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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| PETABIT-ARIN-1 - Petabit Scale, Inc. |
| — |
| — |
| 0 |
| AS393346US | NJ-COLL-INET - City National Bank | — | — | 0 |
| AS142282US | NICHONET-NG - Next Generation NICHONET Inter-Continental Hosting Operation Network | — | — | 0 |
| AS142576US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS46418US | BAKER-AUBURNHILLS - Baker College | — | — | 0 |
| AS198963US | LANGE-AS Colten Lange | — | — | 0 |
| AS40708US | ELAB-ASN - Sabre GLBL Inc. | — | — | 0 |
| AS40671US | BORN-CAPITAL-LLC - Born Capital LLC | — | — | 0 |
| AS54001US | SATELEPHONE - Highline Services, LLC | — | — | 0 |
| AS54540US | INCERO-HVVC - HIVELOCITY, Inc. | — | — | 0 |
| AS36713US | APS - The American Physical Society Incorporated | — | — | 0 |
| AS39994US | NBSVOICE32AOA01 - Fusion, LLC | — | — | 0 |
| AS40223US | LMSD-ORG - Lower Merion School District | — | — | 0 |
| AS40155US | AS40155 - Fin Topco (US), Inc. | — | — | 0 |
| AS53688US | LGLLP-AS - Lathrop & Gage LLP | — | — | 0 |
| AS7113US | NFIC-AS - New Frontiers Information Corp. | — | — | 0 |
| AS402808US | GAI-WINDSOR-AS01 - GlobalAI | — | — | 0 |
| AS6637US | INFOEX - Infoexchange/Sprint | — | — | 0 |
| AS402662US | SEERAPPSASN1 - SeerApps | — | — | 0 |
| AS6427US | HURRICANE-ELEC - Hurricane Electric LLC | — | — | 0 |
| AS6418US | SATELNET-AS - SatelNet Communications, Inc. | — | — | 0 |
| AS6314US | CDC-AS - Chattanooga Data Connection, Inc. | — | — | 0 |
| AS6388US | BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6076US | ERINET - CoreComm Internet Services Inc | — | — | 0 |
| AS6073US | ETI - KAPS, Inc | — | — | 0 |
| AS6347US | CENTURYLINK-LEGACY-DIAMOND - CenturyLink Communications, LLC | — | — | 0 |
| AS6552US | C2NET - Community ConneXion, Inc. | — | — | 0 |
| AS7912US | STATEFARMINSCO - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS7882US | SPRINT-HAWAII - Sprint Hawaii | — | — | 0 |
| AS6969US | N2K-ASN - N2K Inc. | — | — | 0 |
| AS7431US | EGIX-CHAMPAIGN-AS - Altafiber | — | — | 0 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS7208US | MEGANET - MegaNet | — | — | 0 |
| AS6997US | SILLS-AS - SILLS CUMMIS EPSTEIN & GROSS | — | — | 0 |
| AS4596US | MONGTOMERY - Bank of America, National Association | — | — | 0 |
| AS4587US | ONEWORLD2 - One World Internetworking, Inc | — | — | 0 |
| AS4394US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS4526US | ARMY-FMO - Dod Joint Spectrum Center | — | — | 0 |
| AS4067US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4070US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4233US | DWRSCADA - State of Caligornia | — | — | 0 |
| AS1592US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS5754US | PIXINET1 - Pacific Information Exchange, Inc. | — | — | 0 |
| AS5725US | XO - Verizon Business | — | — | 0 |
| AS5675US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS5701US | HEALTH-ONE - HealthOne | — | — | 0 |