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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 | 3,139 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 228 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 396 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,707 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,953 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,418 |
| — |
| 1 |
| 1 |
| AS46464US | NB-PRIMARY-01 - Nybbles and Bytes Studios, LLC | — | 1 | 1 |
| AS207836US | SDUBS-NET Scott Schulz | — | 1 | 1 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS2010US | INFONET6 - INFONET Services Corporation | — | 1 | 1 |
| AS396518US | BUILDJET - BUILDJET, INC. | — | 1 | 1 |
| AS16926US | KITTY-NETWORK - KittyTransit LLC | — | 80 | 5 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS402119US | AS-NOVA-CUST - Nova86 | — | 1 | 1 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS213219US | SKALA SKALA NETWORKS LLC | — | 16 | 1 |
| AS40253US | ELYSIA-ROOT-LC - Elysia Root L.C. | — | 3 | 3 |
| AS400362US | HYDRA-HOST - Hydra Host, Inc. | — | 1 | 1 |
| AS33727US | SUMOFIBER-BOZEMAN - Sumofiber | — | 65.5K | 1 |
| AS51856US | SRSP-4-51856 - Aubrey Rose | — | 16 | 1 |
| AS395649US | SCHWARTZNET-B - Schwartz Networks Limited Liability Company | — | 1 | 1 |
| AS398394US | DF-HADDEN - DF Supply, Inc. | — | 1 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS399624US | LECTRON - Lectron | — | 256 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 55 | 10 |
| AS396968US | IMPUT - imput | — | 4 | 4 |
| AS395893US | VCT-TECHNOLOGIES-LLC - VCT Holdings LLC | — | 1 | 1 |
| AS401574US | WIFIRESAS01 - Wifires Communications, LLC | — | 81.9K | 2 |
| AS395887US | RYAMER-ENTERPRISE - Ryamer, LLC | — | 256 | 1 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 23 | 8 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS575US | DNIC-AS-00575 - Headquarters, USAISC | — | 256 | 1 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS63232US | EDL-MANAGER - EDL Manager, LLC | — | 1 | 1 |
| AS401389US | OWO-AS - OwO Network, LLC | — | 1 | 1 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 6 | 6 |
| AS55223US | BGP-NETWORKS-LLC - BGP Networks LLC | — | 3 | 3 |
| AS396015US | CRESTLINE-NETWORKS - Crestline Networks | — | 2 | 2 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS396075US | TURN-AND-BURN-METALWORKS-LLC - Turn and Burn Metalworks, LLC | — | 18 | 3 |
| AS213073US | BYTESIZE Bytesize Internet LLC | — | 1 | 1 |
| AS401898US | BLUE-STASIS - Blue Stasis Technology LLC | — | 1 | 1 |
| AS397203US | VRSN-AC28 - VeriSign Global Registry Services | — | 1 | 1 |
| AS207556US | SERVERFORGE - ServerForge LLC | — | 64 | 1 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 21 | 5 |
| AS400148US | BULK-SOLUTIONS-01 - Bulk Solutions, LLC | — | 256 | 1 |
| AS1001US | ACI - Academy City Internet LLC | — | 1 | 1 |
| AS401106US | TECHIES365 - Techies365 | — | 2 | 2 |