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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,245 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| — |
| — |
| 0 |
| AS13560US | TWC-13560-NA - Charter Communications Inc | — | — | 0 |
| AS13644US | TMO-METRO - T-Mobile USA, Inc. | — | — | 0 |
| AS13661US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS13721US | CDK-GLOBAL-HOSTING - CDK Global, LLC | — | — | 0 |
| AS13881US | CIIS - California Institute of Integral Studies | — | — | 0 |
| AS13973US | LOGIXCOMM-AS3 - Logix | — | — | 0 |
| AS14083US | 501STUDIOS - Pegalo Properties Inc | — | — | 0 |
| AS14185US | CBSK - CABLE ONE, INC. | — | — | 0 |
| AS14215US | SABRE-HOLDINGS-CORPORATION - Sabre GLBL Inc. | — | — | 0 |
| AS14251US | MLSLI - Multiple Lising Service of Long Island, Inc. | — | — | 0 |
| AS14258US | ASTAC-ALASKA - Arctic Slope Telephone Association Cooperative, Inc. | — | — | 0 |
| AS14294US | 8X8-FUZE - 8x8, Inc. | — | — | 0 |
| AS14320US | MEREDITHCORP - Meredith Corp. | — | — | 0 |
| AS14447US | INFINITRON-INTERNET-NET - Infinitron Internet LLC | — | — | 0 |
| AS14502US | PADUCAH-LOUISVILLE-RAILWAY-CORP - Paducah & Louisville Railway, Inc. | — | — | 0 |
| AS14517US | REACHONE - Rainier Connect | — | — | 0 |
| AS14545US | DATAPEAK - DataPeak LLC | — | — | 0 |
| AS14552US | FESTIVAL-FOODS-01 - Skogen's Foodliner, Inc. | — | — | 0 |
| AS14620US | ITALK - iTalk Global Communications, Inc. | — | — | 0 |
| AS14629US | ASN-PFCS - PFCS Corporation | — | — | 0 |
| AS14667US | IA-CORS-AS - JAB Wireless, INC. | — | — | 0 |
| AS14716US | ASTREA-CCI-LAB - Lighthouse.net | — | — | 0 |
| AS14846US | CGNOGE - NBC Internet | — | — | 0 |
| AS14880US | TECHOPS-ASN-5 - Live Nation Entertainment, Inc. | — | — | 0 |
| AS14891US | EACOM - Electronic Arts, Inc. | — | — | 0 |
| AS14910US | CENTURYLINK-LEGACY-EMBARQ-PLYMOUTH - CenturyLink Communications, LLC | — | — | 0 |
| AS14919US | NETSUITE-PROD - Oracle Corporation | — | — | 0 |
| AS15047US | CRABEL-CAPITAL-MANAGEMENT-LLC - Crabel Capital Management, LLC | — | — | 0 |
| AS15207US | FIMC - Fairway Independent Mortgage Corporation | — | — | 0 |
| AS15216US | HOSTWAY - Ntirety, Inc. | — | — | 0 |
| AS15240US | INSIGHT2PROFIT - Insight2Profit | — | — | 0 |
| AS15289US | 10GBPS-NET - 10Gbs LLC | — | — | 0 |
| AS16387US | HEALTHYDIRECTIONS - Healthy Directions, LLC | — | — | 0 |
| AS16448US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS16510US | IHSENERGY-FIELDDIRECT - IHS Global, Inc. | — | — | 0 |
| AS16540US | BLUEROOSTER-ASN - Wave Broadband | — | — | 0 |
| AS16555US | HENKELSMCCOY - Henkels and McCoy, Inc. | — | — | 0 |
| AS16579US | RADIANZ - BT Americas, Inc | — | — | 0 |
| AS16603US | HOSTDRIVE - HostDrive.Com | — | — | 0 |
| AS16634US | AM-EX2 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |
| AS16673US | BAYER-US-ASN - Bayer Corporation | — | — | 0 |
| AS16923US | NEW-WAVE - New Wave Communications | — | — | 0 |
| AS16936US | SYNACOR-TECHNORAT-IP-ALLOCATION - Synacor, Inc. | — | — | 0 |
| AS16980US | UNITEDGUARANTY - Arch Capital Services LLC | — | — | 0 |
| AS17084US | IDS - IDS | — | — | 0 |
| AS17097US | IPSQUARED-NA-AS - IPSquared, Inc. | — | — | 0 |