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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. | 218M | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| 256 |
| 1 |
| AS16828US | DGA-SECURITY - DGA Security Systems, Inc. | — | — | 0 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS11938US | ABANTU - NCRYPTD LLC | — | 1 | 1 |
| AS151817US | ZAPPIEHOST-AS-AP - Zappie Host LLC | — | 65.5K | 2 |
| AS199465US | feiya FeiYa Network LTD. | — | 512 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS395250US | AS-BMSO365 - Bristol-Myers Squibb Company | — | 24 | 4 |
| AS19330US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 2 | 2 |
| AS402565US | JDKL - JDKL | — | 1 | 1 |
| AS14683US | WILSHIREASSOCIATESINC - Wilshire Associates Incorporated | — | — | 0 |
| AS402119US | AS-NOVA-CUST - Nova86 | — | 1 | 1 |
| AS200878US | CHRISP Christopher Thomas | — | 1 | 1 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS14944US | EMA-PRO - eMoney Advisor | — | — | 0 |
| AS33063US | AS-CUBIT - Cubit Computer Ltd. Liability Co. | — | 272 | 2 |
| AS14682US | GGS - GGS Information Services | — | — | 0 |
| AS200332US | FOLFY-ASN Nolan Trapp | — | 1 | 1 |
| AS14719US | MICROSOFT-CORP-BCENTRAL - Microsoft Corporation | — | — | 0 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS13962US | AS-HISPEED-1 - RiverCity Internet Group, L.L.C. | — | — | 0 |
| AS200766US | BROWN-AS Kerry Lynn brown jr | — | 274 | 4 |
| AS26910US | GOOGLE-CLOUD-2 - Google LLC | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS26648US | MERITENERGY - Merit Energy Company | — | — | 0 |
| AS206081US | JORDANSAVOCANET Jordan Savoca | — | 1 | 1 |
| AS13669US | VRIS-AS-BLOCK - Verizon Business | — | — | 0 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS14714US | GESTALT - Gestalt | — | 1 | 1 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS2010US | INFONET6 - INFONET Services Corporation | — | 1 | 1 |
| AS33649US | SHENTEL - Shenandoah Cable Television LLC | — | — | 0 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 39 | 9 |
| AS142130US | NICONET-AS-US - NICHONET Inter-Continental Hosting Operation Network | — | 20 | 4 |
| AS396563US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 1 | 1 |
| AS18921US | ASHERECHICAGOEQUINIXCH3 - HERE North America LLC | — | — | 0 |
| AS402899US | PTLHL - Prestige | — | 524.3K | 1 |
| AS18737US | VISANET-3 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS3000US | SPRINT-MRN-BLOCK - U.S. Sprint | — | 16.4K | 1 |
| AS18823US | MEDICALERT - Medicalert Foundation | — | — | 0 |
| AS1031US | PEER1-1031 - PEER 1031 LLC | — | 1 | 1 |
| AS13891US | 21ST-CENTURY-ONCOLOGY-INC - GENESISCARE USA OF FLORIDA, LLC | — | — | 0 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS13859US | CERNER - Cerner Corporation | — | — | 0 |
| AS33042US | NETIFACE-TORONTO - Netiface LLC | — | 65.5K | 1 |
| AS13455US | ASGROUP1 - Reach Marketing LLC | — | — | 0 |
| AS40792US | CYBERVERSE - CYBERVERSE | — | 1 | 1 |