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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| 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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| 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 |
| BAYFIELD-WIRELESS - Bayfield Wireless |
| — |
| — |
| 0 |
| AS402270US | SOFTERYX-INC - Softeryx | — | 256 | 1 |
| AS396767US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS5132US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS4984US | INGRESS - Ingress Communications, Inc. | — | — | 0 |
| AS399975US | NSWAT - NetSWAT LLC | — | 524.3K | 8 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS216043US | QuantumNetwork Quantum Network LLC | — | 1 | 1 |
| AS5244US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS396453US | VENUS-PEAK10 - Venus Fashion, Inc. | — | — | 0 |
| AS211562US | andrewnet andrewnet llc | — | 262 | 7 |
| AS396561US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS398253US | KYOYA-HNLWS-MEZZANINE-01 - Sheraton Waikiki Beach Resort | — | — | 0 |
| AS11021US | NVH-ASN - North Valley Hospital | — | 256 | 1 |
| AS398046US | ZIMMERBIOMET-INET - Zimmer Biomet Holdings Inc | — | — | 0 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS397083US | CEL-NET1-V4 - Chicopee Electric Light | — | — | 0 |
| AS395841US | TAMCLOUD - tamCloud, Inc. | — | 4.1K | 1 |
| AS5695US | MAILROOM-NT - Allen Bradley Inc. | — | — | 0 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS6317US | MILLENNIANET - MillenniaNet, LLC | — | — | 0 |
| AS354US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | 512 | 2 |
| AS6447US | ROUTEVIEWS - University of Oregon | — | — | 0 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |
| AS400546US | EXAGRID-ASN - Exagrid | — | 2 | 2 |
| AS4360US | AGNES-SCOTT - Agnes Scott College | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS5863US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS395556US | TRI-CORP - Trident Seafoods Corporation | — | 3 | 3 |
| AS4264US | CERNET-ASN-BLOCK - California Education and Research Federation Network | — | — | 0 |
| AS216124US | C-RAM-AS C-Ram Inc. | — | 256 | 1 |
| AS4068US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS402460US | UAMS-SCIENCE-DMZ - University | — | 1 | 1 |
| AS4042US | VERO-NETWORKS-AS4042 - Vero Broadband | — | — | 0 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS5822US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS54344US | NEXTRAQ-LLC - NexTraq, LLC | — | 1 | 1 |
| AS4562US | INTEX - Intex-Net | — | — | 0 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS399196US | REDRAY-STUDIOS - REDRAY STUDIOS LLC | — | 3 | 3 |
| AS206540US | TOWNBUS BEANSUMMERHOST NEXTGEN SHED HOSTING SOLUTIONS LLC | — | 26 | 11 |
| AS5649US | KEVNET-ASN - Kevin Communication Services | — | — | 0 |
| AS27439US | MULTIPLEX-NET - MultiPlex Networks LLC | — | 4.1K | 1 |