Loading…
How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| 51.5K |
| 197.4K |
| 45 |
| AS11550US | SDL-20-AS - Smithville Digital, LLC | 51.5K | — | 13 |
| AS4226US | SUMOFIBER - Sumofiber | 51.5K | 262.1K | 43 |
| AS2635US | AUTOMATTIC - Automattic, Inc | 51.5K | 47 | 202 |
| AS4237US | CSC-IGN-FTW-AS4237 - DXC US Latin America Corporation | 51.2K | — | 13 |
| AS18501US | JOESD-18501 - CyberCloud Professionals LLC | 51.2K | 131.1K | 122 |
| AS394380US | LEASEWEB-USA-DAL - Leaseweb USA, Inc. | 51.2K | 65.5K | 54 |
| AS27506US | CROWNCASTLE-AS27506 - Crown Castle Fiber LLC | 51.2K | — | 17 |
| AS393552US | COL-LPC - Longmont Power & Communications | 50.9K | 65.5K | 37 |
| AS15100US | BEVCOMM-AS1 - Bevcomm | 50.7K | — | 19 |
| AS33339US | NEMONT-CELLULAR - Nemont | 50.4K | 65.5K | 126 |
| AS33353US | SBS - Sony Interactive Entertainment LLC | 50.4K | 230.2K | 147 |
| AS15153US | STARWIRELESS-15153 - StarVision, Inc. | 50.4K | 65.5K | 64 |
| AS23118US | SKYBEST - Skyline Telephone | 50.4K | 65.5K | 77 |
| AS19201US | ETC - Eastex Telephone Cooperative, Inc. | 50.4K | 65.5K | 21 |
| AS10971US | CASSCOMM - Cass Cable TV, Inc. | 50.4K | 65.5K | 20 |
| AS13868US | PEAK INTERNET - Peak Internet | 50.4K | 65.5K | 6 |
| AS11499US | WHOI-WOODSHOLE - Woods Hole Oceanographic Institution | 50.4K | — | 9 |
| AS2734US | CORESITE - CoreSite | 50.2K | 110.6K | 83 |
| AS393337US | UOFHARTFORD - The University of Hartford | 50.2K | — | 6 |
| AS33566US | KUB-FIBER-01 - Knoxville Utilities Board | 49.9K | 35.3K | 82 |
| AS32806US | MTNSAT-ASN-02 - MTNSAT Holdings LLC | 49.9K | 10 | 49 |
| AS2923US | AS-TIAA-NET - TIAA-CREF | 49.7K | — | 29 |
| AS11403US | NYINTERNET - NYI | 49.7K | 139.3K | 32 |
| AS1820US | WNET - WNET TELECOM USA Corp. | 49.7K | 594K | 46 |
| AS31863US | DACEN-2 - Centrilogic, Inc. | 49.7K | 65.5K | 54 |
| AS397179US | BRIDGEWATER-COLLEGE - Bridgewater College | 49.4K | — | 4 |
| AS15243US | WIDENER - Widener University | 49.4K | — | 4 |
| AS167US | WESLEYAN-AS - Wesleyan University | 49.4K | — | 3 |
| AS6620US | AS-6620 - AMA Communications, LLC | 49.4K | — | 101 |
| AS14789US | CLOUDFLARENET - Cloudflare, Inc. | 49.4K | 191 | 384 |
| AS26367US | BRADLEY-UNIVERSITY - Bradley University | 49.2K | — | 7 |
| AS22987US | BRIGHTRIDGE - BrightRidge | 49.2K | 65.5K | 4 |
| AS14263US | SD-NET - South Dakota State Government | 49.2K | 65.5K | 8 |
| AS395776US | FEDERAL-ONLINE-GROUP-LLC - FEDERAL ONLINE GROUP LLC | 49.2K | — | 192 |
| AS398446US | COOPERATIVE-CONNECTION-01 - Cooperative Connection, LLC | 49.2K | 65.5K | 16 |
| AS398143US | TRUESTREAM - Great Lakes Energy Connections Inc. | 49.2K | 65.5K | 12 |
| AS11050US | KENT-STATE - Kent State University | 49.2K | — | 3 |
| AS11071US | IW-ASN-11071 - InfoWest | 49.2K | 201.2K | 35 |
| AS53260US | CLARKU - Clark University | 49.2K | — | 9 |
| AS14745US | INTERNAP-BLOCK-4 - Unitas Global | 48.9K | 65.5K | 47 |
| AS33647US | YADTELNET - Yadkin Valley Telephone | 48.6K | 65.5K | 21 |
| AS19024US | INTERNAP-BLK5 - Unitas Global | 48.6K | 65.5K | 24 |
| AS19504US | WTCC - WTC Communications, Inc. | 48.6K | — | 24 |
| AS14543US | SRT-ASN - SRT Communications, Inc. | 48.6K | 65.5K | 15 |
| AS11798US | ACEDATACENTERS-AS-1 - Ace Data Centers, Inc. | 48.6K | 98.3K | 161 |
| AS401696US | COGNETCLOUD - cognetcloud INC | 48.4K | — | 46 |