206208 looking glass

AS12271 Charter Communications Inc 🇺🇸 US

Announcing 119 prefixes, seen at the RIS collectors.

IPv4 prefixes
111
2,866,688 (11,198 × /24)
IPv6 prefixes
8
19 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
48
transit customers observed
Customer cone
47
ASes reachable through it

Registry and operator data

AS number
AS12271
Name
Charter Communications Inc
Organisation
Charter Communications Inc
Country
🇺🇸 US
RIR
ARIN
Allocated
2000-06-09

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

111 valid (93.3%) 0 invalid (0.0%) 8 no ROA (6.7%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS6453 TATA Communications (America) Inc 🇺🇸 US 56,831 125 15 CAIDA
AS7843 Spectrum (Charter) 🇺🇸 US 1,309 149 7,800 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS31869 LL Bean 🇺🇸 US 0 6 252 CAIDA
AS22252 The City of New York 🇺🇸 US 0 23 171 CAIDA
AS18564 St. John's University, New York 🇺🇸 US 0 9 167 CAIDA
AS36100 MTC Broadband, Inc. 🇺🇸 US 0 23 160 CAIDA
AS19796 Shubert Organization, Inc. 🇺🇸 US 0 9 130 CAIDA
AS393753 The Brooklyn Hospital Center 🇺🇸 US 0 3 129 CAIDA
AS54226 SUNY College of Optometry 🇺🇸 US 0 3 129 CAIDA
AS395095 Orange Regional Medical Center 🇺🇸 US 0 4 88 CAIDA
AS18694 Sappi Fine Paper North America 🇺🇸 US 0 4 84 CAIDA
AS54113 Fastly, Inc. 🇺🇸 US 0 616 79 CAIDA
AS14478 Recurse Center 🇺🇸 US 0 1 79 CAIDA
AS22303 State University of New York at New Paltz 🇺🇸 US 0 1 59 CAIDA
AS20252 Weill Cornell University Medical Sciences 🇺🇸 US 0 4 55 CAIDA
AS27185 Danbury Hospital - ITG 🇺🇸 US 0 10 44 CAIDA
AS46765 Liberum Capital Inc. 🇺🇸 US 0 1 44 CAIDA
AS16770 Astoria Generating Company, L.P. 🇺🇸 US 0 1 44 CAIDA
AS402494 Bartlett Dairy, Inc. 🇺🇸 US 0 1 44 CAIDA
AS401827 UNFCU 🇺🇸 US 0 2 44 CAIDA
AS402355 Visentry 🇺🇸 US 0 1 44 CAIDA
AS32730 LG CNS America Inc. 🇺🇸 US 0 1 44 CAIDA
AS25816 Touro College 🇺🇸 US 0 10 44 CAIDA
AS55123 Brilliant Jewelers/MJJ Inc. 🇺🇸 US 0 1 44 CAIDA
AS395060 Macmillan Publishers Inc 🇺🇸 US 0 3 43 CAIDA
AS14465 HITN 🇺🇸 US 0 1 42 CAIDA
AS19794 The Cementworks LLC 🇺🇸 US 0 1 42 CAIDA
AS23325 Magnitude Capital, LLC 🇺🇸 US 0 1 42 CAIDA
AS6292 MTAPD 🇺🇸 US 0 1 39 CAIDA
AS397595 MTAPD 🇺🇸 US 0 1 39 CAIDA
AS393562 Mobilitie, LLC 🇺🇸 US 0 2 35 inferred
AS40170 Intermetro Communications, Inc. 🇺🇸 US 0 12 26 CAIDA
AS25669 MARKERTEK VIDEO SUPPLY 🇺🇸 US 0 1 26 CAIDA
AS393569 9/11 MEMORIAL 🇺🇸 US 0 1 24 CAIDA
AS62566 Starbucks Coffee Company 🇺🇸 US 0 17 24 inferred
AS13975 NYCPM 🇺🇸 US 0 1 23 CAIDA
AS25891 School Of Visual Arts, Inc. 🇺🇸 US 0 1 23 CAIDA
AS33010 The Interchurch Center 🇺🇸 US 0 1 23 CAIDA
AS30012 Universal Music Group, INC. 🇺🇸 US 0 52 22 CAIDA
AS5091 Stripe, Inc. 🇺🇸 US 0 19 22 CAIDA
AS395359 InTouch Health 🇺🇸 US 0 18 22 CAIDA
AS14460 Horizon Media LLC 🇺🇸 US 0 2 21 CAIDA
AS26738 Deerfield Partners, L.P. 🇺🇸 US 0 1 21 CAIDA
AS33428 The New-York Historical Society 🇺🇸 US 0 1 21 CAIDA
AS53693 Ralph Appelbaum Associates, Inc. 🇺🇸 US 0 1 20 CAIDA
AS400392 Empire Resorts, Inc. 🇺🇸 US 0 1 20 CAIDA
AS40362 Chapin School 🇺🇸 US 0 1 17 CAIDA
AS400508 The Juilliard School 🇺🇸 US 0 1 17 CAIDA
AS23097 COHEN & STEERS CAPITAL MGMT., INC. 🇺🇸 US 0 3 15 CAIDA
AS30339 Davis & Gilbert LLP 🇺🇸 US 0 1 3 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.