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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 | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| — |
| — |
| 0 |
| AS54154US | GIGSTREEM-FIBERSPHERE - GiGstreem | — | — | 0 |
| AS54193US | BLENDNETWORKS - blendlabs | — | — | 0 |
| AS54213US | RAILCOMM-DC - RailComm, LLC | — | — | 0 |
| AS54265US | SCALEWAY - SCALEWAY US CORPORATION | — | — | 0 |
| AS54275US | NETRIX-54275 - Cyber Development Group International, LLC | — | — | 0 |
| AS54358US | CRG-ASN - Cheyenne Radiology Group, P.C | — | — | 0 |
| AS54398US | MARINE-TECHNOLOGIES - Marine Technologies LLC. | — | — | 0 |
| AS54511US | EVERSHEDS-SUTHERLAND-US-LLP - Eversheds Sutherland (US) LLP | — | — | 0 |
| AS54551US | FIRST-NET-IMPRESSIONS - First Net Impressions | — | — | 0 |
| AS54598US | UPLOL - UPLOL Inc | — | — | 0 |
| AS54715US | AS-ASN-5 - Nasdaq, Inc. | — | — | 0 |
| AS54742US | BGC-ASN-01 - Boyd Gaming Corporation | — | — | 0 |
| AS54870US | SESCO-ASN - SESCO Enterprises LLC | — | — | 0 |
| AS55020US | MATICVENTURES - MaticVentures | — | — | 0 |
| AS55060US | AZT-77 - Arizona Tile, LLC | — | — | 0 |
| AS55158US | RIVEN - Riven | — | — | 0 |
| AS55180US | AS-CUBA - CUBA CITY TELEPHONE EXCHANGE COMPANY | — | — | 0 |
| AS55276US | ADTEL-01 - Adtelligent Inc. | — | — | 0 |
| AS61961US | NELLICUS - NELLICUS, LLC | — | — | 0 |
| AS62480US | MODSPACE - Willscot | — | — | 0 |
| AS62555US | LHO-NETWORK - LIGO Livingston Observatory | — | — | 0 |
| AS62601US | XPERTTECH - Xpert Technologies, Inc. | — | — | 0 |
| AS62674US | LONSDALE-AS2 - Bevcomm | — | — | 0 |
| AS62729US | ASMALLORANGE1 - A Small Orange LLC | — | — | 0 |
| AS62745US | D2L-001 - Data2Logistics, LLC | — | — | 0 |
| AS62823US | CHOICEPR-1 - Liberty Communications of Puerto Rico LLC | — | — | 0 |
| AS62897US | APPDYNAMICS - AppDynamics | — | — | 0 |
| AS62903US | MARTINBROS - Martin Brothers Distributing Co. Inc. | — | — | 0 |
| AS62941US | VARIANCEM-AS - VarianceM | — | — | 0 |
| AS62963US | FEMBOY-NA - Kersip Operations LLC | — | — | 0 |
| AS63040US | HOSTZORS - Hostzors Inc. | — | — | 0 |
| AS63096US | CISCO-CAAS-USA - Cisco Systems, Inc. | — | — | 0 |
| AS63337US | ASNUTL - Univation Technologies LLC | — | — | 0 |
| AS63388US | WYOMING-HYPERSCALE-01 - Prometheus Hyperscale | — | — | 0 |
| AS63390US | NOPKT - NoPKT LLC | — | — | 0 |
| AS63426US | MM-CORP-ASN - Money Mailer LLC | — | — | 0 |
| AS64214US | MEGAPORTUSAINC-ORDIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64217US | LTD BROADBAND - LTD Broadband LLC | — | — | 0 |
| AS64220US | MEGAPORTUSAINC-LAXIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS64240US | GOODLEAF-HOSTING - GoodLeaf Hosting & Development LLC | — | — | 0 |
| AS132134US | SPOTX-AS-AP - SpotXchange, Inc | — | — | 0 |
| AS132624US | NNC-AS-AP - NexGen Networks Corporation | — | — | 0 |
| AS199721US | FREESUPERPLANET YUGS Networks LTD | — | — | 0 |
| AS204617US | ASN-XIPE1 Joel Pinnow | — | — | 0 |
| AS210762US | FROOT_TGD1 Internet Systems Consortium Inc. | — | — | 0 |
| AS211818US | DDC-LND DDCatch Inc. | — | — | 0 |