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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 |
| — |
| — |
| 0 |
| AS33533US | FAIRPLEX-INTERNET - Fairplex | — | — | 0 |
| AS33537US | ASN-WF - WRIGHT & FILIPPIS | — | — | 0 |
| AS33620US | ALTRINSIC - Altrinsic Global Advisors, LLC | — | — | 0 |
| AS33631US | PARC-ASN - Palo Alto Research Center Incorporated | — | — | 0 |
| AS33694US | XAXIS-AS3 - mPlatform LLC | — | — | 0 |
| AS33696US | NEXTARRAY-ASN-01 - NextArray LLC. | — | — | 0 |
| AS33718US | APXINC-SJC - APX, Inc. | — | — | 0 |
| AS33721US | CCL-ASN2 - Carnival Corporation | — | — | 0 |
| AS35890US | GII - GLOBAL INTERNETWORKING | — | — | 0 |
| AS35898US | BHN-35898-NA - Charter Communications, Inc | — | — | 0 |
| AS35903US | COUNTRY-INSURANCE-QANETWORK - CC Services, Inc | — | — | 0 |
| AS36031US | Q9-AS-BRAM - Equinix, Inc. | — | — | 0 |
| AS36044US | PRIMEEAST01 - Primatics Financial, LLC. | — | — | 0 |
| AS36159US | AS36159 - Mountain West Technologies Corporation | — | — | 0 |
| AS36160US | LITMGMT - Litigation Management, Inc. | — | — | 0 |
| AS36187US | K2NETWORK - Reloaded Games, Inc | — | — | 0 |
| AS36196US | COMCAST-TELECOMM-5 - Comcast Cable Communications, LLC | — | — | 0 |
| AS36219US | RISE-NE-PINET2-AS36219 - JAB Wireless, INC. | — | — | 0 |
| AS36286US | RLEWAN-01 - NGA | — | — | 0 |
| AS36312US | NET-DHS54-ASN - Diversified Health Services, Inc. | — | — | 0 |
| AS36417US | FTP-TOTALUPTIME-01 - Clearwater Analytics, LLC | — | — | 0 |
| AS36448US | GNME - Global Network Enterprises LLC | — | — | 0 |
| AS36491US | PLAINSTEL-ASN-1 - Plains Cooperative Telephone Association, Inc. | — | — | 0 |
| AS36532US | EXIM - Export Import Bank of the U.S | — | — | 0 |
| AS36560US | AS36560 - Alere Health LLC | — | — | 0 |
| AS36597US | WORLD-TRAVEL-HOLDINGS - World Travel Holdings, Inc | — | — | 0 |
| AS36632US | XGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36635US | PECHANGA - PECHANGA ENTERTAINMENT CENTER | — | — | 0 |
| AS36639US | CS100EQ - Cloudshape Inc | — | — | 0 |
| AS40005US | CCR-AS40005 - Circle Computer Resources, Inc. | — | — | 0 |
| AS40011US | 65-79-192-0-SYNIVERSE-CRX - Panhandle Telecommunications Systems, INC. | — | — | 0 |
| AS40022US | WATCHCOMM-IL - Watch Communications | — | — | 0 |
| AS40070US | SBCISD-AS - San Benito Consolidated Independent School District | — | — | 0 |
| AS40115US | MOEDOVE-RS - MoeDove | — | — | 0 |
| AS40150US | K12-VA-ASN - K12 Inc. | — | — | 0 |
| AS40152US | UTAHIO - Utah.io | — | — | 0 |
| AS40195US | LIQUIDNET-02 - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS40261US | AS-MERCED1 - Merced Systems, Inc. | — | — | 0 |
| AS40354US | LOCKTONKC-INTERNET - Lockton Companies | — | — | 0 |
| AS40486US | FVC-15-ASN - Florida Virtual Campus | — | — | 0 |
| AS40544US | PARADOXNETWORKS-INC - ParadoxNetworks, Inc | — | — | 0 |
| AS40609US | KOFC - Knights of Columbus | — | — | 0 |
| AS40612US | SWITCHFLY-40612-AS - Switchfly | — | — | 0 |
| AS40647US | VGRS-AC25 - VeriSign Global Registry Services | — | — | 0 |
| AS40649US | WEAREHERE - Arrival Telecom, Inc. | — | — | 0 |
| AS40654US | TKC-KM-ASN01 - Catawba Two Kings Casino | — | — | 0 |