Skip to content
InternetData
HomeCompaniesCoreSite
Hosting

CoreSite

CoreSite uses 53,028 IPv4 addresses in 421 ranges, and 17 IPv6 ranges, by the registry records IP Company reads.

coresite.com·United States

53,028
IPv4 addresses
421
IPv4 ranges
17
IPv6 ranges
7
ASes it operates
18
countries

About the company

Who it is, where it is registered and who owns it.

Description
American data center provider
Founded
2001
Headquarters
Denver, United States
Industry
Real estate investment trust

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS2734 CoreSite47,392 · 89.37%
  2. AS3356 Level 3 Parent, LLC256 · 0.48%
  3. AS22437 CoreSite256 · 0.48%
  4. AS53828 NETWORK INNOVATIONS, LLC4 · 0.01%
  5. AS10255 Sinister and Solitary0 · 0.00%
  6. AS12182 Unitas Global0 · 0.00%
  7. AS14742 Unitas Global0 · 0.00%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

top 12 of 18
  1. United States52,584 · 99.23%
  2. United Kingdom72 · 0.14%
  3. Hong Kong56 · 0.11%
  4. Australia40 · 0.08%
  5. New Zealand40 · 0.08%
  6. Singapore40 · 0.08%
  7. Germany32 · 0.06%
  8. Argentina24 · 0.05%
  9. Belgium16 · 0.03%
  10. France16 · 0.03%
  11. Ireland16 · 0.03%
  12. Switzerland8 · 0.02%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS2734CoreSiteHostingUnited States49,152
AS22437CoreSiteHostingUnited States256
AS19996CoreSiteHostingUnited States0
AS32184CoreSiteHostingUnited States0
AS46529CoreSiteHostingUnited States0
AS394659CoreSiteHostingUnited States0
AS396300CoreSiteHostingUnited States0

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS2734Open100-200GbpsBalancedNorth America1329
AS19996OpenNorth America10
AS32184OpenNorth America30

Internet exchanges

The internet exchanges its networks connect at, by the capacity of their ports there: 13 exchanges, 33 ports and 2 Tbps in all.

EXCHANGEWHEREPORTSCAPACITY
Any2EastWashington DC, Reston, Boston, New York, Atlanta, United States10460 Gbps
Any2WestLos Angeles and Silicon Valley, United States6420 Gbps
Any2ChicagoChicago, United States4220 Gbps
Any2DenverDenver, United States4220 Gbps
CIX-ATLAtlanta, United States1100 Gbps
CIX-NoVAAshburn, Reston, Washington DC, United States1100 Gbps
Chicago Open PipesChicago, United States1100 Gbps
FL-IXMiami, United States1100 Gbps
MASS-IXBoston, United States1100 Gbps
QCIXDavenport, United States1100 Gbps
SFMIXSan Francisco, United States1100 Gbps
ChIXChicago, United States110 Gbps
NYIIX New YorkNew York, United States110 Gbps

Facilities

The datacenters and colocation sites its networks are in: 29 in one country.

FACILITYWHERE
CoreSite - Atlanta (AT1)Atlanta, United States
CoreSite - Chicago (CH1)Chicago, United States
CoreSite - Chicago (CH2)Chicago, United States
CoreSite - Denver (DE1)Denver, United States
CoreSite - Denver (DE2)Denver, United States
CoreSite - Miami (MI2)Doral, United States
CoreSite - Los Angeles (LA1) One WilshireLos Angeles, United States
CoreSite - Los Angeles (LA2)Los Angeles, United States
CoreSite - Los Angeles (LA3)Los Angeles, United States
CoreSite - Atlanta (AT2)Marietta, United States
CoreSite - Miami (MI1)Miami, United States
Coresite - Milpitas (SV2)Milpitas, United States
CoreSite - New York (NY1)New York, United States
CoreSite - Orlando (OR1)Orlando, United States
American Tower RA1Raleigh, United States
CoreSite - Reston (VA1)Reston, United States
CoreSite - Reston (VA2)Reston, United States
CoreSite - Reston (VA3)Reston, United States
CoreSite - San Jose (SV1)San Jose, United States
CoreSite - Santa Clara (SV3)Santa Clara, United States
CoreSite - Santa Clara (SV4)Santa Clara, United States
CoreSite - Santa Clara (SV7)Santa Clara, United States
CoreSite - Santa Clara (SV8)Santa Clara, United States
CoreSite - Santa Clara (SV9)Santa Clara, United States
CoreSite - Secaucus (NY2)Secaucus, United States
CoreSite - Secaucus (NY3)Secaucus, United States
CoreSite - Boston (BO1)Somerville, United States
CoreSite - Washington,DC (DC1)Washington, United States
CoreSite - Washington,DC (DC2)Washington, United States

