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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.9M | 21,026 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,220 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
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.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,585 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,534 |
| MONON-TEL - Monon Telephone Company, Inc. |
| 4.4K |
| 65.5K |
| 5 |
| AS19368US | THRIVE-SNS-COLO - Thrive Operations, LLC | 4.4K | — | 4 |
| AS18647US | ACCEL-AS - Accel Net, Inc. | 4.4K | — | 2 |
| AS32331US | FIVEPOINT NETWORKS - FivePoint Networks, LLC | 4.4K | — | 5 |
| AS10457US | ILX-ASN - Refinitiv US LLC | 4.4K | — | 17 |
| AS397446US | MIDWESTFIBERNETWORK-ASN1 - Midwest Fiber Network, LLC | 4.4K | 65.8K | 12 |
| AS399597US | BOLD-WJC - Apogee Telecom Inc. | 4.4K | 1 | 3 |
| AS399469US | RELIABLE-NETS - Reliable Nets LLC | 4.4K | — | 2 |
| AS11512US | PDM - Parsec Data Management Inc. | 4.4K | 4.1K | 12 |
| AS33178US | CSINET - Cable Services, Inc. | 4.4K | — | 3 |
| AS26449US | GENEVAONLINE - Geneva On-Line, Inc. | 4.4K | — | 2 |
| AS53597US | HOYOS-CONSULTING-LLC - Hoyos Consulting LLC | 4.4K | 78.3K | 13 |
| AS18825US | NWF-LOCALTEL-ASN-2 - Ziply Fiber | 4.4K | 65.5K | 4 |
| AS10320US | ISPN - Internet Services Provider Network | 4.4K | 65.5K | 3 |
| AS398536US | FRC-BROADBAND-01 - Farmers Rural Connect, Inc. | 4.4K | — | 7 |
| AS55032US | JAXNET-BH-01 - The Jackson Laboratory | 4.4K | — | 17 |
| AS400704US | NEWCONNECT-01 - NewConnect, LLC | 4.4K | — | 11 |
| AS396312US | FHC - Richmond Memorial Hospital | 4.4K | — | 2 |
| AS400066US | FRIB-01 - Michigan State University | 4.4K | 2 | 4 |
| AS400405US | FORT-DODGE-FIBER - Fort Dodge Fiber | 4.4K | 65.5K | 4 |
| AS32768US | MOBIUS-COMMUNICATIONS-NE - HEMINGFORD TELEPHONE | 4.4K | — | 2 |
| AS132110US | DMITINC-AS-AP - DMIT Inc | 4.4K | — | 17 |
| AS21668US | ENET - ElbertonNet | 4.4K | — | 9 |
| AS21573US | HEALTHPARTNERS - HealthPartners | 4.4K | — | 9 |
| AS14368US | BRAZOS-INTERNET - Brazos Internet | 4.4K | — | 2 |
| AS11061US | ANTEL-NET - Antelecom, Inc. | 4.1K | — | 1 |
| AS54098US | LIONLINK-NETWORKS - LIONLINK NETWORKS | 4.1K | 65.5K | 2 |
| AS27403US | APA-CTY - Apache County Board of Supervisors | 4.1K | — | 1 |
| AS27183US | NSD417 - Northshore School District | 4.1K | — | 1 |
| AS32024US | BLUEFI-AS-1 - Blueficity | 4.1K | 65.5K | 13 |
| AS395098US | RFIH-NET1 - Retail Finance International Holdings, Inc. | 4.1K | — | 10 |
| AS30035US | HEAVENWIRE - Mobilcomm, Inc | 4.1K | — | 16 |
| AS19555US | KMI-NETWORK - Kinder Morgan, Inc. | 4.1K | — | 1 |
| AS54985US | AS-PIN - PIN LLC | 4.1K | — | 1 |
| AS401288US | CL-BROADBAND - C&L Broadband Connect, LLC | 4.1K | 65.5K | 2 |
| AS397608US | HCAS-4 - Hanson Communications, Inc. | 4.1K | — | 6 |
| AS23027US | BOINGO - Boingo Wireless, Inc. | 4.1K | — | 1 |
| AS20469US | TRIMETNET - Tri-County Metropolitan Transit District | 4.1K | — | 1 |
| AS20228US | NTUA - Navajo Tribal Utility Authority | 4.1K | 65.5K | 4 |
| AS46598US | SOUTHERN-OHIO-COMMUNICATION-SERVICES - Southern Ohio Communication Services | 4.1K | — | 3 |
| AS17322US | NAVIGY-HOLDINGS - Navigy Holdings, Inc. | 4.1K | — | 1 |
| AS13788US | USCOURTS - US Courts | 4.1K | — | 13 |
| AS201682US | LIQUID-WEB-BV Liquid Web B.V. | 4.1K | 65.5K | 5 |
| AS209622US | upress-drb uPress Inc | 4.1K | 6 | 21 |
| AS26123US | ITU-NET-1 - Independence Telecommunications Utility | 4.1K | 65.5K | 6 |
| AS395643US | CORONA-NORCOUSD - Corona-Norco Unified School District | 4.1K | — | 16 |
| AS19162US | MBI-AS-1 - The Moody Bible Institute of Chicago | 4.1K | — | 1 |