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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| — |
| — |
| 0 |
| AS18835US | FIDUCIAL - Fiducial Inc. | — | — | 0 |
| AS18847US | RANDOLPH-ISP - Randolph County Government of NC | — | — | 0 |
| AS18925US | AS59010 - TMP Direct | — | — | 0 |
| AS19040US | FIRSTMERIT - Huntington Bancshares Inc. | — | — | 0 |
| AS19049US | FTD-2 - FTD, LLC | — | — | 0 |
| AS19206US | COA-AS-01 - CITY OF ALLEN | — | — | 0 |
| AS19248US | ACSC1000 - Automobile Club of Southern California | — | — | 0 |
| AS19289US | SUNGARDAS-19289 - BroadbandONE, LLC | — | — | 0 |
| AS19308US | CST-CORPORATE - Superion, LLC | — | — | 0 |
| AS19365US | NETWURX-01 - Netwurx LLC | — | — | 0 |
| AS19378US | ADEA-AS - AMERICAN DENTAL EDUCATION ASSOCIATION | — | — | 0 |
| AS19387US | ASNAME-HANYS - Healthcare Association of New York State, Inc. | — | — | 0 |
| AS19408US | WDS-DENTAL - Western Dental | — | — | 0 |
| AS19445US | NEXCLOUD-AS01 - NexCloud | — | — | 0 |
| AS19562US | USA-AS-EXPEREOINTERNATIONAL - EXPEREO USA, INC. | — | — | 0 |
| AS19592US | 3CI-BOS - 3Cinteractive | — | — | 0 |
| AS19667US | IGNYTE - MNJ Technology Services LLC | — | — | 0 |
| AS19698US | XO-19698-19699 - Verizon Business | — | — | 0 |
| AS19727US | CARNIVAL-CRUISE-LINES-DISASTER-RECOVERY-SITE - Carnival Corporation | — | — | 0 |
| AS19760US | CALPINE-CORP - CALPINE CORP | — | — | 0 |
| AS19874US | DATABANK-CASTLEACCESS - Castle Access Inc | — | — | 0 |
| AS19943US | CRCS-4-ASN - Chestnut Ridge Counseling Services, Inc. | — | — | 0 |
| AS20023US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20024US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20026US | EVERESTBROADBAND-NET - Everest BBN, Inc. | — | — | 0 |
| AS20028US | ONETONE - OneTone Telecom, Inc | — | — | 0 |
| AS20041US | PROSCAN - Proscan Imaging, LLC | — | — | 0 |
| AS20051US | RENTRAK - comScore, Inc. | — | — | 0 |
| AS20094US | MIDWEST-TEL - Midwest Telnet, LLP | — | — | 0 |
| AS20136US | MCGASN1 - Mainstream Consulting Group, Inc | — | — | 0 |
| AS20150US | ANYNODE - anyNode | — | — | 0 |
| AS20307US | MLESS - Motherless Inc. | — | — | 0 |
| AS20341US | HURRICANE-LABS-207-166-205-0 - Hurricane Labs, LLC | — | — | 0 |
| AS20366US | LINKEDIN-1 - LinkedIn Corporation | — | — | 0 |
| AS20434US | FIRSTBEST - Guidewire Software, Inc. | — | — | 0 |
| AS21732US | AMERIBAND-PASSPOINT-01 - AmeriBand | — | — | 0 |
| AS21740US | TF-178 - Ting Fiber Inc. | — | — | 0 |
| AS21814US | PARSONS - Parsons Corp. | — | — | 0 |
| AS21892US | MACROVISION - Rovi Corporation | — | — | 0 |
| AS22059US | AETHERPAW-MOWNET - AetherPaw LLC | — | — | 0 |
| AS22173US | PDP-SUPERIOR - PLAIN DEALER PUBLISHING CO. | — | — | 0 |
| AS22224US | GHIAL-ASN - GLDL Holdings I of Arizona LLC | — | — | 0 |
| AS22292US | MCD-US-ASN - McDonald's Corporation | — | — | 0 |
| AS22383US | LAS-VEGAS-SUN - Las Vegas Sun | — | — | 0 |
| AS22461US | MERCEDESISD - Mercedes Independent School District | — | — | 0 |
| AS22490US | SIERRABRAVOCORP - The Nerdery, LLC | — | — | 0 |