Loading…
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 |
| DNIC-ASBLK-00616-00665 - United States Department of Defense (DoD) |
| 1M |
| — |
| 542 |
| AS18676US | AVAYA - Avaya LLC | 1M | — | 55 |
| AS600US | OARNET-AS - OARnet | 988.4K | 131.1K | 84 |
| AS20055US | AS-WHOLESAIL - Wholesail networks LLC | 973.8K | 18M | 67 |
| AS87US | INDIANA-AS - Indiana University | 966.9K | 17 | 18 |
| AS11686US | ZAYO-ENA-11686 - Zayo Bandwidth | 965.4K | 66.8K | 270 |
| AS21859US | ZEN-ECN - Zenlayer Inc | 950.3K | 6M | 1,867 |
| AS22616US | ZSCALER-SJC1 - ZSCALER, INC. | 940K | 10K | 626 |
| AS11232US | MIDCO-NET - Midcontinent Communications | 937.5K | 2.3M | 98 |
| AS158US | ERI-AS - Ericsson Inc. | 921.1K | 66.3K | 81 |
| AS8103US | STATE-OF-FLA - Florida Department of Management Services - Division of Telecommunications | 893.2K | 22 | 820 |
| AS14340US | SALESFORCE - Salesforce.com, Inc. | 876.5K | 196.6K | 40 |
| AS1906US | NORTHROP-GRUMMAN - Northrop Grumman | 875.3K | — | 75 |
| AS13977US | CTELCO - Fidium | 867.1K | 75.8K | 803 |
| AS367US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 866.6K | 6 | 332 |
| AS46606US | UNIFIEDLAYER-AS-1 - Unified Layer | 855.8K | — | 294 |
| AS33588US | BRESNAN-33588 - Charter Communications LLC | 842K | 594.2K | 52 |
| AS13649US | ASN-FLEXENTIAL - Flexential Colorado Corp. | 831.5K | 794.6K | 593 |
| AS36375US | UMICH-AS-5 - University of Michigan | 826.5K | 65.5K | 21 |
| AS2572US | MORENET - University of Missouri - dba the Missouri Research and Education Network (MOREnet) | 825.1K | 90.1K | 49 |
| AS46375US | AS-SONICTELECOM - Sonic Telecom LLC | 821K | 1.1M | 170 |
| AS33070US | RMH-14 - Rackspace Hosting | 805.6K | 65.5K | 104 |
| AS231US | MISU-231 - Michigan State University | 789.5K | 65.5K | 9 |
| AS3136US | STATE-OF-WISCONSIN-AS1 - State of WI Dept. of Administration | 786.2K | 65.5K | 40 |
| AS2687US | ATGS-MMD-AS - AT&T Enterprises, LLC | 781.3K | 65.5K | 180 |
| AS243US | HARRIS-ATD-AS - L3Harris Technologies, Inc. | 779K | — | 129 |
| AS14265US | US-TELEPACIFIC - TPx Communications | 772.4K | 151.6K | 365 |
| AS14638US | LCPRL - Liberty Communications of Puerto Rico LLC | 771.6K | 258.2K | 627 |
| AS18747US | IFX18747 - IFX Corporation | 721.7K | 467.1K | 562 |
| AS23089US | HOTWIRE-COMMUNICATIONS - Hotwire Communications | 718.3K | 10.5K | 626 |
| AS703US | UUNET - Verizon Business | 715.8K | 1.2M | 50 |
| AS14962US | NCR-252 - NCR Voyix Corporation | 705.8K | — | 51 |
| AS3737US | AS-PTD - PenTeleData Inc. | 700.9K | 65.5K | 28 |
| AS10430US | WA-K20 - Washington State K-20 Telecommunications Network | 697.1K | 65.5K | 96 |
| AS2379US | CENTURYLINK-LEGACY-EMBARQ-WNPK - CenturyLink Communications, LLC | 689.4K | — | 106 |
| AS8011US | MONGO-8011 - MongoDB, Inc. | 679.9K | — | 47 |
| AS395139US | NYP-INTERNET - NewYork-Presbyterian Hospital | 672.8K | — | 31 |
| AS31822US | CITY-UNIVERSITY-OF-NEW-YORK - City University of New York | 659.7K | — | 12 |
| AS4193US | WA-STATE-GOV - State of Washington | 656.9K | 16.8M | 33 |
| AS3128US | BRUWS-AS3128 - University of Wisconsin System | 656.6K | 1M | 13 |
| AS40065US | CNSERVERS - CNSERVERS LLC | 654.8K | — | 511 |
| AS54600US | PEG-SV - PEG TECH INC | 653.1K | 2 | 613 |
| AS54113US | FASTLY - Fastly, Inc. | 652.8K | 189K | 1,798 |
| AS395954US | LEASEWEB-USA-LAX - Leaseweb USA, Inc. | 642.8K | 589.8K | 199 |
| AS10361US | BLOOMBERG-NET - Bloomberg, LP | 623.1K | — | 124 |
| AS3598US | MICROSOFT-CORP-AS - Microsoft Corporation | 609.8K | 196.6K | 23 |
| AS14977US | STATE-OF-WYOMING-ASN - State of Wyoming Department A&I | 595.2K | 256 | 16 |