206208 looking glass

AS20115 Spectrum (Charter) 🇺🇸 US

Charter Communications LLC. Announcing 4,665 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,365
13,190,400 (51,525 × /24)
IPv6 prefixes
2,300
116 × /32
Upstreams
7
transit providers observed
Peers
10
settlement-free adjacencies
Downstreams
130
transit customers observed
Customer cone
709
ASes reachable through it

Registry and operator data

AS number
AS20115
Name
Spectrum (Charter)
Organisation
Charter Communications
Country
🇺🇸 US
RIR
ARIN
Allocated
2001-03-26
Network type
Cable/DSL/ISP
Scope
North America
Peering policy
Selective
IRR as-set
RADB::AS-CHTR-BB
Website
https://www.spectrum.com
PeeringDB
net/2144
Exchanges
14
Facilities
12

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4,609 valid (98.8%) 1 invalid (0.0%) 55 no ROA (1.2%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3356 Lumen (Level 3) 🇺🇸 US 70,618 2,074 4,227 CAIDA
AS1299 Arelion (fka. Telia Carrier) 🇸🇪 SE 68,870 131 18,400 CAIDA
AS3257 GTT Communications Inc. 🇺🇸 US 62,971 1,877 12,885 CAIDA
AS6939 Hurricane Electric LLC 🇺🇸 US 53,059 235 62,753 CAIDA
AS52025 ParadoxNetworks Limited 🇬🇧 GB 15,384 15 9 CAIDA
AS7843 Spectrum (Charter) 🇺🇸 US 1,291 148 24,797 CAIDA
AS11796 Airstream Communications, LLC 🇺🇸 US 75 23 1 inferred

