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Autonomous System

AS40264TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC(US)

Last fetched

AS40264 is an Autonomous System operated by TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC and registered in US. As of Thu, 21 May 2026 06:18:12 GMT, it announces 23 routed IP prefixes and peers with 132 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS40264Routing diversity6.9/10Peering density8.5/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/40264

Routing footprint

AS40264 announces 23 distinct routed prefixes. The 23-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

132 distinct peers via BGP. The first 132 are listed below.

Peer ASNOperatorCountry
AS1437VISONEX-LLC - Visonex LLCUS
AS402035SGTLABS - Sergeant Laboratories, IncUS
AS401635WALSWORTH - EAU CLAIRE - WALSWORTH PUBLISHING COMPANYUS
AS401153AGVANTAGE-HOSTING-01 - AgVantage Software, IncUS
AS401114COLUMBIACOUNTYWI - Columbia CountyUS
AS400013WAUPACA-FOUNDRY-INC - Waupaca Foundry, Inc.US
AS399919AS-ALOMERE-HEALTH - Alomere HealthUS
AS399329ENDRIES-ASN-01 - Endries International, Inc.US
AS399299STEARNSBANK-AS-01 - Stearns Financial Services, IncUS
AS399071BELLIN-MEMORIAL-HOSPITAL - Bellin Memorial Hospital, Inc.US
AS398994KHS-USA-11 - KHS USA, Inc.US
AS398432WANRACK - WANRack, LLCUS
AS398428NMTRANS-HQ-AS01 - N&M Transfer Co., Inc.US
AS398426APOG-RIPON - Apogee Telecom Inc.US
AS397926CCC-HOSTING-01 - Crystal Computer Consulting, Inc.US
AS397697WHE-ASN-01 - Wright-Hennepin Cooperative Electric AssociationUS
AS397670CVCU-ASN - Covantage Credit UnionUS
AS397171GBP-01 - Green Bay Packaging, INCUS
AS396834BRADY-WW-01 - Brady Worldwide, IncUS
AS396383SEC-98-100-228-0 - SECURA INSURANCE HOLDINGS, INC.US
AS396152MC-AS - The Monroe Clinic, Inc.US
AS395972SCHREIBERFOODS - Schreiber Foods, Inc.US
AS395810HCAS-2 - Hanson Communications, Inc.US
AS395585WAUSAUSUPPLYCOMPANY - Wausau Supply Co.US
AS395526REGALBELOIT-WAUSAU - Regal Rexnord CorporationUS
AS395286BELOITHEALTHSYSTEM - Beloit Health System, Inc.US
AS395277ST-LUKES-HOSPITAL - Aspirus, Inc.US
AS395086SCDC-SC-DATA-CENTER - SC Data Center, Inc.US
AS3946739408 - Milwaukee Area Technical CollegeUS
AS394621DATAHOLDINGS-414-USA - Stack41, llc.US
AS394316ALTRA - Altra Federal Credit UnionUS
AS394049UWHCA - University of Wisconsin Hospital and ClinicsUS
AS393774NNB-ASN - Nicolet National BankUS
AS393702WISCONSIN-VISION-ASSOCIATES-INC - Wisconsin Vision Associates, Inc.US
AS393695CRC-AS - Cooperative Response CenterUS
AS393377JJKA-PUB1 - J. J. Keller & Associates, Inc.US
AS55279JOCKEY-INT - Jockey International, Inc.US
AS55208NAVITUS - Navitus Health Solutions, LLCUS
AS54978ZYWAV-MKE-ASN - ZYWAVE INCUS
AS54704RCU - Royal Credit UnionUS
AS54671WPCASN - WALSWORTH PUBLISHING COMPANYUS
AS53934SZW-INC - SUB-ZERO GROUP, INC.US
AS53738DDC-JVL - DATA DIMENSIONS CORPUS
AS53595OSK - Oshkosh CorporationUS
AS53515AMTELCO-204-27-231-AS - AMTELCOUS
AS53420HARTLAND-INTERNET - Merge Healthcare Solutions Inc.US
AS47039NGLI-11-47039 - National Guardian Life Insurance CompanyUS
AS46828MILESK-AS1 - SILVER STAR BRANDS, INC.US
AS46774MAYVI-AS - MAYVILLE ENGINEERING COMPANY, INC.US
AS46688LANDSCAPE-STRUCTURES - Landscape Structures, Inc.US
AS40530GREATLAND - Greatland CorporationUS
AS40479AURORA-HEALTH-CARE - Aurora Health Care, Inc.US
AS40433AEBS-ASN - AE Business SolutionsUS
AS40238JOSTENS - JostensUS
AS40055THE-DOUGLAS-STEWART-COMPANY - THE DOUGLAS STEWART COMPANYUS
AS36724HCAS-3 - Hanson Communications, Inc.US
AS36659JWD-AS1 - J&B Wholesale Distributing, Inc.US
AS36199IILL-2-36199 - Cree Lighting a company of IDEAL INDUSTRIES, INCUS
AS36155RAMCHEALTH - Reedsburg Area Medical Center Inc.US
