AS40264 Charter Communications LLC

United States Charter-Communications-TWC-40264-WI-MN-UPPERMI-C3 ARIN 18 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

15,872

IPv6 /48 networks

514

RPKI

15 valid7 no ROA

Peers and downstreams

143

Holder

AS name: Charter-Communications-TWC-40264-WI-MN-UPPERMI-C3
Description: Charter-Communications-TWC-40264-WI-MN-UPPERMI-C3
Organisation: Charter Communications LLC
Abuse contact: Not published
Assigned: 2017-07-24
Registered: 2017-07-25
Record last changed: 2022-04-13 20:22 UTC

138.207.2.0/23 144.168.16.0/21 192.104.31.0/24 192.62.232.0/21 199.15.240.0/21 204.176.194.0/24 208.103.155.0/24 47.45.16.0/24 47.45.46.0/24 47.45.59.0/24 76.58.45.0/24 76.58.48.0/22 76.58.8.0/21 82.27.12.0/22 82.27.4.0/22 82.29.16.0/22 82.29.32.0/22 97.75.228.0/24

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AS10634	iNET Computers, Inc. INET-COMPUTERS-INC
AS11438	LeMans Corporation LEMANS-1
AS11500	Milwaukee School of Engineering MSOE-INTERNET
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AS11769	RJ Schinner Co RJ-SCHINNER
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AS14252	School Specialty, Inc. SCHOOLSPECIALTY
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AS16399	First Communications LLC FIRSTCOMM-AS2
AS16542	Mortgage Gauranty Insurance Corp MGIC
AS17009	Shoptikal SHOPTIKAL
AS17164	CentraCare Health CENTRACAREHEALTHSYSTEM
AS17298	ROEHL TRANSPORT, INC. ROEHL-AS
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AS19284	Compeer Financial, ACA AGSTAR-AS
AS19336	BLAIN SUPPLY, INC BLAIN-SUPPLY-PRIMARY
AS19620	Pcch-Carter PCCH-CARTER
AS19887	KI- KIASN
AS20239	ALLETE, Inc. MNPOWER-ASN
AS21553	Aspirus, Inc. ASP-MAIN
AS21554	Wisconsin CyberLynk Network, Inc. CYBERLYNK
AS21558	S.C. Johnson & Son, Inc. SC-JOHNSON
AS21794	Ameren Corp. AMEREN-AS2
AS21801	Jewelers Mutual Insurance Company JEWELERS
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AS23039	Bell Ambulance, Inc. BELLAMB
AS23154	Sanmina-SCI Corporation SANMINA-SCI
AS23301	State of Wisconsin Investment Board WISC-INVESTMENT-BOARD
AS23493	Acuity, A Mutual Insurance Company ACUITY
AS23548	Thedacare THEDACARE
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AS26023	Schwan's Shared Services, LLC. SCHWANS-SHARED-SERVICES
AS26345
AS26450	CTDI CTDI-WC
AS26776	Vortex Optics VORTEX-OPTICS
AS27360	Kwik Trip Inc. KWIKTRIP-AS
AS27490	Agrace Hospicecare Inc AGRACEHOSPICE-MSN-DR
AS30382	IPtelX IPTELX
AS30426
AS31785	Heartland Business Systems HBS-AS
AS31804	WEYCO GROUP, INC WEYCO-GROUP-INC
AS31973	Wisconsin Physicians Service Insurance Corp. WPS-1765DC
AS32149	WEBTEAM, INC WEBTEAM
AS32268	Artisan Partners Limited Partnership ARTISAN-PARTNERS-ASN
AS32378	OptumServe Health Services, Inc. HQ-LUMEN-SPECTRUM
AS32384	MILLER Electric Mfg. Co. MILLERWELDSASN01
AS32625	OFFSITE, LLC OFFSITE-1
AS32684	Ariens Company ARIENS
AS32871	Schwabe-North-America-01 SCHWABE-NORTH-AMERICA-01
AS33127	Integrated Systems Corp ISCORP-MEQUON
AS33283	MC Services MCSERVICES
AS33395	RMM Solutions Inc RMM-SOLUTIONS-AS
AS33468	Locknet EOJ1
AS33596	Brunswick Corporation BRUNSWICKCORPORATION
AS33753	West Bend Mutual Insurance Company WBMI
AS35997	UFS LLC UNITED-FINANCIAL-SERVICES
AS36155	Reedsburg Area Medical Center Inc. RAMCHEALTH
AS36199	Cree Lighting a company of IDEAL INDUSTRIES, INC IILL-2-36199
AS36659	J&B Wholesale Distributing, Inc. JWD-AS1
AS36724	Hanson Communications, Inc. HCAS-3
AS40055	THE DOUGLAS STEWART COMPANY THE-DOUGLAS-STEWART-COMPANY
AS40238	Jostens JOSTENS
AS40433	AE Business Solutions AEBS-ASN
AS40479	Aurora Health Care, Inc. AURORA-HEALTH-CARE
AS40530	Greatland Corporation GREATLAND
AS40631	Mastec, Inc MASTEC-PRIVATE
AS46688	Landscape Structures, Inc. LANDSCAPE-STRUCTURES
AS46774	MAYVILLE ENGINEERING COMPANY, INC. MAYVI-AS
AS46828	SILVER STAR BRANDS, INC. MILESK-AS1
AS47039	National Guardian Life Insurance Company NGLI-11-47039
AS53420	Merge Healthcare Solutions Inc. HARTLAND-INTERNET
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AS53595	Oshkosh Corporation OSK
AS53738	DATA DIMENSIONS CORP DDC-JVL
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AS54671	WALSWORTH PUBLISHING COMPANY WPCASN
AS54704	Rcu RCU
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AS55279	Jockey International, Inc. JOCKEY-INT
AS64243	Mptc MPTC
AS393377	J. J. Keller & Associates, Inc. JJKA-PUB1
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AS394049	University of Wisconsin Hospital and Clinics UWHCA
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AS398426	Apogee Telecom Inc. APOG-RIPON
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AS400632	KUSD KUSD-ASN-01
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AS401360	Stearns Financial Services, Inc STEARNSBANK-AS-02
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Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 62/100

