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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 |
| — |
| 1 |
| 1 |
| AS207393US | AS_Clayton Clayton Donley | — | 2 | 2 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 82 | 4 |
| AS57257US | ZORINS-AS Zorins LLC | — | 2 | 2 |
| AS36262US | HASHTABLE-PREMIUM-TIER - HashTable, Inc. | — | 10 | 10 |
| AS19645US | IXSYSTEMS - iXSystems, Inc | — | 1 | 1 |
| AS395468US | UNLV - University of Nevada, Las Vegas | — | 256 | 1 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS177US | UMICH-AS-1 - University of Michigan | — | 2 | 2 |
| AS402536US | NETZR - NETZR | — | 1 | 1 |
| AS401009US | JSMSR-NETWORK - JSMSR Network | — | 321 | 3 |
| AS399154US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS399297US | PARALLAX-NET - Parallax | — | 1 | 1 |
| AS216250US | BENIOF-NET Benjamin Iofel | — | 16 | 1 |
| AS30581US | SUNOAKI-NET - Sunoaki Network LLC | — | 1 | 1 |
| AS168US | UMASS-AMHERST - University of Massachusetts - AMHERST | — | 256 | 1 |
| AS206193US | LEONARD-NET Jacob Leonard | — | 257 | 2 |
| AS401113US | SCH-TEST-AS - RackGenius | — | 1 | 1 |
| AS33665US | CMCS - Comcast Cable Communications, LLC | — | 2 | 2 |
| AS56808US | SRSP-4-56808 - Aubrey Rose | — | 1 | 1 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS402667US | CL-2372-AS-1 - Croan, | — | 256 | 1 |
| AS206699US | Zoey-Mertes Zoey Mertes | — | 5 | 5 |
| AS396043US | TENNESSEE-WIRELESS-LLC - TENNESSEE WIRELESS LLC | — | 1 | 1 |
| AS403096US | ANDROMEDACRAFT-HOSTING - Andromedacraft | — | 256 | 1 |
| AS401649US | AS-CYRATECH-LAX - Cyratech Technologies LLC | — | 256 | 1 |
| AS403120US | NIRMALA - Nirmala | — | 1 | 1 |
| AS402932US | BCN-NET - BlueComet | — | 1 | 1 |
| AS401904US | ORCHARD-LAKE-SYSTEMS - Orchard Lake Systems Inc | — | 1 | 1 |
| AS401533US | TGSLLC-02 - TGS, LLC | — | 1 | 1 |
| AS959US | OHANACAST - OHANACRAFT, LLC | — | 1 | 1 |
| AS198714US | INOV8N-AS Sreehari Sreedev | — | 2 | 2 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS6025US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 6 | 6 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS200790US | BYTEFIZZ BYTEFIZZ LLC | — | 269 | 11 |
| AS402842US | SIMPLAY3-SB-01 - THE | — | 1 | 1 |
| AS402577US | VIXNET - Snark | — | 1 | 1 |
| AS218798US | Reboot-Labs Reboot Labs LLC | — | 458.8K | 15 |
| AS14482US | LAB47 - Lab47 | — | 256 | 1 |
| AS26701US | AADS - NCRYPTD LLC | — | 1 | 1 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS22503US | METHOD-01 - Method Security Inc | — | 256 | 4 |
| AS395661US | USENET-SOLUTIONS - Usenet Solutions LLC | — | 3 | 3 |
| AS219187US | Tangtech-Internet-Services Tangtech Internet Services LLC | — | 16 | 1 |