Cogent Communications
AS174Cogent Communications operates one of the largest Tier 1 IP backbone networks globally, with over 1,000 carrier-neutral data center interconnections across North America, Europe, and Asia. Founded in 1999 and headquartered in Washington, D.C., Cogent provides IP transit, dedicated internet access, and optical wavelength services primarily to enterprise, carrier, and content customers.
Data verified: 03/26/2026
Routing & Connectivity
AS Cone Rank#3
Known Peers6,728
Prefixes v45,037
Prefixes v6418
IX Presence1+IXPs
RPKI ROVenabled
Avg Path Length2.6
Downstream Peers6,677+
Source: bgp.toolsAvg path length derived from RouteViews (CC-BY 4.0)Verified 04/04/2026View live data on bgp.tools →
Operational Capabilities
BGP Communities
Granular
local preference, prepend
Flowspec
Not supported
RTBH
Supported
IPv6
Native dual-stack
Port Sizes
100M – 100G
Commit Model
Flat-rate and burstable (95th percentile)
Source: Carrier documentationCarrier-sourcedVerified 04/04/2026View BGP communities on bgp.tools →
Content Provider Reach
10 providers tracked
Google
AS15169
Direct peer
Amazon/AWS
AS16509
Direct peer
Microsoft/Azure
AS8075
Direct peer
Meta
AS32934
Direct peer
Cloudflare
AS13335
Direct peer
Source: bgp.tools adjacency dataAdjacency only — no quality assessmentVerified 03/26/2026View all peers on bgp.tools →
Routing Governance
RPKI ROA Coverage
~10%
of originated prefixes have valid ROAs
RPKI Route Origin Validation
enabled
Rejects RPKI-invalid routes
IRR Records
RADB
~1,914 route objects registered
DDoS Mitigation
Basic (RTBH only, no scrubbing service)
RPKI: bgp.toolsIRR: IRR ExplorerVerified 04/02/2026
Facility Presence
10 locations
Ashburn, VA
Equinix DC2/DC3/DC4/DC5Equinix
1g10g100g
Chicago, IL
Equinix CH1/CH2/CH4Equinix
1g10g100g
Dallas, TX
Equinix DA1Equinix
1g10g100g
CoreSite DA1CoreSite
1g10g100g
Houston, TX
CyrusOne Houston WestCyrusOne
1g10g
Los Angeles, CA
CoreSite LA1CoreSite
1g10g100g
Equinix LA1Equinix
1g10g100g
Verify This Data
bgp.tools
Live routing metrics, communities, RPKI
PeeringDB
Peering policy, facilities, NOC contacts
CAIDA AS Rank
Customer cone, provider/peer relationships
RIPEstat
Routing history, BGP updates, path analysis
bgp.he.net
Prefix list, peers, IX participation, IRR
IRR Explorer
IRR objects, RPKI comparison, origin validation
Cogent Communications Looking Glass
Live route lookup from Cogent Communications’s routers
Cogent Communications Website
Product pages, SLA terms, BGP community docs
Operator Reviews
No reviews yet. Be the first operator to review Cogent Communications.
Reviews cover 7 dimensions: Provisioning, Performance, NOC Support, BGP Quality, Billing, Contracts, Account Management.
Community Intelligence
Operator experiences, peering dynamics, and discussion threads about Cogent Communications — contributed by the community
See something wrong or outdated? Let us know →
Peerfloor carrier data is community-maintained. Corrections are verified and applied within 48 hours.