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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 | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| 0 |
| AS15023US | LOTUS-CANTON - Lotus International Company | — | — | 0 |
| AS15060US | XO-ASN7 - Verizon Business | — | — | 0 |
| AS15254US | TIHC-DC1 - TI Intermediate Holdings, LLC | — | — | 0 |
| AS15291US | POLAROID - Polaroid Corporation | — | — | 0 |
| AS15316US | IVANET-VANCOUVER - IBASIS INC. | — | — | 0 |
| AS16425US | SOVER2-ASN - FirstLight Fiber, Inc. | — | — | 0 |
| AS16467US | GEOLINKS-AS - GeoLinks | — | — | 0 |
| AS16495US | CABLEAM-AZ-AS - CableAmerica | — | — | 0 |
| AS16518US | LUNAVI-DAL - Lunavi, Inc. | — | — | 0 |
| AS16646US | BI-LO-AS - BI-LO LLC | — | — | 0 |
| AS16682US | HAGGAR - Haggar Clothing Co. | — | — | 0 |
| AS16704US | ITP01 - ITP | — | — | 0 |
| AS16773US | BFG - Big Fish Games, Inc. | — | — | 0 |
| AS16836US | UDATA - Watch Communications | — | — | 0 |
| AS16950US | SECURITYARSENAL-01 - Security Arsenal | — | — | 0 |
| AS16977US | DODSONGROUP - Axia Technology Partners, LLC | — | — | 0 |
| AS17061US | ROYALEENERGY - Royale Energy Inc | — | — | 0 |
| AS17112US | BBDO-NY - BBDO New York | — | — | 0 |
| AS17155US | LYDALL - Lydall, Inc. | — | — | 0 |
| AS17165US | THE-PALEY-CENTER-FOR-MEDIA - The Paley Center for Media | — | — | 0 |
| AS17226US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17229US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS17265US | GGC-6 - Axiall Corporation | — | — | 0 |
| AS17288US | KANAKUKMINISTRIES - Kanakuk Ministries | — | — | 0 |
| AS17360US | ASN-BIX - Markley Boston LLC | — | — | 0 |
| AS17395US | MSJ-ASN-1 - Mount St. Joseph University | — | — | 0 |
| AS18441US | IP-NETWORKED-SERVICES - IP Networked Services Inc. | — | — | 0 |
| AS18487US | VTLA - NTT Global Networks Incorporated | — | — | 0 |
| AS18548US | MYCELIA-ASN-01 - Mycelia Foundation | — | — | 0 |
| AS18574US | SILVACO - Silvaco Inc. | — | — | 0 |
| AS18618US | WCENTRALN - west central wireless | — | — | 0 |
| AS18699US | JAGUAR-2 - Jaguar Communications | — | — | 0 |
| AS18716US | AUTODESK-SAAS-OPERATIONS - Autodesk, Inc. | — | — | 0 |
| AS18764US | PHJW-LLP - Paul, Hastings, Janofsky & Walker LLP | — | — | 0 |
| AS18811US | MENTOS-INTERNET-SERVICE - MENTOS COUPLE, INC. | — | — | 0 |
| AS18835US | FIDUCIAL - Fiducial Inc. | — | — | 0 |
| AS18847US | RANDOLPH-ISP - Randolph County Government of NC | — | — | 0 |
| AS18925US | AS59010 - TMP Direct | — | — | 0 |
| AS19040US | FIRSTMERIT - Huntington Bancshares Inc. | — | — | 0 |
| AS19049US | FTD-2 - FTD, LLC | — | — | 0 |
| AS19206US | COA-AS-01 - CITY OF ALLEN | — | — | 0 |
| AS19248US | ACSC1000 - Automobile Club of Southern California | — | — | 0 |
| AS19289US | SUNGARDAS-19289 - BroadbandONE, LLC | — | — | 0 |
| AS19308US | CST-CORPORATE - Superion, LLC | — | — | 0 |
| AS19365US | NETWURX-01 - Netwurx LLC | — | — | 0 |
| AS19378US | ADEA-AS - AMERICAN DENTAL EDUCATION ASSOCIATION | — | — | 0 |