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS3491 PCCW Global (HK) Ltd. 🇭🇰 HK 50,524 532 3,748 CAIDA
AS6461 Zayo Bandwidth 🇺🇸 US 50,063 212 9,199 CAIDA
AS4637 Telstra International Limited 🇭🇰 HK 37,177 666 2,613 CAIDA
AS6830 Liberty Global Europe Holding B.V. 🇳🇱 NL 28,090 169 9,719 CAIDA
AS7018 AT&T Enterprises, LLC 🇺🇸 US 23,693 626 2,894 CAIDA
AS6327 Shaw Communications 🇨🇦 CA 19,850 3,843 44 CAIDA
AS577 Bell Canada 🇨🇦 CA 19,752 16,354 149 CAIDA
AS20119 ARROW DATACENTERS INC 🇨🇦 CA 123 15 6 CAIDA
AS26479 Point Broadband Fiber Holding, LLC 🇺🇸 US 10 30 9 CAIDA
AS14907 Wikimedia Foundation Inc. 🇺🇸 US 0 11 3,135 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS40264 Charter Communications LLC 🇺🇸 US 156 18 5,426 CAIDA
AS20001 Charter Communications Inc 🇺🇸 US 148 601 2,511 CAIDA
AS11427 Charter Communications Inc 🇺🇸 US 142 398 1,225 CAIDA
AS22677 Charter Communications LLC 🇺🇸 US 57 10 1,356 CAIDA
AS22974 Charter Communications LLC 🇺🇸 US 36 7 2,195 CAIDA
AS20231 Charter Communications Inc 🇺🇸 US 18 7 532 CAIDA
AS22516 Charter Communications LLC 🇺🇸 US 17 85 265 CAIDA
AS23222 Charter Communications LLC 🇺🇸 US 14 2 246 CAIDA
AS33588 Charter Communications LLC 🇺🇸 US 11 39 2,952 CAIDA
AS23132 Charter Communications LLC 🇺🇸 US 8 4 714 CAIDA
AS22513 Charter Communications LLC 🇺🇸 US 6 2 340 CAIDA
AS2722 CULR, LLC 🇺🇸 US 5 5 62 CAIDA
AS27631 PANGAEA 🇺🇸 US 3 12 461 CAIDA
AS53567 VOLstate, LLC 🇺🇸 US 2 6 308 CAIDA
AS22319 Fogo Data Centers 🇺🇸 US 2 8 126 CAIDA
AS27338 GoNetSpeed 🇺🇸 US 0 69 2,260 CAIDA
AS19115 Charter Communications LLC 🇺🇸 US 0 33 558 CAIDA
AS54816 Spring City Cable TV, Inc 🇺🇸 US 0 13 516 CAIDA
AS53260 Clark University 🇺🇸 US 0 9 252 CAIDA
AS16787 Charter Communications LLC 🇺🇸 US 0 72 239 CAIDA
AS32104 Wellmont Health System 🇺🇸 US 0 13 216 CAIDA
AS30082 QS1 Data Systems 🇺🇸 US 0 35 204 CAIDA
AS393872 Motlow State Community College 🇺🇸 US 0 6 203 CAIDA
AS40294 Charter Communications LLC 🇺🇸 US 0 15 202 CAIDA
AS22710 Charter Communications LLC 🇺🇸 US 0 2 190 CAIDA
AS19157 Charter Communications LLC 🇺🇸 US 0 10 176 CAIDA
AS17195 Taylor Corporation 🇺🇸 US 0 10 155 CAIDA
AS3565 Prisma Health 🇺🇸 US 0 16 150 CAIDA
AS2003 Electric Power Research Institute 🇺🇸 US 0 27 135 CAIDA
AS394832 AllCare Management Services, LLC 🇺🇸 US 0 4 132 CAIDA
AS55024 Walters State Community College 🇺🇸 US 0 3 125 CAIDA
AS394795 Communication Solutions, LLC 🇺🇸 US 0 3 123 inferred
AS19153 The University of Tennessee at Martin 🇺🇸 US 0 4 123 CAIDA
AS32755 Spartanburg Regional Health Services District, Inc. 🇺🇸 US 0 3 122 CAIDA
AS32895 Milliken & Company 🇺🇸 US 0 4 118 CAIDA
AS395572 Clear Winds Technologies Incorporated 🇺🇸 US 0 3 114 CAIDA
AS397418 Synamedia 🇺🇸 US 0 2 110 CAIDA
AS33636 Wofford College 🇺🇸 US 0 3 110 CAIDA
AS35988 Umass Memorial health care inc 🇺🇸 US 0 3 109 CAIDA
AS40175 Encompass Health Corporation 🇺🇸 US 0 3 96 CAIDA
AS11743 EBSCO Industries, Inc. 🇺🇸 US 0 3 93 CAIDA
AS11777 North Carolina Adminstrative Office of the Courts 🇺🇸 US 0 4 88 CAIDA
AS393764 Apogee Telecom Inc. 🇺🇸 US 0 2 88 CAIDA
AS23225 RiverStreet Networks 🇺🇸 US 0 2 86 CAIDA
AS18820 Sargento Foods, Inc. 🇺🇸 US 0 3 86 CAIDA
AS33391 SECURITY FINANCE CORPORATION OF SPARTANBURG 🇺🇸 US 0 3 83 CAIDA
AS62861 Gray Media, Inc. 🇺🇸 US 0 4 80 CAIDA
AS400985 Three Rivers Casino and Resort 🇺🇸 US 0 1 74 CAIDA
AS19284 Compeer Financial, ACA 🇺🇸 US 0 4 72 CAIDA
AS21790 The Church at Brook Hills 🇺🇸 US 0 1 72 CAIDA
AS35963 Greenville-Spartanburg Airport Commission 🇺🇸 US 0 2 70 CAIDA
AS31779 Denny's, Inc. 🇺🇸 US 0 2 68 CAIDA
AS395227 CMH Services Inc. 🇺🇸 US 0 3 66 CAIDA
AS26662 XEROX CORPORATION 🇺🇸 US 0 22 63 CAIDA
AS14057 TENNESSEE FARMERS MUTUAL INSURANCE COMPANY 🇺🇸 US 0 2 60 CAIDA
AS1294 NTT DATA Services Holdings Corporation 🇺🇸 US 0 15 54 CAIDA
AS396276 Cage Cube Technologies, Inc. 🇺🇸 US 0 2 52 CAIDA
