Level(3) Sunnyvale
Internet ExchangeSunnyvale, CA · Lumen Technologies Inc
At a glance
Level(3) Sunnyvale is a colocation and interconnection facility listed in PeeringDB, located at 1380 Kifer Rd., Sunnyvale, CA 95051. It is operated by Lumen Technologies Inc. 8 networks are present at Level(3) Sunnyvale according to PeeringDB, ranking it 255th 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 Level(3) Sunnyvale?
8 networks are present at Level(3) Sunnyvale according to PeeringDB, ranking it 255th of 1,390 US facilities by network count. Within California it ranks 32nd of 149 facilities. That is about 2.7 times the California median of 3 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 Level(3) Sunnyvale?
PeeringDB lists Lumen Technologies Inc as the operator of Level(3) Sunnyvale. Lumen Technologies Inc has 45 facilities in the GridCensus catalog across 23 states, 4 of them in California.
Where is Level(3) Sunnyvale located?
The facility's address is 1380 Kifer Rd., Sunnyvale, CA 95051. Sunnyvale has 5 PeeringDB interconnection facilities in the catalog. California has 149 of the 1,390 US facilities; the best-connected has 341 networks present.
What datacenters and sites are near Level(3) Sunnyvale?
5 datacenters are listed in the surrounding area (the largest by footprint); of those, the closest is Digital Realty Silicon Valley SJC37, operated by Digital Realty, about 2.2 miles away. The highest-scoring datacenter candidate site in the surrounding area is METCALF 1 in Santa Clara County, with a DC Readiness score of 62.4 out of 100.
Other exchanges in Sunnyvale
- Equinix SV4 - Silicon Valley, Sunnyvale16 networks
- H5 Data Centers Silicon Valley8 networks
- Equinix SV6 - Silicon Valley, Sunnyvale8 networks
- Centersquare Silicon Valley (SFO3)2 networks
Nearby datacenters
- Digital Realty Silicon Valley SC1Digital Realty · Santa Clara, CA
- Hurricane Electric Fremont 2Hurricane Electric · Fremont, CA
- MicrosoftMicrosoft · Santa Clara, CA
- Equinix SV5Equinix · San Jose, CA
- Digital Realty Silicon Valley SJC37Digital Realty · Santa Clara, CA
Nearby datacenter candidate sites
Scored candidate sites near Level(3) Sunnyvale, 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 |
|---|---|---|---|---|---|---|---|
| METCALF 1 | Substation-Adjacent | CA | Santa Clara County | 500 kV | 1,000 MW | 7.6 yrs | 62.4 |
| NEWARK DISTRIBUTION | Substation-Adjacent | CA | Alameda County | 230 kV | 300 MW | 7.6 yrs | 59.3 |
| S.L.A.C. | Substation-Adjacent | CA | San Mateo County | 230 kV | 300 MW | 7.6 yrs | 58.8 |
| EASTSHORE | Substation-Adjacent | CA | Alameda County | 230 kV | 300 MW | 7.6 yrs | 58.7 |
| LOS ESTEROS | Substation-Adjacent | CA | Alameda County | 230 kV | 300 MW | 7.6 yrs | 58.6 |
| FREMONT | Substation-Adjacent | CA | Alameda County | 230 kV | 300 MW | 7.6 yrs | 58.4 |
| Juniper Networks Sunnyvale | Brownfield | CA | Alameda County | 115 kV | 1 MW | 7.6 yrs | 58.1 |
| RAVENSWOOD | Substation-Adjacent | CA | San Mateo County | 230 kV | 300 MW | 7.6 yrs | 58.0 |
Frequently asked questions
Who owns or operates Level(3) Sunnyvale?
Level(3) Sunnyvale is operated by Lumen Technologies Inc, according to its PeeringDB facility record. Lumen Technologies Inc has 45 US facilities in the GridCensus catalog across 23 states.
What is the address of Level(3) Sunnyvale?
Level(3) Sunnyvale is at 1380 Kifer Rd., Sunnyvale, CA 95051. Coordinates: 37.3734, -121.9878.
How many networks and carriers are at Level(3) Sunnyvale?
8 networks are present at Level(3) Sunnyvale according to PeeringDB, ranking it 255th of 1,390 US facilities by network count. The median California facility has 3 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 Level(3) Sunnyvale?
Yes. PeeringDB records 1 internet exchange with a presence at Level(3) Sunnyvale.
Which datacenters are near Level(3) Sunnyvale?
Large datacenters catalogued near Level(3) Sunnyvale include Digital Realty Silicon Valley SJC37 (Digital Realty), 2.2 miles away; Microsoft (Microsoft), 2.4 miles away; Digital Realty Silicon Valley SC1 (Digital Realty), 2.5 miles away.
More interconnection facilities and hubs in California
- All internet exchange facilities in California· 149 facilities
- Lumen Technologies Inc — company profile· 45 facilities
- Datacenters in California
- Level(3) Los Angeles· Los Angeles · 6 networks
- Level(3) Oakland· Emeryville · 2 networks
- Level(3) Hayward· Hayward · 0 networks
- All US internet exchange facilities
- All US datacenters
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, “Level(3) Sunnyvale, Sunnyvale, CA”, https://gridcensus.com/internet-exchanges/level-3-sunnyvale-98945670 (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 Level(3) Sunnyvale, Sunnyvale, CA 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.