5, LLC THING5-NA
AS18583	Hatteras CPC HATTERASCPC
AS19216	Revlon Consumer Products Corp. REVLON-AS
AS19576	Eastern University EASTERN-AS-01
AS19677	NJTRANSIT
AS20390	Feith Systems and Software, Inc. FSS
AS21669	New Jersey State Library NJ-STATEWIDE-LIBRARY-NETWORK
AS21672	Customized Energy Solutions, Ltd. CES-HQPA-01
AS21897	Virtua Health VIRTUA-HEALTH
AS22641	Novo Nordisk Pharmaceutical, Inc. NNPI
AS22644	Thomas Jefferson University Hospitals, Inc. TJUH
AS22774
AS23062	J.W. Pepper & Son, Inc. JWPEPPER
AS26142	MANNINGTON MILLS MANNINGTON-SALEM
AS26450	CTDI CTDI-WC
AS26764	The Robert Wood Johnson Foundation RWJF-AS
AS26881	IPR International, LLC. DASTOR-LLC
AS30183	Hard Rock Hotel and Casino Atlantic City HRCAC-1
AS30302	ASPEN DENTAL MANAGEMENT, INC. ASPEN-DENTAL-INC
AS30597	A.M. Best Company AMBEST-ASN
AS32460	C.O.P.S. Monitoring COPS-MONITORING
AS32691	Corporation Service Company CSC
AS33261	Power Home Remodeling LLC PHRG
AS33523	Rowan University ROWANUNIVERSITY
AS33575	The Franklin Institute Science Museum TFINET-PUBLIC
AS33615	Envision Healthcare Holdings, Inc EVHC
AS36040	Google LLC YOUTUBE
AS36253	Dciunet DCIUNET
AS36350	The Devereux Foundation AS-DEVEREUX
AS36412	Drexel University DREXEL-ASN2
AS36533	Computer Solutions 698ALEX
AS40073	NBA Properties, Inc. NBA-ASN-USA
AS40159	Princeton Public Schools PRINCETON-REGIONAL-SCHOOLS
AS40177	The Institutes THE-INSTITUTES
AS46363	Holy Family University HOLYFAMILY
AS46424	Njta NJTA
AS53291	WSFS Bank WSFS-ASN
AS53373	Mathematica, Inc. MATH-INC
AS53434	SRI International SRI-INTERNATIONAL-PRINCETON
AS53532	The Board of Education of the Township of Cinnaminson CINNAMINSON-SCHOOLS
AS53750	Neumann University NEUMANN-UNIVERSITY
AS54268	Capital Health System, Inc CAPITALHEALTH
AS54282	Johnson & Johnson JJINTEROP
AS54291	Inspira Medical Centers, Inc. SJH-ASN01
AS54485	Philadelphia College of Osteopathic Medicine PCOM-EDU
AS54544	Woodward McCoach Inc. WM-549-01
AS54986	1-800-Flowers.com, Inc. FLOWERS
AS62541	Vishay Intertechnology, Inc. VSH-ASN
AS62644	NBC Sports Network NBCSN-DMZ
AS63193	Atlanticare Health System Inc. AHS
AS393228	City of Vineland Board of Education VINELAND
AS393307	Cooper University Hospital CHSNJ-ASN1
AS393516	EDM Americas EDMAMERICASASN
AS394096	Cape Regional Medical Center, Inc. CAPEREGIONALHEALTHSYSTEM
AS394206	Deborah Heart and Lung Center DHLC-AS
AS395503	ComTec Cloud COMTEC-ASN
AS397380	Temple University Health System, Inc. TEMPLE-HEALTH
AS397401	William Hill WILLIAM-HILL-01
AS397589	AMEREAM NJP, LLC AMERICAN-DREAM-NJ
AS397986	Pennsylvania Convention Center Authority PA-CONVENTION-CENTER
AS399885	Evans & Sutherland Computer Corporation EVANS-SUTHERLAND-ASN
AS401071	Sea Box, Inc. SEA-BOX
AS401539	Corvex, Inc. KLUST-US-DE1
AS401712	Nebius Inc. NJ-US-NEBIUS
AS402703	Atlantic AS-ACG

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 73/100

partly	Prefixes covered by valid ROAs 163 of 176 announced prefixes are RPKI valid, 12 have no ROA.	23/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 126 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@comcast.net is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
fail	Registry record maintained Last changed 2021-01-25.	0/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/33659"><img src="https://ip-fd.net/badge/asn/33659/health.svg" alt="AS33659 network health on IP-FD.net"></a>

Markdown

[![AS33659 network health](https://ip-fd.net/badge/asn/33659/health.svg)](https://ip-fd.net/asn/33659)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS33659
as-name:        CMCS
handle:         AS33659
registrant:     CCCS (Comcast Cable Communications, LLC)
abuse:          NAPO-ARIN (Network Abuse and Policy Observance) <abuse@comcast.net>
routing:        ROUTI25-ARIN (Routing) <routing@comcast.com>
technical,administrative:IC161-ARIN (Comcast Cable Communications Inc) <CNIPEO-Ip-registration@cable.comcast.com>
last changed:   2021-01-25T15:24:40-05:00
registration:   2005-02-16T14:59:31-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/33659

const res = await fetch('https://ip-fd.net/api/v1/asn/33659', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/33659', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/33659');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/33659", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS3356	Level 3 Parent, LLC LEVEL3
AS7922	Comcast Cable Communications, LLC COMCAST-7922