206208 looking glass

AS2734 CoreSite 🇺🇸 US

Announcing 86 prefixes, seen at the RIS collectors.

IPv4 prefixes
65
49,664 (194 × /24)
IPv6 prefixes
21
1.7 × /32
Upstreams
4
transit providers observed
Peers
4
settlement-free adjacencies
Downstreams
21
transit customers observed
Customer cone
25
ASes reachable through it

Registry and operator data

AS number
AS2734
Name
CoreSite
Organisation
CoreSite
Country
🇺🇸 US
RIR
ARIN
Allocated
2009-09-01
Network type
NSP
Traffic levels
100-200Gbps
Scope
North America
Peering policy
Open
IRR as-set
AS-CORESITE
Website
http://www.coresite.com
PeeringDB
net/6448
Exchanges
14
Facilities
29

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

86 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3257 GTT Communications Inc. 🇺🇸 US 63,648 1,784 549 CAIDA
AS2914 NTT America, Inc. 🇺🇸 US 55,638 1,476 341 CAIDA
AS6939 Hurricane Electric LLC 🇺🇸 US 54,738 185 5,510 CAIDA
AS9002 RETN Limited 🇬🇧 GB 51,783 18 50 inferred

Peers

Adjacencies that look settlement-free rather than transit

Network Country Cone IPv4 prefixes Paths Source
AS24482 SG.GS 🇸🇬 SG 4,870 45 137 CAIDA
AS13030 Init7 (Switzerland) Ltd. 🇨🇭 CH 328 69 6 CAIDA
AS17639 Converge ICT Solutions Inc. 🇵🇭 PH 271 567 105 CAIDA
AS25091 IP-Max SA 🇨🇭 CH 206 25 19 CAIDA

Downstreams

Networks this one appears to provide transit to

Network Country Cone IPv4 prefixes Paths Source
AS396300 CoreSite 🇺🇸 US 6 0 425 CAIDA
AS29906 Westat, Inc. 🇺🇸 US 0 8 414 CAIDA
AS10255 Sinister and Solitary 🇺🇸 US 0 7 405 CAIDA
AS11333 CyberTrails 🇺🇸 US 0 15 358 CAIDA
AS4310 Seminole State College of Florida 🇺🇸 US 0 8 187 CAIDA
AS397822 California Resources Corporation 🇺🇸 US 0 3 135 CAIDA
AS401174 State of California, Department of Technology 🇺🇸 US 0 4 110 CAIDA
AS26551 Sargent & Lundy Engineers 🇺🇸 US 0 5 94 CAIDA
AS4898 Opentable, Inc. 🇺🇸 US 0 2 90 CAIDA
AS22437 CoreSite 🇺🇸 US 0 1 84 CAIDA
AS30149 The Goldman Sachs Group, Inc. 🇺🇸 US 0 9 75 CAIDA
AS5651 GMLL CAPITAL MANAGEMENT LLC 🇺🇸 US 0 2 52 CAIDA
AS400986 Adsystech, Inc. 🇺🇸 US 0 1 47 CAIDA
AS393371 Microbilt Corporation 🇺🇸 US 0 1 47 CAIDA
AS393827 BJS WHOLESALE CLUB 🇺🇸 US 0 6 47 CAIDA
AS20304 Lepton Global Solutions, LLC. 🇺🇸 US 0 1 47 CAIDA
AS54525 APPLIED GLOBAL TECHNOLOGIES, LLC 🇺🇸 US 0 1 45 CAIDA
AS402960 MACWEB 🇺🇸 US 0 1 42 inferred
AS22330 Catalina Marketing Corporation 🇺🇸 US 0 5 34 inferred
AS398079 Eminent, Inc 🇺🇸 US 0 6 32 CAIDA
AS62966 BrightEdge Technologies 🇺🇸 US 0 1 29 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.