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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,766 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,308 |
| 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.
32,243 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,998 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,359 |
| — |
| — |
| 0 |
| AS11564US | TRANSCORR - TransCorr, LLC. | — | — | 0 |
| AS11583US | RBSLYNK-AS3 - Fidelity National Information Services, Inc. | — | — | 0 |
| AS11728US | RTGL-11728 - Harborvault | — | — | 0 |
| AS11762US | PONYNETWORK - Pony Networks LLC | — | — | 0 |
| AS11778US | SINEP-PR-NET - Frontline Communications | — | — | 0 |
| AS11812US | DWS-DGN - Disney Worldwide Services, Inc. | — | — | 0 |
| AS11824US | VANCOUVER-COLO - Vonage Holdings, Inc. | — | — | 0 |
| AS11869US | AS11869 - Syniverse Technologies, LLC | — | — | 0 |
| AS11922US | REALNETWORKS - REALNETWORKS LLC | — | — | 0 |
| AS11952US | ASN-11952 - Nasdaq, Inc. | — | — | 0 |
| AS11957US | CACHEFLOW-AS - Gen Digital Inc. | — | — | 0 |
| AS12023US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS12039US | TIMEINC - Meredith Corp. | — | — | 0 |
| AS12181US | INTERNAP-2BLK - Unitas Global | — | — | 0 |
| AS12192US | T2-JC-SHN - Charles Schwab & Co., Inc. | — | — | 0 |
| AS12269US | GROUPON-PROD1 - Groupon, Inc. | — | — | 0 |
| AS13345US | MASSIVE-NETWORKS-13345 - Massive Networks, Inc. | — | — | 0 |
| AS13473US | INTOP-NET - INTOP, Inc. | — | — | 0 |
| AS13533US | HJ-NET - Yahoo Holdings Inc. | — | — | 0 |
| AS13730US | VELOCITY-AS - PAVLOV MEDIA INC | — | — | 0 |
| AS13749US | ASN-THEPLANET-2 - IBM Cloud | — | — | 0 |
| AS13784US | AFOTEC-AS - Air Force Systems Networking | — | — | 0 |
| AS13840US | SHERIDAN-HEALTHCORP - SHERIDAN HEALTHCORP, INC. | — | — | 0 |
| AS13944US | BRIDGESTONE-AMERICAS - Bridgestone Americas, Inc. | — | — | 0 |
| AS13987US | IVANET-LONDON - IBASIS INC. | — | — | 0 |
| AS14044US | NETRIX IT SERVICES MINNESOTA - Netrix LLC | — | — | 0 |
| AS14055US | DFG-LLC - Dougherty Financial Group LLC | — | — | 0 |
| AS14133US | USMETROPOLITANTELECOM-AS - Summit Broadband | — | — | 0 |
| AS14138US | OCPS - Orange County Public Schools | — | — | 0 |
| AS14159US | LAKEFIELD-AS - NetNet | — | — | 0 |
| AS14253US | AGIOAPCNY2 - Agio LLC | — | — | 0 |
| AS14281US | NQ-ICT-ALB - Next Quest 2000 LLC | — | — | 0 |
| AS14407US | XO-ASN5 - Verizon Business | — | — | 0 |
| AS14436US | INTUIT-QCY-DC - Intuit Inc. | — | — | 0 |
| AS14678US | YAHOO-HILLSBORO - Yahoo Holdings Inc. | — | — | 0 |
| AS14680US | REALE-6 - Auction.com | — | — | 0 |
| AS14684US | PAC-BGP-1 - Performance Award Center, Inc. | — | — | 0 |
| AS14810US | M3-MERIDIANMANAGE - Meridian Billing Management Co | — | — | 0 |
| AS14825US | VINS-AS-6 - Flexential Colorado Corp. | — | — | 0 |
| AS14884US | YONGSHUAI-LLC - YS | — | — | 0 |
| AS14963US | TECHOPS-ASN-1 - Live Nation Entertainment, Inc. | — | — | 0 |
| AS15032US | CTRX-AS1 - Catamaran LLC | — | — | 0 |
| AS15056US | XO-ASN9 - Verizon Business | — | — | 0 |
| AS15068US | SUPERCLUBS-JDV - SuperClubs.com | — | — | 0 |
| AS15091US | SHENTEL - Shentel Asset Entity I LLC | — | — | 0 |
| AS15104US | MBNA-NET-AS1 - Bank of America, National Association | — | — | 0 |