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Autonomous System

AS33651 — CMCS - Comcast Cable Communications, LLC(US)

Last fetched

AS33651 is an Autonomous System operated by CMCS - Comcast Cable Communications, LLC and registered in US. As of Thu, 21 May 2026 13:43:50 GMT, it announces 251 routed IP prefixes and peers with 95 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS33651Routing diversity10.0/10Peering density7.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/33651

Routing footprint

AS33651 announces 251 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

95 distinct peers via BGP. The first 95 are listed below.

Peer ASNOperatorCountry
AS1226CTA-42-AS1226 - California Department of TechnologyUS
AS401582SANJOSESHARKS-ASN-01 - San Jose Sharks, LLCUS
AS398732DPCCOMMERCIAL - Deutscher Properties CorporationUS
AS398469FOXTHERMAL-ASN - Fox Thermal Instruments IncUS
AS397994XACTLY-01 - Xactly CorporationUS
AS397942RUBRIK-INC - Rubrik IncUS
AS397765CCA - California College of the ArtsUS
AS397620CITYMENLOPARK - City of Menlo ParkUS
AS397258GTRC-01 - Graton Resort and CasinoUS
AS397030HILTON-H - Hilton Worldwide Holdings IncUS
AS396943SV - City of SunnyvaleUS
AS396337DE - Dreisbach Enterprises, Inc.US
AS395976COMCAST-MES - Comcast Cable Communications, LLCUS
AS395882POWER-SJ - Power Integrations, INC.US
AS395844LUSD - LUSDUS
AS395757SCCFCU-PUBLIC01 - Santa Clara County Federal Credit UnionUS
AS395210WESTERNCARRIERS-CA - Western Carriers Inc.US
AS395132MWCU - Meriwest Credit UnionUS
AS395011SF-PSN - City and County of San FranciscoUS
AS394993SCVTA - Santa Clara Valley Transportation AuthorityUS
AS394763CCCERA-AS - Contra Costa County Employees Retirement AssociationUS
AS394516COUNTYOFNAPAAS - County of Napa MISUS
AS393914INVITAE-01 - Invitae CorpUS
AS393518CLAIMREMEDI-AS - ClaimRemedi, Inc.US
AS393305
AS204662HARMONIC_FRANCEFR
AS63435MONTEREY-AS-01 - County of MontereyUS
AS62508GLOBAL-US - GlobalLogic Inc.US
AS55064ARISTAASN1 - Arista Networks, Inc.US
AS55059MPP - Microwave Power Products, Inc.US
AS54654MILLSCOLLEGE - Mills CollegeUS
AS54201WEWORK-MANAGEMENT-LLC - We Link Networks LLCUS
AS54104INFOO-54104 - InfoObjects Inc.US
AS53985DODGE-AND-COX-FUNDS - DODGE & COXUS
AS53497WEBPERCEPTION - WebPerception, LLCUS
AS46864WORKD-IT - Workday, Inc.US
AS46520CA-DOJ - California Department of JusticeUS
AS46425SVMH-AS - Salinas Valley Memorial HospitalUS
AS46305UA-4585 - Universal Audio, Inc.US
AS46216ICECONSULTING - Ice ConsultingUS
AS46186GILD-SCI - Gilead SciencesUS
AS40639KORBELINC - F Korbel & Bros IncUS
AS40620INGENUITY-SYSTEMS - QIAGEN Redwood City, Inc.US
AS40385SAINT-MARYS-CA-AS - Saint Marys College of CaliforniaUS
AS40039ALPHA-N-OMEGA-AOS-40 - ALPHA AND OMEGA SEMICONDUCTOR INCORPORATEDUS
AS36776FIVE9 - Five9 Inc.US
AS36761KSBW-TV - Hearst-Argyle Television, Inc.US
AS36361QUORA - Quora IncUS
AS36040YOUTUBE - Google LLCUS
AS35928BECKMAN-COULTER-ASN - BECKMAN COULTER, INC.US
AS33382CRYPTICSTUDIOS-HQ - CRYPTIC STUDIOS, INC.US
AS33311NET-TOPCON - TOPCON POSITIONING SYSTEMS INCUS
AS33161CHUMASH-ENTERPRISES - Chumash Casino ResortUS
AS32928ITECHTOOL-ASN-LAH - ITechTool IncorporatedUS
AS32537XILINX - Xilinx IncorporatedUS
AS32504INTELLETRACE - IntelletraceUS
AS32319AS-MARQETA - Marqeta, Inc.US
AS29878CHMP-ASN - Community Hospital of the Monterey PeninsulaUS
AS26758
AS26476CYBERU - CyberU, Inc.US
AS26325TECHCU-AS - Technology Credit UnionUS
AS23472SONICWALL-BGP - SonicWALL, Inc.US
AS23154SANMINA-SCI - Sanmina-SCI CorporationUS
AS22700USFCA - University of San FranciscoUS
AS22695PLAYGROUND - Playground Global, LLCUS
AS22369ONEMIND-01 - Cloudmylab.comUS
AS22317F5-NETWORKS - F5, Inc.US
AS22216SIEMENS-PLM - Siemens CorporationUS
AS20383EXCHANGEBANK-AS - Exchange BankUS
AS20066MSC-SJ-HQ - Supermicro ComputerUS
AS19126KIZAWIRELESS - KIZAUS
AS19099RAMBUS - Rambus
AS18880LAMRC - Lam Research CorporationUS
AS17117RITSNET - RITSnet, Inc.US
AS17035NBCUNI-17035 - NBCUniversalUS
AS17003ZOETIS-INC - Zoetis Inc.US
AS14706MBARI-MAIN - Monterey Bay Aquarium Research InstituteUS
AS14421THERAVANCE - Theravance Biopharma US, LLCUS
AS14388BRONCO-WINE - Bronco Wine Co.US
AS14203JUNIPER-NETWORKS - Juniper Networks, Inc.US
AS12222AKAMAI - Akamai Technologies, Inc.US
AS11574SFGNET-AS - San Francisco Baseball Associates LLCUS
AS11328BIO-RAD-ASN - Bio-Rad Laboratories, Inc.US
AS11212COUNTY-OF-SONOMA - COUNTY OF SONOMAUS
AS10982TIVO-SJ - TiVo, Inc.US
AS10780PURE-STORAGE - Pure Storage, INC.US
AS10309MARIN-MIDAS - County of MarinUS
AS7922COMCAST-7922 - Comcast Cable Communications, LLCUS
AS6379ALINK - A-Link Network Services, Inc.US
AS6099BAE-NET-ASN - Alameda County Office of EducationUS
AS5098OPUSONE-NETS - Opus One Winery, LLCUS
AS5081CCS-AS - CLARE COMPUTER SOLUTIONSUS
AS4182MLSLI-2 - MLSListings inc.US
AS3708PACIFIC-BIOSIENCES - Pacific Biosciences of California, Inc.US
AS3356LEVEL3 - Level 3 Parent, LLCUS

MOAS / hijack watch

Prefixes routed by AS33651 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS33651 is unique to AS33651 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS33651.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS33651"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.