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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. | 218M | 24,645 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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 | 3,890 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,006 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,364 |
| 1 |
| 1 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS40792US | CYBERVERSE - CYBERVERSE | — | 1 | 1 |
| AS63232US | EDL-MANAGER - EDL Manager, LLC | — | 1 | 1 |
| AS400395US | HONGSHIN-AS-NA - Hongshin, Inc. | — | 1 | 1 |
| AS396968US | IMPUT - imput | — | 4 | 4 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS210066US | ANYCORE Anycore Inc | — | 1 | 1 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 1 | 1 |
| AS206493US | YUKI-SYSTEMS-AS Alexander Neustadter | — | 1 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS395649US | SCHWARTZNET-B - Schwartz Networks Limited Liability Company | — | 1 | 1 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS401574US | WIFIRESAS01 - Wifires Communications, LLC | — | 81.9K | 2 |
| AS19451US | ELECTROCLOUD - Electro Cloud | — | 65.5K | 1 |
| AS55116US | DOMINIK-DOBROWOLSKI - dominet LLC | — | 2 | 2 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS397203US | VRSN-AC28 - VeriSign Global Registry Services | — | 1 | 1 |
| AS16926US | KITTY-NETWORK - KittyTransit LLC | — | 64 | 4 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS200360US | FOLF-SYSTEMS-AS Cooper Greer | — | 23 | 5 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS56762US | OLYMPIC2 Olympic Input/Output, LLC | — | 2 | 2 |
| AS402577US | VIXNET - Snark | — | 1 | 1 |
| AS402119US | AS-NOVA-CUST - Nova86 | — | 1 | 1 |
| AS401389US | OWO-AS - OwO Network, LLC | — | 1 | 1 |
| AS139242US | CSL-AS-AP - Cloudflare Sydney, LLC | — | 1 | 1 |
| AS203069US | Thomas-Brown Thomas Riley Brown | — | 65.8K | 6 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS399624US | LECTRON - Lectron | — | 256 | 1 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS214085US | JUNIPERCIRCUIT-AS Eugene Lapidous | — | 1 | 1 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS1051US | RIDGETOWERNET - Ridge Tower Network, LLC | — | 4.1K | 1 |
| AS402940US | INTERFERE - Interfere | — | 1 | 1 |