AS35997UNITED-FINANCIAL-SERVICES - UFS LLCUS
AS33753WBMI - West Bend Mutual Insurance CompanyUS
AS33596BRUNSWICKCORPORATION - Brunswick CorporationUS
AS33468EOJ1 - LocknetUS
AS33442ZEBRA-TECHNOLOGIES-BGP-AS-NUMBER - Zebra Technologies CorporationUS
AS33395RMM-SOLUTIONS-AS - RMM Solutions IncUS
AS33283MCSERVICES - MC ServicesUS
AS33127ISCORP-MEQUON - Integrated Systems CorpUS
AS32871SCHWABE-NORTH-AMERICA-01 - Natures WayUS
AS32684ARIENS - Ariens CompanyUS
AS32625OFFSITE-1 - OFFSITE, LLCUS
AS32384MILLERWELDSASN01 - MILLER Electric Mfg. Co.US
AS32268ARTISAN-PARTNERS-ASN - Artisan Partners Limited PartnershipUS
AS32149WEBTEAM - WEBTEAM, INCUS
AS31973WPS-1765DC - Wisconsin Physicians Service Insurance Corp.US
AS31804WEYCO-GROUP-INC - WEYCO GROUP, INCUS
AS31785HBS-AS - Heartland Business SystemsUS
AS30426
AS30382IPTELX - IPtelXUS
AS27490AGRACEHOSPICE-MSN-DR - Agrace Hospicecare IncUS
AS27360KWIKTRIP-AS - Kwik Trip Inc.US
AS26776VORTEX-OPTICS - Vortex OpticsUS
AS26450CTDI-WC - CTDIUS
AS26345
AS26023SCHWANS-SHARED-SERVICES - Schwans Shared Services, LLC.US
AS25958MC-INT - Marshfield Clinic Inc.US
AS25794DPCLAX - Dairyland Power CooperativeUS
AS23548THEDACARE - ThedacareUS
AS23493ACUITY - Acuity, A Mutual Insurance CompanyUS
AS23154SANMINA-SCI - Sanmina-SCI CorporationUS
AS23039BELLAMB - Bell Ambulance, Inc.US
AS22955CHHS-1 - Childrens Hospital & Health System, Inc.US
AS22809AMFAM-INS - American Family InsuranceUS
AS22344ABC-SUPPLY-CO - ABC Supply Co.US
AS22223MVTV-AS1 - MVTV WirelessUS
AS21896ALLIANT-ENERGY - Alliant EnergyUS
AS21801JEWELERS - Jewelers Mutual Insurance CompanyUS
AS21794AMEREN-AS2 - Ameren Corp.US
AS21558SC-JOHNSON - S.C. Johnson & Son, Inc.US
AS21554CYBERLYNK - Wisconsin CyberLynk Network, Inc.US
AS21553ASP-MAIN - Aspirus, Inc.US
AS20239MNPOWER-ASN - ALLETE, Inc.US
AS20115CHARTER-20115 - Charter Communications LLCUS
AS19887KIASN - KI-US
AS19336BLAIN-SUPPLY-PRIMARY - BLAIN SUPPLY, INCUS
AS19284AGSTAR-AS - Compeer Financial, ACAUS
AS18820SARGENTO-AS-0 - Sargento Foods, Inc.US
AS17164CENTRACAREHEALTHSYSTEM - CentraCare HealthUS
AS17009SHOPTIKAL - Shopko OpticalUS
AS16542MGIC - Mortgage Gauranty Insurance CorpUS
AS16399FIRSTCOMM-AS2 - First Communications LLCUS
AS15285SRLCD - Cash DepotUS
AS14440CITONCOMPUTERCORP - Citon Computer CorpUS
AS14305AS14305 - Accuray IncorporatedUS
AS14262CALUMET-ASN-01 - CALUMET COUNTYUS
AS14252SCHOOLSPECIALTY - School Specialty, Inc.US
AS14230INVOLTA - ARK Data Centers LLCUS
AS13731ONEIDANATION - Oneida NationUS
AS13567KMB1 - Kimberly-Clark CorporationUS
AS13376TOPPAN-MERRILL - Toppan Merrill LLCUS
AS12047GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, Inc.US
AS11964AWAC-HQ - Air Wisconsin Airlines CorporationUS
AS11940DIRECTSCOM - Direct Supply, Inc.US
AS11936MARATHON-CHEESE - Marathon Cheese CorporationUS
AS11769RJ-SCHINNER - RJ Schinner CoUS
AS11595NETSONIC - NetsonicUS
AS11500MSOE-INTERNET - Milwaukee School of EngineeringUS
AS11438LEMANS-1 - LeMans CorporationUS
AS10796TWC-10796-MIDWEST - Charter Communications IncUS
AS10634INET-COMPUTERS-INC - iNET Computers, Inc.US
AS10359EPICSYS - Epic Systems CorporationUS
AS7213MASONCOMPANIESINC - Mason Companies, Inc.US
AS6341WEC - WEC Business Services LLCUS

Blast radius

Approximate count of dependent hostnames if AS40264 disappeared from the routing table.

~83 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:18:12 GMT.

MOAS / hijack watch

Prefixes routed by AS40264 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 AS40264 is unique to AS40264 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS40264.

Cypher and MCP

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

MATCH (a:ASN {name: "AS40264"})-[: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.