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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| PTN-AS1 - Plant TiftNet, Inc |
| 19.7K |
| 65.5K |
| 62 |
| AS1699US | ANS-1699-AS - Verizon Business | 19.7K | — | 43 |
| AS29744US | UTMA - United Telephone Mutual Aid Corporation | 19.7K | 65.5K | 33 |
| AS11597US | MW-KANSAS - Mercury Broadband | 19.7K | 86K | 43 |
| AS398090US | LAMBDA - Lambda | 19.7K | 196.6K | 38 |
| AS5662US | WBD-AS5662 - Turner Broadcasting System, Inc. | 19.7K | 3 | 21 |
| AS16557US | COLOSOLUTIONS - Colo Solutions | 19.7K | 65.5K | 31 |
| AS399559US | ALPINE-PUBLIC-ASN - Alpine Communications L.C. | 19.7K | — | 40 |
| AS14495US | ASN-14495 - Nasdaq, Inc. | 19.7K | — | 33 |
| AS22006US | PRONSS-PULKCO-AS - PRONSS | 19.5K | — | 41 |
| AS14792US | DST-ASN - DST Systems, Inc. | 19.5K | — | 44 |
| AS32212US | HSB-EDGE - Sky Fiber Internet | 19.5K | — | 41 |
| AS33470US | CANBYTELEPHONEASSOCIATION - Canby Telephone Association | 19.5K | 65.5K | 7 |
| AS14437US | FLEMING - C&S WHOLESALE GROCERS INC. | 19.5K | — | 13 |
| AS204765US | PG8GLOBAL PG8 Global LLC | 19.5K | — | 28 |
| AS396402US | MULTICARE-HEALTH-SYSTEM - MultiCare Health System | 19.5K | — | 6 |
| AS40128US | MUSFIBERNET - Morristown Utility Systems | 19.5K | — | 8 |
| AS636US | DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) | 19.5K | — | 24 |
| AS23305US | WORTHINGTONINDUSTRIES - Worthington Enterprises, Inc. | 19.5K | — | 13 |
| AS20303US | BAM - BAM Broadband Opco, LLC | 19.5K | 768 | 23 |
| AS401415US | ALLIANCECOM-NET - Alliance Communications | 19.5K | — | 22 |
| AS40926US | SURFAIRWIRELESS-IL-01 - Surf Air Wireless, LLC | 19.2K | — | 11 |
| AS55232US | MX-HOSTED - Zultys, Inc. | 19.2K | — | 49 |
| AS32083US | OMNISPRING - Omnispring, LLC | 19.2K | — | 39 |
| AS63360US | AS-PERTINO - Cradlepoint, Inc. | 19.2K | — | 38 |
| AS2727US | GEPB2009 - Electric Plant Board of the City of Glasgow, Kentucky | 19.2K | — | 22 |
| AS394547US | BART-OCIO - San Francisco Bay Area Rapid Transit District | 19.2K | — | 12 |
| AS32899US | BRESCOBROADBAND - Bresco Broadband | 19.2K | 69.6K | 34 |
| AS393892US | MCTC1 - Mid Century Communications | 19.2K | — | 8 |
| AS14315US | 1GSERVERS - 1GSERVERS, LLC | 19.2K | 655.4K | 69 |
| AS922US | GOCODEIT-CORP - GoCodeIT Inc | 19.2K | 42 | 63 |
| AS20448US | SCIPIO-TECH-20448 - Peace Communications LLC | 19.2K | 65.5K | 11 |
| AS27202US | CBK-AS - City of Bardstown, Kentucky | 19.2K | — | 18 |
| AS397644US | UNIVERSITY-OF-MARY-WASHINGTON - University of Mary Washington | 18.9K | — | 11 |
| AS395876US | HUXCOMM-01 - Huxley Communications Cooperative | 18.9K | 65.5K | 41 |
| AS14200US | MARSHALLUNIV - Marshall University | 18.9K | 1 | 5 |
| AS30012US | ASN-UNIVERSAL-MUSIC-GROUP-INC - Universal Music Group, INC. | 18.9K | — | 57 |
| AS11740US | PROGRESSIVE-AS - Progressive Casualty Insurance Company | 18.9K | — | 12 |
| AS22079US | APTNET-AS-01 - Alaska Power & Telephone Company | 18.9K | 65.5K | 24 |
| AS11402US | CCCAS-1 - Charlotte Colocation Center, LLc | 18.9K | — | 30 |
| AS6040US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 18.9K | — | 55 |
| AS19218US | MTE-ASN - Midvale Telephone Exchange, Incorporated | 18.9K | 8.7K | 49 |
| AS30666US | XCHANGETELECOMCORP - Xchange Telecom Corp. | 18.9K | 65.5K | 13 |
| AS11240US | ATC-BROADBAND - AccessATC | 18.7K | 65.5K | 22 |
| AS25712US | CSIPADKY - Computer Services Inc | 18.7K | — | 13 |
| AS397849US | ZOHO-STREAMING-CONTENT-NETWORK - ZOHO | 18.7K | 4 | 21 |
| AS397361US | POKA-ISP - Poka Lambro Telephone Cooperative, Inc. | 18.7K | 65.5K | 17 |