AS399121 Citizens National Bank of Texas 🇺🇸 US 0 2 46 CAIDA
AS26345 - 0 2 44 CAIDA
AS394173 Professional Personnel Service, INC 🇺🇸 US 0 1 44 CAIDA
AS393851 Taylor Corporation 🇺🇸 US 0 1 44 CAIDA
AS62503 News-Press & Gazette Company 🇺🇸 US 0 1 44 inferred
AS26351 First Horizon National Corporation 🇺🇸 US 0 9 44 CAIDA
AS397294 Columbia Memorial Hospital 🇺🇸 US 0 1 44 CAIDA
AS30320 Kia America, Inc. 🇺🇸 US 0 17 44 CAIDA
AS16470 WingNET Internet Services 🇺🇸 US 0 1 44 CAIDA
AS32853 Denso Manufacturing, Tennessee, Inc. 🇺🇸 US 0 1 44 CAIDA
AS396193 Ultratec, Inc. 🇺🇸 US 0 1 44 CAIDA
AS33032 American Megatrends, Inc. 🇺🇸 US 0 1 44 CAIDA
AS396182 Voigt Industrial Electronics LLC 🇺🇸 US 0 1 44 CAIDA
AS14137 America Internet & Communications 🇺🇸 US 0 6 44 CAIDA
AS399872 Cullman Regional 🇺🇸 US 0 1 44 CAIDA
AS36574 Hearst-Argyle Television, Inc. 🇺🇸 US 0 2 44 CAIDA
AS40754 Henry County, Georgia 🇺🇸 US 0 1 44 CAIDA
AS395143 Fire Mountain Gems and Beads Inc. 🇺🇸 US 0 2 44 CAIDA
AS1077 ActivePure Technologies, LLC 🇺🇸 US 0 2 44 CAIDA
AS394443 RADIO SYSTEMS CORPORATION 🇺🇸 US 0 1 44 CAIDA
AS12095 CONNEXUS CREDIT UNION 🇺🇸 US 0 1 44 CAIDA
AS26296 ClearLink 🇺🇸 US 0 1 44 CAIDA
AS54047 Cameron Ashley Building Products, Inc. 🇺🇸 US 0 1 44 CAIDA
AS54124 TRAVEL INCORPORATED 🇺🇸 US 0 1 44 CAIDA
AS395961 INGLES MARKETS Inc. 🇺🇸 US 0 1 43 CAIDA
AS22350 ECMD INC. 🇺🇸 US 0 1 43 CAIDA
AS26151 Arthrex Inc. 🇺🇸 US 0 3 43 CAIDA
AS36258 GEM SHOPPING NETWORK 🇺🇸 US 0 1 43 CAIDA
AS46927 Radio Training Network Inc. 🇺🇸 US 0 1 43 CAIDA
AS13558 Church Mutual Insurance Company 🇺🇸 US 0 1 43 CAIDA
AS53729 Gesa Credit Union 🇺🇸 US 0 1 43 CAIDA
AS54068 City of Greenville, SC 🇺🇸 US 0 1 43 CAIDA
AS397141 VIS LLC 🇺🇸 US 0 1 43 CAIDA
AS398246 Rogue Community College 🇺🇸 US 0 1 43 CAIDA
AS399799 Apogee Telecom Inc. 🇺🇸 US 0 1 43 CAIDA
AS16389 Shurtape Technologies, LLC 🇺🇸 US 0 1 42 CAIDA
AS396965 Wildcard Corp. 🇺🇸 US 0 4 42 CAIDA
AS62909 FIRST COMMUNITY CREDIT UNION 🇺🇸 US 0 3 42 CAIDA
AS55187 Assumption University 🇺🇸 US 0 1 42 CAIDA
AS36094 Worcester State University 🇺🇸 US 0 1 42 CAIDA
AS400046 Zinus Inc 🇺🇸 US 0 4 41 CAIDA
AS18828 Trimble, Inc. 🇺🇸 US 0 6 41 CAIDA
AS396384 Baker Boyer Bancorp 🇺🇸 US 0 1 41 CAIDA
AS393542 The Plateau Group, Inc. 🇺🇸 US 0 1 40 CAIDA
AS401069 Glovis Alabama 🇺🇸 US 0 1 40 CAIDA
AS396070 Mobis Alabama, LLC 🇺🇸 US 0 1 38 CAIDA
AS62691 AMERICAN CREDIT ACCEPTANCE 🇺🇸 US 0 2 37 CAIDA
AS396307 Southern Imperial Inc. 🇺🇸 US 0 2 36 CAIDA
AS22741 Laurens Electric Cooperative, Inc 🇺🇸 US 0 1 36 CAIDA
AS14389 Cash Express, LLC 🇺🇸 US 0 1 36 CAIDA
AS396900 Traveling Mailbox 🇺🇸 US 0 1 35 CAIDA
AS55065 Fort HealthCare Inc 🇺🇸 US 0 1 34 CAIDA
AS394286 City of Johnson City 🇺🇸 US 0 1 34 CAIDA
AS33062 ALEX LEE INC 🇺🇸 US 0 2 33 CAIDA
AS40878 Advanced Data and Network Solutions, Inc. 🇺🇸 US 0 1 32 CAIDA
AS46081 Food Donation Connection 🇺🇸 US 0 1 31 CAIDA
AS393279 Technomad, LLC 🇺🇸 US 0 1 27 CAIDA
AS14043 ScanSource, Inc. 🇺🇸 US 0 7 27 CAIDA
AS400493 APEX Analytix, LLC 🇺🇸 US 0 2 27 CAIDA
AS398160 CompX Security Products, Inc. 🇺🇸 US 0 1 27 CAIDA
AS398344 Higher Ground Technologies 🇺🇸 US 0 1 27 CAIDA
AS63369 Tanner Medical Center, Inc. 🇺🇸 US 0 2 22 CAIDA
AS62652 Anderson University 🇺🇸 US 0 1 22 CAIDA
AS11684 Jefferson County Department of Health 🇺🇸 US 0 1 22 CAIDA
AS395324 Cracker Barrel Old Country Store, Inc. 🇺🇸 US 0 2 20 CAIDA
AS46594 Business Information Systems, Inc. 🇺🇸 US 0 1 20 CAIDA
AS395375 Athens Micro 🇺🇸 US 0 1 19 CAIDA
AS398183 CAROLINA AUTO AUCTION, INC. 🇺🇸 US 0 1 14 CAIDA
AS14010 Jack Henry & Associates, Inc. 🇺🇸 US 0 59 12 CAIDA
AS21985 Masco Contractor Services 🇺🇸 US 0 2 10 CAIDA
AS23050 Morgan Stanley 🇺🇸 US 0 1 6 CAIDA
AS27453 Systemax Inc. 🇺🇸 US 0 2 5 CAIDA
AS30030 Walmart Inc. 🇺🇸 US 0 37 4 CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.