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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. | 211.1M | 21,094 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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 | 3,709 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,423 |
| — |
| — |
| 0 |
| AS46304US | LUXBRIDGE - Luxbridge LLC | — | — | 0 |
| AS46315US | BLOSSOM-TX - Blossom Telephone Company | — | — | 0 |
| AS46419US | BAKER-CADILLAC - Baker College | — | — | 0 |
| AS46462US | KELE-AS - Kele, Inc | — | — | 0 |
| AS46521US | NAVASOLUTIONS-01 - Nava Solutions LLC | — | — | 0 |
| AS46527US | DVRE - DEER VALLEY RANCH EAST, LLC | — | — | 0 |
| AS46579US | ORN-01 - ORION GROUP HOLDINGS, INC. | — | — | 0 |
| AS46604US | INTERLINE-BRANDS-ATL - Interline Brands, Inc. | — | — | 0 |
| AS46709US | RCH-STS - Air Medical Group Holdings | — | — | 0 |
| AS46710US | RADICAL-DESERT-LLC-1 - Radical Desert Network, LLC | — | — | 0 |
| AS46717US | CLOUD-SYNCINC-3 - Cloud Sync Inc | — | — | 0 |
| AS46736US | RCTV - Real Choice TV | — | — | 0 |
| AS46758US | TELETRACKING-TECHNOLOGIES - TeleTracking Technologies, Inc. | — | — | 0 |
| AS46951US | HERODIGI - Hero Digital Technology LLC | — | — | 0 |
| AS46975US | BIGTIP - BigTip, Inc. | — | — | 0 |
| AS47011US | CBN-GENEVA - CBN | — | — | 0 |
| AS47077US | UCFS-WLK - United Consumer Financial Services | — | — | 0 |
| AS47885US | PANDA-AS Panda Network,Inc | — | — | 0 |
| AS49132US | AARONRUSSELL Aaron Russell | — | — | 0 |
| AS53258US | VL-NY-AS - Cisco Webex LLC | — | — | 0 |
| AS53346US | ONE-WORLD-AS - Contact Consumers | — | — | 0 |
| AS53402US | DSCLOGISTICS - DSC Logistics, Inc. | — | — | 0 |
| AS53556US | RBSLYNK-AS4 - Fidelity National Information Services, Inc. | — | — | 0 |
| AS53565US | HOYOSEVENTS-53565 - Hoyos Event Networks LLC | — | — | 0 |
| AS53786US | KYNDRYL-LSIS-INFRASTRUCTURE - Kyndryl | — | — | 0 |
| AS53821US | JPMORGAN-CPS-TAM-DTINET - JPMorgan Chase & Co. | — | — | 0 |
| AS53847US | CEDEXIS - Cedexis Inc | — | — | 0 |
| AS53867US | MILFORD - SYNERGY BROADBAND | — | — | 0 |
| AS53920US | WAB1 - Word and Brown Insurance Administrators, Inc | — | — | 0 |
| AS53936US | EDENRED-USA - WiredCommute LLC | — | — | 0 |
| AS53953US | PROD-MAIN-DR - Morgan Stanley | — | — | 0 |
| AS54008US | PBX-ATLANTA - PBXIO LLC | — | — | 0 |
| AS54010US | ASN-SIML - SRS Investment Management, LLC | — | — | 0 |
| AS54100US | JLPC - jackson lewis p.c. | — | — | 0 |
| AS54126US | RNSI-2700 - RNSI | — | — | 0 |
| AS54127US | BRICKSTORES - InScribe | — | — | 0 |
| AS54186US | WFGBHM-01 - Wood-Fruitticher Grocery Company, Inc. | — | — | 0 |
| AS54346US | INFO-POWER-INTL - Info-Power International, Inc. | — | — | 0 |
| AS54386US | DECIX-PHX-MAPS - DE-CIX North America Inc. | — | — | 0 |
| AS54563US | CORVISA - Mitel Networks, Inc. | — | — | 0 |
| AS54618US | SLICKDEALS - SlickDeals | — | — | 0 |
| AS54622US | CONNECTRIA-ASN-3 - Connectria | — | — | 0 |
| AS54668US | MARCHEX-EAST - Marchex, Inc. | — | — | 0 |
| AS54729US | FSCAN-LLC - FSCAN LLC | — | — | 0 |
| AS54784US | DALGT - Gaylord Texan Resort & Convention Center | — | — | 0 |
| AS54789US | ZELIS - ZELIS HEALTHCARE CORPORATION | — | — | 0 |