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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. | 218M | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS398650US | AMEX-PART-ASH - American Express Company | — | — | 0 |
| AS397950US | TRIN-01 - WiseTech Global | — | — | 0 |
| AS397798US | MSGTEL - MSG Tel, Inc. | — | — | 0 |
| AS398515US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398526US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS401862US | CWTEL - Chazy and Westport Communications | — | — | 0 |
| AS399236US | HYPER - Hypercom | — | — | 0 |
| AS401300US | PUBLIC-ASN-REQUEST - Summit Securities Group LLC | — | — | 0 |
| AS401286US | POWEREDGE-PROVIDER - PowerEdge Network, LLC | — | — | 0 |
| AS399934US | ICFN - Innercity Fibernet | — | — | 0 |
| AS401129US | GCGL-15-BLOCK-2024 - Grant Consulting Group LLC | — | — | 0 |
| AS400714US | ABH-AS - AB Handshake Corporation | — | — | 0 |
| AS400763US | AMS-AUX-AUSTIN - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS6230US | GANET - Global Access Network | — | — | 0 |
| AS63259US | WCAPITAL - W Capital Management, LLC | — | — | 0 |
| AS141021US | GEEDGENET-AS-AP - GeedgeNet | — | — | 0 |
| AS64268US | PEOPLENETCOMMUNICATIONS - PeopleNet Communications Corp | — | — | 0 |
| AS149302US | EAAPPL-AS-AP - Electronic Arts Inc. | — | — | 0 |
| AS5675US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS4068US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS5634US | MILESTONE - Milestone Research and Development Labs Inc. | — | — | 0 |
| AS6234US | ETAK-NET2 - Etak, Inc. | — | — | 0 |
| AS63161US | SWAROVSKI-NA - SWAROVSKI NORTH AMERICA LIMITED | — | — | 0 |
| AS5912US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5985US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5872US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS4394US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS4924US | NIIA-NET - Northern Indiana Internet Access, Inc. | — | — | 0 |
| AS4446US | INFINET-ASN - Infinet Technologies and Services | — | — | 0 |
| AS4332US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS14281US | NQ-ICT-ALB - Next Quest 2000 LLC | — | — | 0 |
| AS57257US | ZORINS-AS Zorins LLC | — | — | 0 |
| AS63444US | AS-SMARTERTRAVEL - TripAdvisor LLC | — | — | 0 |
| AS62793US | SEC - SOUTHSIDE ELECTRIC COOPERATIVE | — | — | 0 |
| AS62849US | EMOUSA - Emo-Trans, Inc. | — | — | 0 |
| AS394585US | MITE-AS - MITE Corporation | — | — | 0 |
| AS63098US | FDE-3 - FOX CORPORATION | — | — | 0 |
| AS394190US | CENTURYLINK-LEGACY-QWEST-WIRELESS-BACKUP - CenturyLink Communications, LLC | — | — | 0 |
| AS394068US | NAVEX-GLOBAL-INC - NAVEX Global, inc | — | — | 0 |
| AS393728US | WSMEDIA - World Streamedia Inc. | — | — | 0 |
| AS63110US | ZUORA-CORP-USWEST - Zuora, Inc | — | — | 0 |
| AS393718US | ABILITY-ASN - Ability Network Inc. | — | — | 0 |
| AS393224US | INVALID-NETWORK-H - Invalid Network | — | — | 0 |
| AS393588US | AS393588 - 617A Corporation | — | — | 0 |
| AS393480US | KALTURA - Kaltura Inc | — | — | 0 |
| AS47006US | NETRIX - Netrix LLC | — | — | 0 |