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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.1M | 24,718 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,307 |
| 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.
32,222 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,893 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 997 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,395 |
| — |
| — |
| 0 |
| AS397240US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS397257US | CLOUD9-VOIPNETWORKS-01 - VoIP Networks | — | — | 0 |
| AS397265US | DIGITALWORX - Digital Worx, Inc | — | — | 0 |
| AS397267US | MURATA-MEHQ - Murata Electronics North America, Inc. | — | — | 0 |
| AS397525US | ALPHAONE-AS - Alpha1Servers, LLC | — | — | 0 |
| AS397541US | FINRA-CAT - FINRA | — | — | 0 |
| AS397564US | CVWD - Cucamonga Valley Water District | — | — | 0 |
| AS397615US | RTVI - RTVI | — | — | 0 |
| AS397699US | TPCASN - TPC GROUP LLC | — | — | 0 |
| AS397758US | DATAROBOT-01 - DataRobot, Inc. | — | — | 0 |
| AS397785US | TISTLASN01 - Tortoise Capital Advisors, L.L.C. | — | — | 0 |
| AS397798US | MSGTEL - MSG Tel, Inc. | — | — | 0 |
| AS397852US | PRIVATELINE-SWITCH-01 - Private Line, LLC | — | — | 0 |
| AS397907US | 865 - AEG | — | — | 0 |
| AS397950US | TRIN-01 - WiseTech Global | — | — | 0 |
| AS398046US | ZIMMERBIOMET-INET - Zimmer Biomet Holdings Inc | — | — | 0 |
| AS398253US | KYOYA-HNLWS-MEZZANINE-01 - Sheraton Waikiki Beach Resort | — | — | 0 |
| AS398315US | AS-SSS - Selective Service System | — | — | 0 |
| AS398353US | USCIS-ASN-01 - USCIS | — | — | 0 |
| AS398507US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398510US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398514US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398515US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398526US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398534US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS398591US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398595US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398605US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398619US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398650US | AMEX-PART-ASH - American Express Company | — | — | 0 |
| AS398661US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS398796US | ABTEX-01 - ABTEX LLC | — | — | 0 |
| AS398811US | EQUINIX-EC-BO - Equinix, Inc. | — | — | 0 |
| AS399164US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399236US | HYPER - Hypercom | — | — | 0 |
| AS399245US | GRAND-TRAVERSE-COUNTY - Grand Traverse County | — | — | 0 |
| AS399316US | SUNRISEFL-ASN-101 - City of Sunrise | — | — | 0 |
| AS399418US | BLUESKYNETWORK1 - Blue Sky Network, LLC | — | — | 0 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS399528US | PECHANGA-RESORT-CASINO - Pechanga Resort & Casino | — | — | 0 |
| AS399534US | CREATIVEWIRELESS-01 - Creative Wireless Technology Solutions, Inc. | — | — | 0 |
| AS399583US | OPM-AZURE - Office of Personnel Management | — | — | 0 |
| AS399657US | PASADENA-CITY-COLLEGE - Pasadena City College | — | — | 0 |
| AS399711US | SPLISHCO - Splish Co., LLC | — | — | 0 |
| AS399764US | PAN-22-AWS - Palo | — | — | 0 |
| AS399822US | FARWEST-STEEL-CORP - Farwest Steel Corporation | — | — | 0 |