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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. | 217.9M | 23,372 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,819 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,993 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,303 |
| 4 |
| 4 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS400743US | SPACESHIP-LANDINGS - Spaceship Landings LLC | — | 1 | 1 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 1 | 1 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS204969US | JOHN-BURKE John Burke | — | 3 | 3 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS30399US | HOSTENGINE - Host-Engine.com | — | 4.1K | 1 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS216250US | BENIOF-NET Benjamin Iofel | — | 16 | 1 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS205398US | TYLER-OBRIEN Tyler Obrien | — | 299 | 29 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS401779US | AAROBAND - AaroBand, Inc. | — | 4.1K | 1 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS401574US | WIFIRESAS01 - Wifires Communications, LLC | — | 81.9K | 2 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 20 | 4 |
| AS402696US | AS402696 - Elkhorn | — | 1 | 1 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS26701US | AADS - NCRYPTD LLC | — | 1 | 1 |
| AS950US | MILEHIGHWALRUS-ANYCAST - Milehighwalrus Network | — | 32 | 2 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |
| AS402613US | MILAN-US-WEST-CALIFORNIA - Milaneum, | — | 4.1K | 1 |
| AS398394US | DF-HADDEN - DF Supply, Inc. | — | 1 | 1 |
| AS1051US | RIDGETOWERNET - Ridge Tower Network, LLC | — | 4.1K | 1 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 5 | 5 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS63101US | AFLYCLOUD-NETWORK - AFLY CLOUD LLC | — | 2 | 2 |
| AS211233US | Ronsor-LLC Ronsor LLC | — | 17 | 2 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS203975US | Zorn-Technologies Zorn Technologies LLC | — | 1 | 1 |