CoreSite - Reston (VA1)
Internet ExchangeReston, VA · CoreSite
At a glance
CoreSite - Reston (VA1) is a colocation and interconnection facility listed in PeeringDB, located at 12100 Sunrise Valley Drive, Reston, VA 20191. It is operated by CoreSite. 79 networks are present at CoreSite - Reston (VA1) according to PeeringDB, ranking it 24th of 1,390 US facilities by network count. It hosts 6 internet exchanges (public peering fabrics).
Peering & carrier density
Location
How many networks and carriers are at CoreSite - Reston (VA1)?
79 networks are present at CoreSite - Reston (VA1) according to PeeringDB, ranking it 24th of 1,390 US facilities by network count. Within Virginia it ranks 2nd of 86 facilities. That is about 32 times the Virginia median of 2.5 networks per facility (national median: 2). 6 internet exchanges have switching equipment in the building, so networks can peer publicly as well as by private cross-connect.
Who operates CoreSite - Reston (VA1)?
PeeringDB lists CoreSite as the operator of CoreSite - Reston (VA1). CoreSite has 28 facilities in the GridCensus catalog across 10 states, 3 of them in Virginia.
Where is CoreSite - Reston (VA1) located?
The facility's address is 12100 Sunrise Valley Drive, Reston, VA 20191. Reston has 7 PeeringDB interconnection facilities in the catalog. Virginia has 86 of the 1,390 US facilities; the best-connected has 504 networks present.
What datacenters and sites are near CoreSite - Reston (VA1)?
5 datacenters are listed in the surrounding area (the largest by footprint); of those, the closest is Digital Loudoun Plaza, operated by GI Property Management, about 7.2 miles away. The highest-scoring datacenter candidate site in the surrounding area is BRAMBLETON in Loudoun County, with a DC Readiness score of 69.8 out of 100.
Other exchanges in Reston
- CoreSite - Reston (VA2)20 networks
- CoreSite - Reston (VA3)14 networks
- Evocative Virginia (VA1)4 networks
- Flex Data Center2 networks
- Digital Realty IAD (1780 Business Center)2 networks
- Anexio VA30 networks
Nearby datacenters
- True North Data CentersTrue North Data Solutions · VA
- Digital Loudoun PlazaGI Property Management · Ashburn, VA
- Google Data CenterGoogle · VA
- NTT Ashburn CampusVA
- Arcola Tech ParkVA
Nearby datacenter candidate sites
Scored candidate sites near CoreSite - Reston (VA1), ranked by DC Readiness. Co-location near a well-peered exchange is a meaningful fiber-connectivity advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| BRAMBLETON | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 5.1 yrs | 69.8 |
| GOOSE CREEK | Substation-Adjacent | VA | Loudoun County | 500 kV | 1,000 MW | 5.1 yrs | 69.5 |
| CLIFTON | Substation-Adjacent | VA | Manassas Park city | 500 kV | 1,000 MW | 5.1 yrs | 69.1 |
| MOSBY | Substation-Adjacent | VA | Manassas Park city | 500 kV | 1,000 MW | 5.1 yrs | 68.9 |
| OX | Substation-Adjacent | VA | Fairfax County | 500 kV | 1,000 MW | 5.1 yrs | 68.5 |
| BRISTERS | Substation-Adjacent | VA | Prince William County | 500 kV | 1,000 MW | 5.1 yrs | 68.3 |
| UNKNOWN116662 | Substation-Adjacent | VA | Stafford County | 500 kV | 1,000 MW | 5.1 yrs | 68.0 |
| CANNON BRANCH | Substation-Adjacent | VA | Manassas city | 230 kV | 300 MW | 5.1 yrs | 66.8 |
Frequently asked questions
Who owns or operates CoreSite - Reston (VA1)?
CoreSite - Reston (VA1) is operated by CoreSite, according to its PeeringDB facility record. CoreSite has 28 US facilities in the GridCensus catalog across 10 states.
What is the address of CoreSite - Reston (VA1)?
CoreSite - Reston (VA1) is at 12100 Sunrise Valley Drive, Reston, VA 20191. Coordinates: 38.9506, -77.3645.
How many networks and carriers are at CoreSite - Reston (VA1)?
79 networks are present at CoreSite - Reston (VA1) according to PeeringDB, ranking it 24th of 1,390 US facilities by network count. The median Virginia facility has 2.5 networks present. PeeringDB counts every network (carriers, ISPs, cloud and content networks) that lists the facility as a point of presence.
Is there an internet exchange at CoreSite - Reston (VA1)?
Yes. PeeringDB records 6 internet exchanges with a presence at CoreSite - Reston (VA1).
Which datacenters are near CoreSite - Reston (VA1)?
Large datacenters catalogued near CoreSite - Reston (VA1) include Digital Loudoun Plaza (GI Property Management), 7.2 miles away; NTT Ashburn Campus, 7.4 miles away; Google Data Center (Google), 8.7 miles away.
More interconnection facilities and hubs in Virginia
About this data
Source: PeeringDB facility records, as published March 6, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “CoreSite - Reston (VA1), Reston, VA”, https://gridcensus.com/internet-exchanges/coresite-reston-va1-f73d72df (data as of March 6, 2026).
Dataset updated . Screening estimates derived from public data sources.
Network and exchange counts are point-in-time figures from PeeringDB and may lag changes at the facility.
Go deeper than the public screen
Every site and score for CoreSite - Reston (VA1), Reston, VA is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.