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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| 3.3K |
| 65.5K |
| 9 |
| AS401097US | DICKINSON-EDU - Dickinson College | 3.3K | — | 4 |
| AS16595US | TORO - The Toro Company | 3.3K | — | 11 |
| AS53808US | MOEDOVE-N2 - MoeDove | 3.3K | 33 | 21 |
| AS402344US | XPCTECH - XPCTECH | 3.3K | 131.1K | 26 |
| AS22121US | TOPSHAM-COMMUNICATIONS - Topsham Communications LLC | 3.3K | 65.5K | 4 |
| AS397688US | BWINPARTY-US-NV - BWIN.PARTY ENTERTAINMENT (NJ), LLC | 3.3K | — | 13 |
| AS26804US | CBTS-US-PEERING-01 - CBTS Technology Solutions LLC | 3.3K | 4.1K | 9 |
| AS54829US | AS54829-NYITX - NYITX | 3.3K | 65.5K | 5 |
| AS25631US | GALLAUDET - Gallaudet University | 3.3K | 1 | 6 |
| AS397006US | MULLCLOUD - Mullcloud LLC | 3.3K | 266.2K | 5 |
| AS14091US | THRIVE-SE2 - Thrive Operations, LLC | 3.3K | — | 13 |
| AS1616US | DATABANK-CORELINK - CoreLink Data Centers | 3.3K | — | 6 |
| AS15038US | CAMBINC-1 - The Cambridge Incubator, LLC | 3.3K | — | 10 |
| AS14907US | WIKIMEDIA - Wikimedia Foundation Inc. | 3.3K | 11 | 22 |
| AS54043US | GOZFLY-LLC - GOZFLY LLC | 3.3K | 86K | 14 |
| AS400897US | PETROSKY - PETROSKY CLOUD LLC | 3.3K | — | 7 |
| AS27298US | REACH4 - REACH4 Communications | 3.3K | 65.5K | 4 |
| AS26739US | DN-154-26739 - Dash Networks Inc. | 3.3K | 1 | 12 |
| AS13996US | ECHOSTAR - Dish Network Corporation | 3.3K | — | 13 |
| AS14925US | DELTA - Delta Air Lines | 3.3K | — | 12 |
| AS14606US | CCCFIBER - Cherry Capital Connection, LLC | 3.3K | — | 6 |
| AS40551US | ATVI-NETWORK-ASN - Activision Publishing, Inc. | 3.1K | — | 12 |
| AS35924US | NTS-TYLER-01 - Vexus Fiber | 3.1K | — | 3 |
| AS394452US | MCKINSEY-US-AWP - McKinsey & Company, Inc. | 3.1K | — | 12 |
| AS402631US | FLIPTHEORY - FlipTheory | 3.1K | — | 12 |
| AS25754US | BLUEPRINT - Blueprint America, Inc. | 3.1K | — | 12 |
| AS40468US | MONTGOMERYCOUNTYMDGOV - Montgomery County Government, Maryland | 3.1K | — | 2 |
| AS21964US | THE-SCOTTS-COMPANY - The Scotts Company | 3.1K | — | 5 |
| AS54086US | SINGLE-DIGITS - Single Digits, Inc. | 3.1K | — | 12 |
| AS32027US | POS-ASN - Port of Seattle | 3.1K | — | 5 |
| AS396167US | BHN-BGP - Blackhawk Network, Inc. | 3.1K | — | 11 |
| AS11207US | BOSTON-GLOBE-NETWORK-01 - Boston Globe Media Partners, LLC | 3.1K | — | 8 |
| AS35960US | CBH-NET-AS1 - City of Beverly Hills | 3.1K | — | 4 |
| AS25846US | US-CLOUDNIUM-01 - Cloudnium LLC | 3.1K | 257 | 13 |
| AS396018US | INOVALON - Inovalon Inc. | 3.1K | — | 5 |
| AS12228US | 2CO - GENESISCARE USA OF FLORIDA, LLC | 3.1K | — | 2 |
| AS55244US | BLUE-01 - Blue Origin Enterprises, L.P. | 3.1K | 260 | 13 |
| AS397093US | SEH-CDC - St. Elizabeth Medical Center, Inc. | 3.1K | — | 12 |
| AS13830US | NEXRIL - PureVoltage Hosting Inc. | 3.1K | 12.3K | 7 |
| AS22184US | IRIDIUM-SATELLITE - IRIDIUM SATELLITE,LLC | 3.1K | — | 9 |
| AS20398US | CNCS-AS - Controlled Networks and Communications Solutions, Inc. | 3.1K | — | 12 |
| AS14110US | GENESYS-ASN - Genesys Telecommunications Laboratories,Inc. | 3.1K | — | 8 |
| AS54038US | CALLIDUS-SOFTWARE - Callidus Software Inc. | 3.1K | — | 10 |
| AS7366US | LEMURIACO - Lemuria Communications Inc. | 3.1K | — | 2 |
| AS46830US | ASN-GWINNETT - Gwinnett County Public Schools | 3.1K | — | 8 |
| AS54214US | CCMH-AS1 - Comanche County Memorial Hospital | 3.1K | — | 2 |