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
50.9 Mbps
median download
14.9 Mbps
median upload
277
download tests
274
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

first 100 of 438 ranges
RANGEIPV4ORIGIN
142.255.192.0/1816,384AS2734
206.51.40.0/212,048
208.74.72.0/212,048AS2734
208.84.144.0/212,048AS2734
66.35.69.160-66.35.76.2551,888AS2734
66.35.83.0-66.35.88.1911,472AS2734
204.9.200.0/221,024AS2734
204.9.204.0/24256AS2734
208.64.251.0/24256AS2734
208.64.252.0/221,024AS2734
66.35.64.0/221,024AS2734
66.35.68.0/24256AS2734
98.158.155.16-98.158.159.2551,264AS2734
98.158.150.0/23512AS2734
98.158.152.0/23512AS2734
98.158.154.0/2664AS2734
208.77.98.0/23512
208.77.100.0/23512
66.35.88.224/2732AS2734
66.35.89.0/24256AS2734
66.35.90.0/23512AS2734
98.158.145.224/2732AS2734
98.158.146.0/23512AS2734
98.158.148.0/24256AS2734
66.35.78.0/23512AS2734
66.35.80.0/24256AS2734
66.35.93.0/24256AS2734
66.35.94.0/23512AS2734
192.34.21.64/2664AS2734
192.34.21.128/25128AS2734
192.34.22.0/23512AS2734
173.45.174.0/23512AS2734
199.119.182.0/23512AS2734
199.197.10.0/23512AS2734
204.9.206.0/23512AS2734
206.72.210.0/23512
208.64.249.0/24256
208.64.250.0/24256
208.77.102.0/23512AS2734
208.77.96.0/23512AS2734
149.112.21.0/24256
173.45.170.0/24256AS2734
192.150.41.0/24256AS2734
192.34.20.0/24256AS2734
204.9.205.0/24256
206.123.24.0/24256
206.223.143.0/24256AS2734
208.64.248.0/24256AS2734
208.78.157.0/24256AS2734
66.35.82.0/24256
8.47.37.0/24256AS3356
98.158.149.0/24256AS22437
67.212.153.64/2664AS2734
67.212.153.128/25128AS2734
67.212.154.0/2816AS2734
66.128.154.64/2664AS2734
66.128.154.128/25128AS2734
66.128.155.0/298AS2734
67.212.154.120/298AS2734
67.212.154.128/25128AS2734
67.212.155.0/2664AS2734
98.158.145.8-98.158.145.191184AS2734
67.212.146.216-67.212.147.135176AS2734
67.212.148.88-67.212.148.247160AS2734
98.158.154.128/25128AS2734
98.158.155.0/2816AS2734
67.212.151.0/2664AS2734
67.212.151.64/2732AS2734
67.212.151.96/2816AS2734
66.128.158.128/2664AS2734
66.128.158.192/2732AS2734
66.128.153.104/298AS2734
66.128.153.112/2816AS2734
66.128.153.128/2664AS2734
67.212.152.0/2664AS2734
67.212.152.64/2816AS2734
67.212.152.80/298AS2734
98.158.144.176/2816AS2734
98.158.144.192/2664AS2734
98.158.145.0/298AS2734
67.212.158.36-67.212.158.11176AS2734
66.128.144.24/298AS2734
66.128.144.32/2732AS2734
66.128.144.64/2732AS2734
66.128.146.192/2664AS2734
66.128.147.0/298AS2734
66.128.156.72-66.128.156.14372AS2734
67.212.151.184/298AS2734
67.212.151.192/2664AS2734
98.158.144.88/298AS2734
98.158.144.96/2732AS2734
98.158.144.128/2732AS2734
192.34.21.0/2664AS2734
66.128.149.48/2816AS2734
66.128.149.64/2732AS2734
