Cogent Herndon
Internet ExchangeHerndon, VA · Cogent Communications, Inc.
At a glance
Cogent Herndon is a colocation and interconnection facility listed in PeeringDB, located at 510 Huntmar Park Dr, Herndon, VA 20170. It is operated by Cogent Communications, Inc. 2 networks are present at Cogent Herndon according to PeeringDB, ranking it 680th of 1,390 US facilities by network count. It hosts 1 internet exchange (public peering fabrics).
Peering & carrier density
How many networks and carriers are at Cogent Herndon?
2 networks are present at Cogent Herndon according to PeeringDB, ranking it 680th of 1,390 US facilities by network count. Within Virginia it ranks 44th of 86 facilities. That is about 20% below the Virginia median of 2.5 networks per facility (national median: 2). 1 internet exchange has switching equipment in the building, so networks can peer publicly as well as by private cross-connect.
Who operates Cogent Herndon?
PeeringDB lists Cogent Communications, Inc. as the operator of Cogent Herndon. Cogent Communications, Inc. has 30 facilities in the GridCensus catalog across 17 states.
Where is Cogent Herndon located?
The facility's address is 510 Huntmar Park Dr, Herndon, VA 20170. Herndon has 3 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 Cogent Herndon?
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 6.1 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 Herndon
- 365 Data Centers Herndon (VA1)4 networks
- Level(3) Herndon1 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 Cogent Herndon, 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 |
| CANNON BRANCH | Substation-Adjacent | VA | Manassas city | 230 kV | 300 MW | 5.1 yrs | 66.8 |
| BRIGHTON | Substation-Adjacent | MD | Howard County | 500 kV | 1,000 MW | 5.3 yrs | 66.8 |
Frequently asked questions
Who owns or operates Cogent Herndon?
Cogent Herndon is operated by Cogent Communications, Inc., according to its PeeringDB facility record. Cogent Communications, Inc. has 30 US facilities in the GridCensus catalog across 17 states.
What is the address of Cogent Herndon?
Cogent Herndon is at 510 Huntmar Park Dr, Herndon, VA 20170. Coordinates: 38.9629, -77.3804.
How many networks and carriers are at Cogent Herndon?
2 networks are present at Cogent Herndon according to PeeringDB, ranking it 680th 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 Cogent Herndon?
Yes. PeeringDB records 1 internet exchange with a presence at Cogent Herndon.
Which datacenters are near Cogent Herndon?
Large datacenters catalogued near Cogent Herndon include Digital Loudoun Plaza (GI Property Management), 6.1 miles away; NTT Ashburn Campus, 6.2 miles away; Google Data Center (Google), 8.0 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, “Cogent Herndon, Herndon, VA”, https://gridcensus.com/internet-exchanges/cogent-herndon-0d1b7390 (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 Cogent Herndon, Herndon, 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.