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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 | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS5945US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5975US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5981US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5984US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5990US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5999US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6054US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6101US | TAC-NET - The Atlanta Connection | — | — | 0 |
| AS6117US | SJMERCURY - San Jose Mercury News | — | — | 0 |
| AS6179US | WESTWOOD - Westwood Studios | — | — | 0 |
| AS6197US | BATI-ATL - BellSouth Network Solutions, Inc | — | — | 0 |
| AS6214US | ANET-04 - Interactive Network Systems Inc. | — | — | 0 |
| AS6263US | NDIN - State of North Dakota, Information Technology Department | — | — | 0 |
| AS6320US | FUSEDNETWORKS-AS GTT Communications Inc. | — | — | 0 |
| AS6321US | EATEL - REV | — | — | 0 |
| AS6330US | WORLDWIDE-AS - Worldwide Communications | — | — | 0 |
| AS6355US | FRANK-RUSSELL-COMPANY - Russell Investments | — | — | 0 |
| AS6385US | BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6455US | TOMCO - Tomco Systems, Inc. | — | — | 0 |
| AS6476US | MIWORLD - Micro-Integration Corporation | — | — | 0 |
| AS6477US | DIRECTMEDIA-AS - Direct Media, Inc. | — | — | 0 |
| AS6489US | INOW-AS - Network Solutions, Inc. (INOW-DOM) | — | — | 0 |
| AS6577US | WEBEXTBD - Cisco Webex LLC | — | — | 0 |
| AS6594US | RISE-IDAHO - JAB Wireless, INC. | — | — | 0 |
| AS6610US | INTERSTATE - Interstate Networking Corporation | — | — | 0 |
| AS6613US | DIGITAL-MEDIA - Digital Media Group, Inc. | — | — | 0 |
| AS6960US | DTS-INTER-AMER - Diplomatic Telecommunications Services | — | — | 0 |
| AS6975US | LEX2 - Lexington County School District | — | — | 0 |
| AS7023US | NAN - INTERNEXUS, LLC | — | — | 0 |
| AS7037US | CENTURYLINK-LEGACY-TWTC-7037 - Level 3 Parent, LLC | — | — | 0 |
| AS7041US | DALCOMP - Dalcomp | — | — | 0 |
| AS7147US | NEWSALERT-NET - News Alert Inc. | — | — | 0 |
| AS7181US | AS-TIERP-7181 - TierPoint, LLC | — | — | 0 |
| AS7193US | VRIS-7193 - Verizon Business | — | — | 0 |
| AS7251US | THREATTRACK-SECURITY-INC - ThreatTrack Security | — | — | 0 |
| AS7292US | SBIS-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS7307US | HIPPO-7307 - Hippocampus OSD Inc. | — | — | 0 |
| AS7323US | ADVEST - Advest | — | — | 0 |
| AS7351US | BLARG - Isomedia, Inc. | — | — | 0 |
| AS7388US | DFXNET - Design FX Interactive LLC | — | — | 0 |
| AS7389US | NETDOX - NetDox, Inc. | — | — | 0 |
| AS7419US | MONMOUTH-AS - Monmouth University | — | — | 0 |
| AS7440US | TRIPOD - Tripod, Inc. | — | — | 0 |
| AS7452US | NEIS-NET - New England Internet Services | — | — | 0 |
| AS7463US | GOPROTO-AS - Proto Technologies | — | — | 0 |
| AS7724US | IECBAL - Internet Enterprise Center | — | — | 0 |