66.128.149.96/2816AS2734
66.128.154.0/2664AS2734
67.212.145.152-67.212.145.21564AS2734
67.212.150.0/2664AS2734
67.212.152.192/2664AS2734
67.212.152.96/2732AS2734
67.212.152.128/2732AS2734
67.212.154.32/2732AS2734
67.212.154.64/2732AS2734
66.128.151.152/298AS2734
66.128.151.160/2732AS2734
66.128.151.192/2816AS2734
66.128.151.208/2816AS2734
66.128.151.224/2732AS2734
66.128.152.0/298AS2734
67.212.147.184/298AS2734
67.212.147.192/2732AS2734
67.212.147.224/2816AS2734
67.212.149.136/298AS2734
67.212.149.144/2816AS2734
67.212.149.160/2732AS2734
67.212.157.96/2732AS2734
67.212.157.128/2816AS2734
67.212.157.144/298AS2734
67.212.159.120/298AS2734
67.212.159.128/2732AS2734
67.212.159.160/2816AS2734
66.128.152.120-66.128.152.17152AS2734
66.128.147.80/2816AS2734
66.128.147.96/2732AS2734
66.128.148.80/2816AS2734
66.128.148.96/2732AS2734
66.128.150.0/2732AS2734
66.128.150.32/2816AS2734
66.128.150.208/2816AS2734
66.128.150.224/2732AS2734
66.128.156.168-66.128.156.21548AS2734
67.212.145.48/2816AS2734
67.212.145.64/2732AS2734
67.212.149.208/2816AS2734
67.212.149.224/2732AS2734
67.212.149.64/2732AS2734
67.212.149.96/2816AS2734
67.212.150.192/2732AS2734
67.212.150.224/2816AS2734
67.212.155.80/2816AS2734
67.212.155.96/2732AS2734
66.128.149.136-66.128.149.17944AS2734
66.128.144.104/298AS2734
66.128.144.112/2816AS2734
66.128.144.128/2816AS2734
66.128.144.176/2816AS2734
66.128.144.192/2816AS2734
66.128.144.208/298AS2734
66.128.145.128/2732AS2734
66.128.145.160/298AS2734
66.128.149.200/298AS2734
66.128.149.208/2816AS2734
66.128.149.224/2816AS2734
66.128.151.0/2732AS2734
66.128.151.32/298AS2734
66.128.152.192/2732AS2734
66.128.152.224/298AS2734
66.128.152.240/2816AS2734
66.128.153.0/2816AS2734
66.128.153.16/298AS2734
66.128.153.64/2732AS2734
66.128.153.96/298AS2734
66.128.157.0/2732AS2734
66.128.157.32/298AS2734
66.128.158.64/2732AS2734
66.128.158.96/298AS2734
66.128.159.136/298AS2734
66.128.159.144/2816AS2734
66.128.159.160/2816AS2734
66.128.159.96/2732AS2734
66.128.159.128/298AS2734
67.212.145.112/2816AS2734
67.212.145.128/2816AS2734
67.212.145.144/298AS2734
67.212.145.248/298AS2734
67.212.146.0/2732AS2734
67.212.147.144/2816AS2734
67.212.147.160/2816AS2734
67.212.147.176/298AS2734
67.212.155.136/298AS2734
67.212.155.144/2816AS2734
67.212.155.160/2816AS2734
67.212.157.160/2732AS2734
67.212.157.192/298AS2734
66.128.144.144/2816AS2734
66.128.144.160/2816AS2734
66.128.146.16/2816AS2734
66.128.146.32/2816AS2734

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. CoreSite40,768 · 76.88%
  2. U.S. COLO, LLC12,256 · 23.11%
  3. Coresite4 · 0.01%
  4. Coresite Corp0 · 0.00%
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.