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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,245 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| — |
| 0 |
| AS46589US | KYN-GTS - Kyndryl | — | — | 0 |
| AS46645US | GROQ-PROD-5 - Groq, Inc. | — | — | 0 |
| AS46656US | MEETME-1 - MeetMe, Inc. | — | — | 0 |
| AS46661US | ILLUMINATEDHOSTING - Illuminated Hosting Service, LLC | — | — | 0 |
| AS46728US | HWCO - Howard, Wershbale & Co. | — | — | 0 |
| AS46781US | NTURNET - NTURNET TECHNOLOGY, LLC | — | — | 0 |
| AS46894US | GABBIT-WEST-LV - Gabbit, LLC | — | — | 0 |
| AS46907US | KICKB-1-46907 - Kickbox Inc | — | — | 0 |
| AS46942US | IHS-VWC - IHS Global, Inc. | — | — | 0 |
| AS46945US | NUSTAR-ENERGY - Energy Transfer LP | — | — | 0 |
| AS47006US | NETRIX - Netrix LLC | — | — | 0 |
| AS48337US | LINODE-AS Linode, LLC | — | — | 0 |
| AS50236US | Vertexlink_Communications VertexLink Inc. | — | — | 0 |
| AS50291US | BASED BNS Services LLC | — | — | 0 |
| AS53250US | ATLANTICBB-AIKEN - Breezeline | — | — | 0 |
| AS53253US | NINJA-MS-CACHE - Ninja-IX Corporation | — | — | 0 |
| AS53267US | BALTIMORE01 - Eisai Inc. | — | — | 0 |
| AS53269US | NMH - Northwestern Memorial Hospital | — | — | 0 |
| AS53290US | LAXBH-HSIA - The Beverly Hilton | — | — | 0 |
| AS53370US | DOTCOM-HOST - dotCOM host | — | — | 0 |
| AS53385US | SWITCHTHINK-SOLUTIONS - SwitchThink Solutions, LLC | — | — | 0 |
| AS53387US | MELI-ASN-1 - MercadoLibre Inc. | — | — | 0 |
| AS53392US | PROQUEST-AS - PROQUEST LLC | — | — | 0 |
| AS53395US | INDIAN-ELECTRIC-COOPERATIVE-01 - Indian Electric Cooperative, Inc. | — | — | 0 |
| AS53433US | YODLE-AS-1 - Web.com Group, Inc. | — | — | 0 |
| AS53608US | MCC-PTV - Metro Communications Company | — | — | 0 |
| AS53688US | LGLLP-AS - Lathrop & Gage LLP | — | — | 0 |
| AS53781US | HHE-ASN - MillerKnoll, Inc. | — | — | 0 |
| AS53817US | WOWACCESS - Blast Communications Inc. | — | — | 0 |
| AS53960US | MAZZ-AS - MAZZETTA COMPANY | — | — | 0 |
| AS53979US | BREVARD-COMMUNITY-COLLEGE - Eastern Florida State College | — | — | 0 |
| AS53990US | AS-IAASRUN-US - netsapiens | — | — | 0 |
| AS54001US | SATELEPHONE - Highline Services, LLC | — | — | 0 |
| AS54122US | TSRG - Taco Mac | — | — | 0 |
| AS54229US | AIRBNB - Airbnb, Inc. | — | — | 0 |
| AS54259US | AS54259 - SKILLSOFT CORPORATION | — | — | 0 |
| AS54318US | ONEGUARD-HOME-WARRANTIES - OneGuard Home Warranties | — | — | 0 |
| AS54458US | CENTRACOM-AF - American Fiber INC. | — | — | 0 |
| AS54498US | CATALYST-INC - Catalyst Inc. | — | — | 0 |
| AS54540US | INCERO-HVVC - HIVELOCITY, Inc. | — | — | 0 |
| AS54564US | GIIINYAS01 - G-III Apparel Group Ltd. | — | — | 0 |
| AS54601US | PROD3 - Stratos Global Services, LLC | — | — | 0 |
| AS54604US | DCN-IP01 - Dakota Cloud Networks, LLC | — | — | 0 |
| AS54615US | ACLENS-PROD - Arlington Contact Lens Service, Inc | — | — | 0 |
| AS54802US | MINT - Intuit Inc. | — | — | 0 |
| AS54805US | AVL-99-54805 - Files.com | — | — | 0 |