Network Carriers in Colocation Data Centers
Top 100 network carriers by data center presence
Each carrier’s page lists every ColoMap facility where they’re available on-net, the cities they serve, and the internet exchanges they’re reachable through.
#1
Cogent Communications, Inc. (AS174) 1053
#2
Zayo (AS6461) 539
#3
Megaport Global Access (AS49915) 532
#4
Hurricane Electric (AS6939) 495
#5
Arelion (Twelve99) (AS1299) 447
#6
GTT Communications (AS3257) (AS3257) 437
#7
Akamai Technologies (AS20940) 339
#8
Cloudflare (AS13335) 339
#9
Colt (AS8220) 308
#10
Amazon.com (AS16509) 280
#11
RETN (AS9002) 275
#12
NetIX Communications (AS57463) 269
#13
Microsoft (AS8075) 264
#14
BT (AS5400) 236
#15
BSO (AS4455) 215
#16
Netskope (AS55256) 211
#17
IX Reach (AS43531) 208
#18
Google LLC (AS15169) 207
#19
IPTP Networks (AS41095) 205
#20
Meta (AS32934) 203
#21
Unitas Global (AS1828) 191
#22
Fastly, Inc. (AS54113) 185
#23
TATA Communications Ltd (AS6453) 172
#24
Orange (AS5511) 168
#25
Subspace (AS32261) 168
#26
PacketFabric (AS4556) 161
#27
Core-Backbone (AS33891) 160
#28
Anexia (AS42473) 158
#29
ClouDNS (AS203391) 157
#30
Gcore (AS199524) 154
#31
NTT Global IP Network (AS2914) 152
#32
CDN77 (AS60068) 151
#33
Zenlayer Inc (AS21859) 147
#34
China Mobile International (AS58453) 146
#35
Global Secure Layer (AS137409) 143
#36
Edgio - AS22822 (AS22822) 139
#37
ZET.NET (AS6204) 134
#38
Telecom Italia Sparkle (AS6762) 132
#39
Apple Inc. (AS714) 132
#40
ByteDance (AS396986) 130
#41
BICS (AS6774) 130
#42
Vodafone Global Network (AS1273) 130
#43
Epsilon (AS44356) 130
#44
ACE CDN (AS139341) 129
#45
Netflix (AS2906) 128
#46
Inter.link (AS5405) 128
#47
Cato Networks (AS13150) 127
#48
SG.GS (AS24482) 126
#49
meteversecloud (AS54994) 126
#50
OVHcloud (AS16276) 122
#51
CacheFly (AS30081) 119
#52
i3D.net (AS49544) 115
#53
Akamai Direct Connect (AS20189) 113
#54
Kaopu Cloud HK (AS138915) 110
#55
Telxius Cable (AS12956) 109
#56
Yahoo (AS10310) 107
#57
PCCW Global (AS3491) 99
#58
IELO (AS29075) 99
#59
Sony Interactive Entertainment (AS33353) 99
#60
Thales/Imperva (AS19551) 99
#61
M247 (AS9009) 98
#62
Oracle Cloud Infrastructure (AS31898) 97
#63
PCH AS42 (AS42) 97
#64
AS8882 (AS8882) 95
#65
Deutsche Telekom (AS3320) 92
#66
Eurofiber (AS39686) 91
#67
SpaceX Starlink (AS14593) 91
#68
Sipartech (AS8309) 90
#69
CCR (AS30536) 89
#70
SoftLayer Technologies, Inc. (an IBM Company) (AS36351) 87
#71
Hong Kong Zeyond Technology AS140883 (AS140883) 85
#72
F5 Inc. (AS35280) 84
#73
HOOP7NETWORK (AS216440) 83
#74
NetActuate (AS36236) 80
#75
Valve Corporation (AS32590) 80
#76
Atlantic Metro (AS29838) 80
#77
Enzu Inc. (AS18978) 79
#78
C3Aero (AS399011) 79
#79
Anexia CloudDNS (AS42388) 78
#80
Asympto Networks (AS39533) 78
#81
Hetzner Online (AS24940) 77
#82
GNM (AS31500) 77
#83
Azion Technologies (AS52580) 76
#84
Ziply Fiber (AS20055) 76
#85
Automattic (AS2635) 74
#86
euNetworks Group (AS13237) 73
#87
Zayo Europe (AS8218) 73
#88
Tiggee (AS16552) 72
#89
Alibaba Cloud CDN (AS24429) 72
#90
Init7 (AS13030) 71
#91
Riot Games (AS6507) 71
#92
MDNET (AS40138) 71
#93
Teraswitch Inc (AS20326) 70
#94
EdgeUno (AS7195) 69
#95
TierPoint LLC (AS17378) 69
#96
InterCloud (AS197981) 69
#97
Cisco Umbrella (AS36692) 68
#98
Neterra (AS34224) 68
#99
UltraDNS (AS12008) 67
#100
WIIT Group (AS24961) 67
What is a network carrier in colocation?
A network carrier (also called a service provider or transit provider) is an autonomous system (AS) operator with physical fiber present inside a data center. Customers colocating in a carrier-neutral facility can establish a dedicated cross-connect to any carrier in the building, then run dedicated internet access (DIA), IP transit, cloud on-ramps, MPLS / SD-WAN circuits, or private peering across that link.
Why carrier choice matters for colocation
- Redundancy. Multi-homing across two or more carriers in the same building avoids single-vendor outages without paying for an additional cross-connect to a remote facility.
- Cost. Larger carriers (Tier 1 backbones like Cogent, Lumen, Arelion, Telia, NTT) typically offer lower per-Mbps transit pricing thanks to settlement-free peering with the rest of the global routing table.
- Latency. Choosing a carrier with strong regional infrastructure (e.g. Hurricane Electric in North America, Arelion in Europe) can shave milliseconds off latency-sensitive workloads.
- Cloud on-ramps. Hyperscale providers like AWS Direct Connect, Azure ExpressRoute, and Google Cloud Interconnect are usually available as dedicated cross-connects in the same major colo facilities.
- Peering reach. Carriers connected to large internet exchanges (DE-CIX, AMS-IX, LINX, Equinix IX, etc.) get faster routes to content destinations that peer at those IXes.
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