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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| — |
| 3 |
| 3 |
| AS401932US | ELEMONO-AS - Elemono LLC | — | 4 | 4 |
| AS197127US | OwO-Intranet-Services OwO Intranet Services LLC | — | 17 | 2 |
| AS35976US | LONE-PUFFIN-01 - Lone Puffin, LLC | — | 1 | 1 |
| AS402450US | JILLC-PRIMARY - ji's | — | 1 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS10725US | GENENTECH - Genentech, Inc. | — | 69.9K | 3 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS105US | MOT-MCD-AS - Gould Computer Systems Division | — | 128 | 2 |
| AS399011US | C3AERO - C3Aero LLC | — | 1 | 1 |
| AS168US | UMASS-AMHERST - University of Massachusetts - AMHERST | — | 256 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS397877US | ECBROADBAND - Eastern Carolina Broadband LLC | — | 1 | 1 |
| AS401637US | APRILNEA - AprilNEA LLC | — | 1 | 1 |
| AS33656US | CMCS - Comcast Cable Communications, LLC | — | 7 | 7 |
| AS6584US | MICROSOFT-GP-AS - Microsoft Corporation | — | 1 | 1 |
| AS51312US | SRSP-4-51312 - Aubrey Rose | — | 16 | 1 |
| AS402792US | DVC-NET-1 - Divine | — | 3 | 2 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS16626US | DATABANK-ZCOLO - zColo | — | 1 | 1 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS394536US | CLOUDFLARENET-SFO - Cloudflare, Inc. | — | 1 | 1 |
| AS50907US | CodeBGP ThousandEyes LLC | — | 1 | 1 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS57257US | ZORINS-AS Zorins LLC | — | 2 | 2 |
| AS214092US | Zachary-Ezetta Zachary Ezetta | — | 1 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS216250US | BENIOF-NET Benjamin Iofel | — | 16 | 1 |
| AS402801US | ANDRII-NET - Andrii | — | 3 | 3 |
| AS219534US | US-PLUSINFO PlusInfo LLC | — | 65.5K | 1 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS57266US | AHLEX Alexander Huynh | — | 1 | 1 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS212996US | ZEROAV-CUST Zero Attack Vector LLC | — | 65.8K | 3 |
| AS18457US | FEATHER-IT-NET - Feather IT LLC | — | 1 | 1 |
| AS211019US | servers-guru moula world llc | — | 2 | 2 |
| AS205398US | TYLER-OBRIEN Tyler Obrien | — | 298 | 28 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1 | 1 |
| AS54441US | RAVENNACREEK-AS-1 - RAVENNA CREEK, LLC | — | 16 | 1 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |
| AS399779US | MOCIX - HYEHOST LLC | — | 1 | 1 |
| AS29854US | WESTHOST - WestHost, Inc. | — | 65.5K | 1 |
| AS397496US | INMARSAT-GOVERNMENT - Inmarsat Government | — | 1 | 1 |