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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 7.7K |
| 65.6K |
| 50 |
| AS20442US | YNHHSC - Yale-New Haven Health Services Corporation | 7.7K | — | 30 |
| AS32720US | CANON-ASN - Canon USA Inc. | 7.7K | — | 12 |
| AS400031US | GIGAPACKET - GigaPacket LLC | 7.7K | — | 18 |
| AS26703US | KALONA-TELCO-AS - Kalona Cooperative Telephone Company | 7.7K | — | 8 |
| AS25997US | OMMLA-1 - OMelveny & Myers LLP | 7.7K | — | 8 |
| AS204548US | CLOUDWEBMANAGE-IL-FR Kamatera Inc | 7.7K | 2 | 32 |
| AS14877US | FL-14877 - FirstLight Fiber, Inc. | 7.7K | 65.5K | 18 |
| AS25875US | VARIOUS - FriendFinder Networks Inc | 7.7K | 1 | 24 |
| AS23036US | NORTHWEST-MINNESOTA-SPECIAL-ACCESS-LLC - Northwest Minnesota Special Access, LLC | 7.7K | 4.1K | 11 |
| AS30282US | AS-INAPCDN-OCY - Unitas Global | 7.9K | 16.4K | 12 |
| AS16791US | DIGITAL-AGENT - Digital Agent | 7.9K | — | 28 |
| AS395366US | MCKINSEY-GLOBAL - McKinsey & Company, Inc. | 7.9K | — | 31 |
| AS46154US | FMTJESUP - Farmers Mutual Telephone Company | 7.9K | — | 6 |
| AS8161US | INSIGHT-AS - Insight Direct USA, Inc. | 7.9K | — | 16 |
| AS46616US | WESTI-INET-AS - Westinghouse Electric Company LLC | 7.9K | 1 | 10 |
| AS10689US | FVI-CHI - Fox Valley Internet | 7.9K | — | 31 |
| AS394384US | EDGE-BROADBAND - Edge Broadband | 7.9K | 69.6K | 11 |
| AS54304US | WCSD6 - Weld County School District Six | 7.9K | — | 5 |
| AS33167US | SWOCA-TWASSIGNED - Southwest Ohio Computer Association | 7.9K | — | 7 |
| AS11517US | BLUE-CROSS-AND-BLUE-SHIELD-OF-MINNESOTA - Blue Cross & Blue Shield of Minnesota | 7.9K | — | 17 |
| AS13628US | CENCORA-INTERNET - AMERISOURCEBERGEN | 7.9K | — | 13 |
| AS26073US | COFRACTAL-001 - Cofractal, Inc. | 7.9K | 1.1M | 40 |
| AS54947US | ZENIMAXONLINE - ZeniMax | 7.9K | — | 15 |
| AS399672US | AERVIVO - Aervivo, Inc | 7.9K | 1.8K | 33 |
| AS19398US | TENET-HEALTHCARE-ASN-01 - Tenet HealthSystem Medical, Inc. | 7.9K | — | 14 |
| AS23173US | VOYA-FINANCIAL - CITISTREET | 7.9K | — | 17 |
| AS30676US | TUB - Tullahoma Utilities Authority | 7.9K | 65.5K | 8 |
| AS3714US | KEC-NET - Kentucky Educational Computing Network | 7.9K | 65.5K | 9 |
| AS46149US | USI-2-ASN - University of Southern Indiana | 7.9K | 4.1K | 7 |
| AS30200US | DERBY - DerbyTech Computer Works | 7.9K | — | 15 |
| AS54512US | CHICKTEL-AS-1 - Chickamauga Telephone Corporation | 7.9K | — | 7 |
| AS1678US | DOW - The Dow Chemical Company | 7.9K | — | 25 |
| AS401322US | LUCK-NETO-01 - NetO Corp | 7.9K | 1 | 31 |
| AS1252US | UNMC-AS - University of Nebraska Medical Center | 7.9K | — | 9 |
| AS36801US | NWI-NETWORK - New Wave Industries, Inc. | 7.9K | — | 16 |
| AS53989US | SWAYZEECOM - Swayzee Telephone Company, Inc. | 7.9K | 256 | 16 |
| AS62597US | NSONE - NSONE Inc | 7.9K | 32 | 63 |
| AS137235US | AS137235 Wired ISP Inc. | 7.9K | — | 31 |
| AS11989US | WEBINT - HostPapa | 7.9K | — | 7 |
| AS14630US | INVESCO - Invesco Group Services, Inc. | 7.9K | 590.1K | 38 |
| AS398432US | WANRACK - WANRack, LLC | 7.9K | — | 9 |
| AS8190US | MDNX - GTT Americas, LLC | 7.9K | — | 16 |
| AS26039US | ATHENE-USA - Athene Annuity and Life Company | 7.9K | 1 | 18 |
| AS20419US | NETBLK-DMRCOM - DMR Communications Inc. | 7.9K | — | 7 |
| AS1044US | BLINN-AS - Blinn College | 8.2K | — | 10 |
| AS40523US | OACYS-INTERNET - OACYS TECHNOLOGY | 8.2K | 65.5K | 3 |