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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 | 3,133 |
| 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 |
| — |
| — |
| 0 |
| AS4078US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4101US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4067US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS218248US | GavinPhratsachack Gavin Phratsachack | — | 16 | 1 |
| AS5276US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS6314US | CDC-AS - Chattanooga Data Connection, Inc. | — | — | 0 |
| AS6375US | XROADS - Crossroads Communications | — | — | 0 |
| AS6234US | ETAK-NET2 - Etak, Inc. | — | — | 0 |
| AS216052US | CDUBS-NET Craig Schulz | — | 33 | 3 |
| AS399528US | PECHANGA-RESORT-CASINO - Pechanga Resort & Casino | — | — | 0 |
| AS6031US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5912US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS398661US | MICROSOFT-AZURE-DEDICATED - Microsoft Corporation | — | — | 0 |
| AS399245US | GRAND-TRAVERSE-COUNTY - Grand Traverse County | — | — | 0 |
| AS5289US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS398811US | EQUINIX-EC-BO - Equinix, Inc. | — | — | 0 |
| AS403096US | ANDROMEDACRAFT-HOSTING - Andromedacraft | — | 256 | 1 |
| AS1346US | DNIC-AS-01346 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS398515US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS401154US | ASTRALSEC - Astral Security, Inc. | — | — | 0 |
| AS401129US | GCGL-15-BLOCK-2024 - Grant Consulting Group LLC | — | — | 0 |
| AS398507US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS400763US | AMS-AUX-AUSTIN - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS400296US | DART-NET - Snaju Development | — | — | 0 |
| AS197962US | HOOP7MOBILETELECOM-AS 7HOOP MOB TELECOM LLC | — | 98.3K | 24 |
| AS7197US | SMS - Siemens Medical Services | — | — | 0 |
| AS6969US | N2K-ASN - N2K Inc. | — | — | 0 |
| AS400745US | VC-ASN-1 - Vista Computing, LLC | — | 65.5K | 1 |
| AS5701US | HEALTH-ONE - HealthOne | — | — | 0 |
| AS6974US | ROSS-ASN - Ross Technology, Inc. | — | — | 0 |
| AS6624US | TYLERVAULT - Tyler Vault | — | — | 0 |
| AS6603US | MTWEST208 - CottonWood CyberVentures | — | — | 0 |
| AS8050US | DNC-AS - Direct NET Communications | — | — | 0 |
| AS7814US | CNS-NETWORK - Chenango Net Services | — | — | 0 |
| AS8028US | PROAXIS - ProAxis Communications, Inc. | — | — | 0 |
| AS403168US | SUN-03 - Sun | — | 1 | 1 |
| AS21687US | AS21687 - Crown Castle Fiber LLC | — | 1.5K | 3 |
| AS7779US | LD - Loren Data Corp. | — | — | 0 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS7228US | AS-PAETEC-NET - Windstream Communications LLC | — | — | 0 |
| AS5834US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5881US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5798US | SUPERLATIVE - Superlative, Inc. | — | — | 0 |
| AS401775US | KV-LVDC-01 - KnightVision | — | 256 | 1 |
| AS6174US | COGENT-6174 - Cogent Communications, LLC | — | — | 0 |
| AS5636US | LISTING - NetWork Access | — | — | 0 |