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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,254 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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 |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,726 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,965 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,346 |
| — |
| — |
| 0 |
| AS399706US | ASMOKC - SMG Holdings, LLC | — | — | 0 |
| AS399730US | BJN-SAC - Verizon Business | — | — | 0 |
| AS399731US | BJN-TWN - Verizon Business | — | — | 0 |
| AS399771US | LANE-FI-01 - LANE FI, INC. | — | — | 0 |
| AS399800US | HTC1 - NEW KNOXVILLE TELEPHONE COMPANY | — | — | 0 |
| AS399971US | BLUBROADAND-ISP - BluBroadband ISP | — | — | 0 |
| AS400149US | LANDER-COUNTY-NV - Lander County, Nevada | — | — | 0 |
| AS400171US | AS-AINFO - Alpha InfoLab Inc | — | — | 0 |
| AS400243US | ANTHROPIC-2 - Anthropic, PBC | — | — | 0 |
| AS400399US | AS-PRMYDGTL - Primary Digital LLC | — | — | 0 |
| AS400428US | SARDISTEL-01 - Sardis Telecom | — | — | 0 |
| AS400462US | ZEROTIER - ZeroTier, Inc. | — | — | 0 |
| AS400579US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS400599US | FRANTIC-LINK - Frantic Holdings LLC | — | — | 0 |
| AS400623US | EINSTEINMED2 - Albert Einstein College Of Medicine | — | — | 0 |
| AS400660US | COWLITZ - Cowlitz 911 Public Authority | — | — | 0 |
| AS400691US | TWCCH-NET - The Wright Center | — | — | 0 |
| AS400747US | GO-DADDY-COM-LLC - GoDaddy.com, LLC | — | — | 0 |
| AS400762US | HRL-US-03 - HRL Laboratories, LLC | — | — | 0 |
| AS400819US | ANDELYN-BIOSCIENCES-02 - Andelyn Biosciences, Inc. | — | — | 0 |
| AS400821US | HCDL-CLEVELAND-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS400847US | SMARTCOS-ASN-01 - Smart Solutions | — | — | 0 |
| AS400880US | VMW-NASA-IPV6 - Avago Technologies U.S. Inc. | — | — | 0 |
| AS400936US | AS-BLUEFURWEST - BlueFur | — | — | 0 |
| AS401039US | STARLIGHTFIBER-TX - Starlight Fiber Ltd | — | — | 0 |
| AS401079US | ARONT-BSD-01 - AronTel Inc | — | — | 0 |
| AS401080US | AS-PXHL - QuickMeg Inc | — | — | 0 |
| AS401109US | ZHONGGUANCUN-CO - Zhongguancun LLC | — | — | 0 |
| AS401128US | TP - TechPioneers LLC | — | — | 0 |
| AS401144US | AES-CAPAC - Axiom Engineered Systems LLC. | — | — | 0 |
| AS401180US | PENDER-COUNTY-ASN - Pender County Government | — | — | 0 |
| AS401247US | SHARON-AI - SharonAi | — | — | 0 |
| AS401379US | BLUEBONNET-FIBER - Bluebonnet Fiber | — | — | 0 |
| AS401512US | OMEG-ECN - OMEGAI | — | — | 0 |
| AS401513US | ZINTER-NET-AS - ZINTER SOLUTION LLC | — | — | 0 |
| AS401599US | HAROONNET - Haroon Net, LLC | — | — | 0 |
| AS401633US | AS-PHOENIXNAP-RDU0 - PhoenixNAP LLC | — | — | 0 |
| AS401653US | AS15830 - E2open LLC | — | — | 0 |
| AS401677US | BFMAIL-01 - BigfootMail | — | — | 0 |
| AS401680US | TUSKEG - Tuskegee University | — | — | 0 |
| AS401690US | TEAM-CYMRU-2 - Team Cymru Inc. | — | — | 0 |
| AS401709US | EVERYONE-BANDWIDTH-IN - Abc-Hosters LLC | — | — | 0 |
| AS401793US | NMIE-PUB - NMIX | — | — | 0 |
| AS401799US | MARISTCHI-ASN-01 - Marist High School | — | — | 0 |
| AS401856US | METAMERG-NET - Metamerg Network LLC | — | — | 0 |
| AS401901US | AMITIUM-AS-01 - Amitium | — | — | 0 |