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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,681 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,370 |
| 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.
32,364 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 236 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,914 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,047 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,503 |
| — |
| — |
| 0 |
| AS53480US | VAULTASVA-ASN - Vaultas Alexandria, LLC | — | — | 0 |
| AS53481US | VISANET-6 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS53495US | SICOM-ASN - SICOM Systems, Inc | — | — | 0 |
| AS53582US | SOLFO - Solfo Inc. | — | — | 0 |
| AS53651US | WCCU-ASN-01 - WCCU Credit Union | — | — | 0 |
| AS53665US | BODIS-1 - Bodis, LLC | — | — | 0 |
| AS53683US | FQLA - FloQast, Inc | — | — | 0 |
| AS53690US | AVAILITY-1 - Availity | — | — | 0 |
| AS53705US | WFSCORP - World Fuel Services Corporation | — | — | 0 |
| AS53762US | TERACORP - Teratech Corporation | — | — | 0 |
| AS53885US | SPILLMAN - Spillman Technologies, Inc. | — | — | 0 |
| AS53892US | FCPS - Flagler County Public Schools | — | — | 0 |
| AS53916US | CAMPUSDOOR - Campus Door Holdings Inc. | — | — | 0 |
| AS53972US | WEPA-LLC - WEPA | — | — | 0 |
| AS54055US | RSNB-01 - RSNB Bank | — | — | 0 |
| AS54064US | STIG - STI Group | — | — | 0 |
| AS54080US | COX - CoxWireless | — | — | 0 |
| AS54083US | LIVESTREAM-USA-NYC-1 - Livestream LLC | — | — | 0 |
| AS54173US | ACCELAHOSTING-1 - Accela, Inc. | — | — | 0 |
| AS54195US | CMCVICTX - Citizens Medical Center | — | — | 0 |
| AS54217US | THOMASASN01 - Thomas Reprographics, Inc | — | — | 0 |
| AS54369US | VSD-KET - Victoria's Secret | — | — | 0 |
| AS54376US | LYNX-NETWORK-GROUP - Lynx Network Group, Inc. | — | — | 0 |
| AS54378US | SHYFTANALYTICSIPBLOCK - Medidata Solutions, Inc | — | — | 0 |
| AS54379US | RACOWIRELESSASN1 - KORE | — | — | 0 |
| AS54389US | METAFILEINFO - Metafile Information Systems, Inc | — | — | 0 |
| AS54541US | ONESUITE-1999 - ONESUITE CORPORATION | — | — | 0 |
| AS54574US | DMIT-EYEBALL - DMIT Cloud Services | — | — | 0 |
| AS54589US | SOROBAN-CAPITAL-PARTNERS-LLC - Soroban Capital Partners LLC | — | — | 0 |
| AS54590US | TCP - Tcpdump LLC | — | — | 0 |
| AS54592US | PHOENIXSOFT-AS - Phoenixsoft, Inc. | — | — | 0 |
| AS54597US | SERVERCHEAP - Cloudfanatic.NET | — | — | 0 |
| AS54703US | PHYSIO-INC - PHYSIO-CONTROL, INC. | — | — | 0 |
| AS54854US | BORDERBGPNETWORK - Blueport Commerce | — | — | 0 |
| AS54902US | GCEFALU - G. Cefalu & Bro., Inc. | — | — | 0 |
| AS54951US | HIBBETT - Hibbett Retail, Inc. | — | — | 0 |
| AS54965US | NYU-POLY - Polytechnic Institute of NYU | — | — | 0 |
| AS54974US | FOUNDATIONSOFTWARE - Foundation Software Inc | — | — | 0 |
| AS55027US | SPPS-ORG - Independent School District 625 | — | — | 0 |
| AS55035US | FISERV-PRECISION - Fiserv Solutions, LLC | — | — | 0 |
| AS55137US | IOSTUDIO - iostudio, LLC | — | — | 0 |
| AS55138US | PBXSYSTEMS - PBX Systems | — | — | 0 |
| AS55198US | TRUSTTEK1 - Trusted Technical Services, Inc. | — | — | 0 |
| AS62626US | EC-99-62626 - Tyler Vault | — | — | 0 |
| AS62858US | GCHAO01 - GCHAO LLC | — | — | 0 |
| AS62879US | MDDHOSTING - MDDHosting LLC | — | — | 0 |