GTT Communications

AS3257
Tier 1 Carrier/ISPTransit-Freewww.gtt.net →

GTT Communications operates a global Tier 1 IP backbone with extensive presence across North America and Europe, serving multinational enterprise and carrier customers. Headquartered in McLean, Virginia, GTT provides IP transit, SD-WAN, managed networking, and security services, with AS cone rank #5 globally. The network is transit-free and maintains direct peering relationships with major global carriers and content networks.

Data verified: 03/26/2026
Routing & Connectivity
AS Cone Rank#5
Known Peers1,868
Prefixes v41,279
Prefixes v653
IX Presence2+IXPs
RPKI ROVenabled
Avg Path Length2.5
Downstream Peers1,798+
Source: bgp.toolsAvg path length derived from RouteViews (CC-BY 4.0)Verified 04/05/2026View live data on bgp.tools →
Operational Capabilities
BGP Communities
Granular
blackhole, prepend, regional
Flowspec
Not supported
RTBH
Supported
IPv6
Native dual-stack
Port Sizes
1G – 100G
Commit Model
Flat-rate and burstable (95th percentile)
Source: Carrier documentationCarrier-sourcedVerified 04/05/2026View BGP communities on bgp.tools →
Content Provider Reach
10 providers tracked
Google
AS15169
Direct peer
Amazon/AWS
AS16509
Direct peer
Microsoft/Azure
AS8075
No 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
~39%
of originated prefixes have valid ROAs
RPKI Route Origin Validation
enabled
Rejects RPKI-invalid routes
IRR Records
RIPE
~1,320 route objects registered
DDoS Mitigation
Basic (RTBH blackhole community only)
RPKI: bgp.toolsIRR: IRR ExplorerVerified 04/02/2026
Facility Presence
4 locations
Verify This Data
bgp.tools
Live routing metrics, communities, RPKI
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PeeringDB
Peering policy, facilities, NOC contacts
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CAIDA AS Rank
Customer cone, provider/peer relationships
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RIPEstat
Routing history, BGP updates, path analysis
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bgp.he.net
Prefix list, peers, IX participation, IRR
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IRR Explorer
IRR objects, RPKI comparison, origin validation
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GTT Communications Looking Glass
Live route lookup from GTT Communications’s routers
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GTT Communications Website
Product pages, SLA terms, BGP community docs
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Operator Reviews

No reviews yet. Be the first operator to review GTT 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 GTT Communications — contributed by the community
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