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 |
| LYTEFIBER-01 - Lyte Fiber, LLC |
| 8.2K |
| 65.5K |
| 2 |
| AS1044US | BLINN-AS - Blinn College | 8.2K | — | 10 |
| AS7146US | GABN - Georgia Business Net, Inc | 8.2K | — | 1 |
| AS33725US | WCM-EVANSVILLE - Watch Communications | 8.2K | — | 4 |
| AS16954US | TRT-NET - Three River Telco | 8.2K | — | 5 |
| AS22601US | BONNPOWERNET - Bonneville Power Administration | 8.2K | 260 | 7 |
| AS22663US | PROMINIC-NET-INC - Prominic.NET, Inc. | 8.2K | — | 15 |
| AS14416US | BRAVO-NET - Internet de Nuevo Laredo, S.A de C.V. | 8.2K | — | 1 |
| AS14287US | TRIAD-TELECOM - Triad Telecom, Inc. | 8.2K | — | 20 |
| AS17202US | FGCU-FTM1 - Florida Gulf Coast University | 8.2K | — | 1 |
| AS10700US | TECINFO - TECINFO, Inc. | 8.2K | 65.5K | 2 |
| AS21555US | LHTC - LAUREL HIGHLAND TELEPHONE COMPANY | 8.2K | — | 4 |
| AS395795US | CTC - Cherokee Telephone Company | 8.2K | 65.5K | 6 |
| AS11017US | CPN - CSN Support Services | 8.2K | 32 | 8 |
| AS394744US | RMC-ASN1 - Randolph-Macon College | 8.2K | — | 1 |
| AS63100US | CTCI - Carnegie Telephone Company, Inc. | 8.2K | — | 6 |
| AS13986US | ECSIS-HST - ECSIS.NET | 8.2K | — | 2 |
| AS10564US | TCSI - ROCKET SOFTWARE INC | 8.2K | 256 | 18 |
| AS396485US | SLU-4-ASN - St. Lawrence University | 8.2K | — | 1 |
| AS19398US | TENET-HEALTHCARE-ASN-01 - Tenet HealthSystem Medical, Inc. | 8.2K | — | 15 |
| AS13409US | PDX - PORTLAND INTERNETWORKS | 8.2K | 65.5K | 3 |
| AS18885US | M2NGAGE2 - M2ngage Telecommunications II Corp. | 8.2K | — | 12 |
| AS397103US | WAVEFLY-AS397103 - REV | 8.2K | — | 3 |
| AS32614US | HDISS-NET - High Desert Internet Services | 8.2K | — | 8 |
| AS31747US | BLACKROCK-FINANCIAL-MANAGEMENT-2 - BlackRock Financial Management, Inc. | 7.9K | — | 30 |
| AS13628US | CENCORA-INTERNET - AMERISOURCEBERGEN | 7.9K | — | 13 |
| AS46149US | USI-2-ASN - University of Southern Indiana | 7.9K | 4.1K | 7 |
| AS400940US | RAILWAY - Railway | 7.9K | 2K | 21 |
| AS395753US | KKR - KKR | 7.9K | — | 31 |
| AS11517US | BLUE-CROSS-AND-BLUE-SHIELD-OF-MINNESOTA - Blue Cross & Blue Shield of Minnesota | 7.9K | — | 17 |
| AS8161US | INSIGHT-AS - Insight Direct USA, Inc. | 7.9K | — | 16 |
| AS54512US | CHICKTEL-AS-1 - Chickamauga Telephone Corporation | 7.9K | — | 7 |
| AS33167US | SWOCA-TWASSIGNED - Southwest Ohio Computer Association | 7.9K | — | 7 |
| AS23173US | VOYA-FINANCIAL - CITISTREET | 7.9K | — | 17 |
| AS402628US | ACUBENET - IDC | 7.9K | 65.8K | 40 |
| AS19812US | RADIANZ-NUTLEY - BT Americas, Inc | 7.9K | — | 16 |
| AS26073US | COFRACTAL-001 - Cofractal, Inc. | 7.9K | 1.1M | 40 |
| AS20419US | NETBLK-DMRCOM - DMR Communications Inc. | 7.9K | — | 7 |
| AS53280US | PROMEDICA - The Toledo Hospital | 7.9K | 1 | 25 |
| AS40641US | MGWTEL - MGW Telephone Company, Inc. | 7.9K | 65.5K | 19 |
| AS395366US | MCKINSEY-GLOBAL - McKinsey & Company, Inc. | 7.9K | — | 31 |
| AS54947US | ZENIMAXONLINE - ZeniMax | 7.9K | — | 15 |
| AS54304US | WCSD6 - Weld County School District Six | 7.9K | — | 5 |
| AS30282US | AS-INAPCDN-OCY - Unitas Global | 7.9K | 16.4K | 12 |
| AS46616US | WESTI-INET-AS - Westinghouse Electric Company LLC | 7.9K | 1 | 10 |
| AS10689US | FVI-CHI - Fox Valley Internet | 7.9K | — | 31 |
| AS46288US | TRELLIS - Trellis Communications, Inc. | 7.9K | — | 15 |