partly	Prefixes covered by valid ROAs 15 of 22 announced prefixes are RPKI valid, 7 have no ROA.	17/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 4 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
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 2022-04-13.	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/40264"><img src="https://ip-fd.net/badge/asn/40264/health.svg" alt="AS40264 network health on IP-FD.net"></a>

Markdown

[![AS40264 network health](https://ip-fd.net/badge/asn/40264/health.svg)](https://ip-fd.net/asn/40264)

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

Routing changes

Last 30 days

2026-10-04 04:15 UTC	Neighbour gone	AS46384	downstream
2026-10-04 04:15 UTC	Neighbour gone	AS33442	downstream
2026-10-04 04:15 UTC	Neighbour gone	AS15300	downstream
2026-10-04 04:15 UTC	New neighbour	AS3136	downstream
2026-10-04 04:15 UTC	Prefix gone	198.184.26.0/24
2026-10-04 04:15 UTC	New prefix	138.207.2.0/23

WHOIS

aut-num:        AS40264
as-name:        TWC-40264-WI-MN-UPPERMI-C3
handle:         AS40264
registrant:     CC04 (Charter Communications LLC)
last changed:   2022-04-13T16:22:11-04:00
registration:   2017-07-25T14:23:43-04:00
source:         ARIN (RDAP)

Routing data

Updated 1 days ago

Registry record

Fetched 1 days ago 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/40264

const res = await fetch('https://ip-fd.net/api/v1/asn/40264', {
  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/40264', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/40264');
curl_setopt($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/40264", 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.

AS10796	Charter Communications Inc TWC-10796-MIDWEST
AS20115	Charter Communications LLC CHARTER-20115