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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,247 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,189 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,901 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,010 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,222 |
| VENTUSNETWORKS - Ventus Networks, LLC |
| 2.3K |
| — |
| 7 |
| AS12161US | DAO - dao Consulting, LLC | 2.3K | 16 | 7 |
| AS7954US | IMMENSE-NETWORKS - Immense Networks, LLC | 2.3K | 65.5K | 5 |
| AS20298US | WAVERLY-COMMUNICATIONS-UTILITY - Waverly Utilities | 2.3K | 65.5K | 4 |
| AS395019US | TCSSLLC-ASN - TCSS | 2.3K | — | 3 |
| AS62624US | NUCLEUS - Nucleus | 2.3K | — | 3 |
| AS36748US | STEDWARDS-ASN1 - St. Edwards University | 2.3K | — | 6 |
| AS47020US | DATA-CAVE - Data Cave | 2.3K | 65.5K | 4 |
| AS46829US | LAMHOSTING - Lamhosting LLC | 2.3K | 6 | 14 |
| AS10596US | JETNET - Beckman Software Engineering | 2.3K | — | 9 |
| AS1929US | UMASSNET-NET - University of Massachusetts - AMHERST | 2.3K | 16 | 6 |
| AS18994US | LABCORP-BLS - Laboratory Corporation of America | 2.3K | — | 10 |
| AS30560US | GE-MS001 - GE Precision HealthCare LLC | 2.3K | — | 10 |
| AS398636US | 832-COMMUNICATIONS - 832 Communications, LLC | 2.6K | 65.5K | 9 |
| AS35895US | CMMG-LTD - CMMG Ltd | 2.6K | 4.1K | 5 |
| AS46849US | TLSN-TX - TEXAS LONE STAR NETWORK, LLC | 2.6K | 65.5K | 7 |
| AS19050US | TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services | 2.6K | 18 | 13 |
| AS400902US | WASGN - Gaylord National Resort & Convention Center | 2.6K | — | 3 |
| AS25984US | MEDSTARHEALTH - MedStar Health | 2.6K | — | 9 |
| AS19181US | CWIE - CWIE LLC | 2.6K | 259 | 12 |
| AS12223US | AS-EQUIVOICE-COM - MNJ Technology Services LLC | 2.6K | — | 4 |
| AS33019US | WHEATONCOLLEGE - Wheaton College | 2.6K | — | 3 |
| AS32519US | DMIT-SERVICES - DMIT Cloud Services | 2.6K | 16 | 6 |
| AS18874US | MAXAR-ASN - Vantor Parent Inc. | 2.6K | — | 10 |
| AS14602US | TELIAX - Teliax, Inc. | 2.6K | 65.5K | 8 |
| AS1603US | HSU-AS - Henderson State University | 2.6K | — | 3 |
| AS18630US | RIDLEYSD-NET - The Ridley School District | 2.6K | — | 2 |
| AS46176US | JIUCLOUD - JiuCloud Networks LLC | 2.6K | — | 3 |
| AS33478US | TECHOPS-ASN-2 - Live Nation Entertainment, Inc. | 2.6K | — | 10 |
| AS21691US | TMCC-2 - Toyota Motor Credit Corporation | 2.6K | — | 8 |
| AS13893US | EHI-NA-AS-1 - Enterprise Holdings, Inc. | 2.6K | 5 | 15 |
| AS53866US | QTS-AS - Omeda Communications | 2.6K | — | 3 |
| AS30405US | CAIU-NET - Capital Area Intermediate Unit | 2.6K | 4.1K | 11 |
| AS30298US | META SOLUTIONS ATHENS - META Solutions | 2.6K | — | 2 |
| AS22691US | ISPNET-1 - ISPnet, Inc. | 2.6K | — | 8 |
| AS36363US | VIRIDIO-SOCAL - Viridio | 2.6K | 65.5K | 5 |
| AS32775US | SMART-CITY-DACC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 2.6K | — | 4 |
| AS21869US | SUN-CHEMICAL - Sun Chemical Corporation | 2.6K | — | 7 |
| AS16436US | INTERSTATEWIRELESS-AZAIRNET-01 - Az Airnet | 2.6K | 131.1K | 6 |
| AS62935US | DNL-AS-001 - Discovery Networks International LLC | 2.6K | — | 2 |
| AS398642US | SKANSKA-USA-WEST - SKANSKA USA INC | 2.6K | 1K | 4 |
| AS19970US | CARRIERDOMAIN-NYC - R&R Managed Telecom Services | 2.6K | 4.1K | 11 |
| AS398836US | NP-NETWORKS - NP Wireless LLC | 2.6K | — | 10 |
| AS1818US | DIALKENTUCKY - DIALOG TELECOMMUNICATIONS, INC. | 2.6K | — | 9 |
| AS29706US | MIXEDSIGNAL - ExpressDial Internet Inc. | 2.6K | — | 3 |
| AS31746US | FANDM - Franklin and Marshall College | 2.6K | — | 3 |
| AS39942US | LIU-AS - Lincoln Intermediate Unit 12 | 2.6K | — | 7 |