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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. | 210.9M | 21,026 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,220 |
| 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 | 368 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 48M | 3,585 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,534 |
| XPONET - Xponet |
| 3.8K |
| 4 |
| 19 |
| AS7021US | VRIS-7021 - Verizon Business | 3.8K | — | 4 |
| AS16599US | BENTLEY-SYSTEMS - Bentley Systems | 3.8K | — | 7 |
| AS6086US | INFOMAGIC - MagicNET, Inc | 3.8K | 1 | 11 |
| AS400011US | VOXTELESYS-LLC - Voxtelesys LLC | 3.8K | 65.5K | 13 |
| AS53559US | ANONYMIZER - KST Networks | 3.8K | — | 15 |
| AS19079US | LOCL-NET - Locl-Net Inc | 3.8K | — | 15 |
| AS3555US | ATS-NET - AT&T Technical Services Company, Inc. | 3.8K | — | 12 |
| AS18692US | NEUBERGER - Neuberger Berman | 3.8K | — | 13 |
| AS18594US | MERCHANT-SOLUTIONS-18594 - Worldpay, LLC | 3.8K | — | 15 |
| AS14313US | DATABANK-ZCOLO - zColo | 3.8K | — | 7 |
| AS23489US | MARINK12 - Marin County Office of Education | 3.8K | — | 15 |
| AS62825US | WTC-40-AS - Walnut Communications | 3.8K | — | 15 |
| AS22807US | CINEMARK-US - CINEMARK USA, INC | 3.8K | — | 15 |
| AS18919US | STT-GLOBAL - smartTrade Technologies | 3.8K | — | 15 |
| AS211936US | RD-UK Rackdog, LLC | 3.8K | — | 8 |
| AS40498US | ABQG - New Mexico Lambda Rail, Inc. | 3.8K | 65.5K | 13 |
| AS394194US | MCOGP - Gaylord Palms Resort & Convention Center | 3.8K | — | 7 |
| AS7441US | OMEGADC - Omega Datacenters, LLC | 3.8K | — | 15 |
| AS399976US | NOVANETWORKS - Nova Networks | 3.8K | 4.2K | 45 |
| AS400110US | ANUVU-AVI-01 - Anuvu Operations LLC | 3.8K | — | 10 |
| AS19836US | VERISIGNGRS - VeriSign Infrastructure & Operations | 3.8K | 15 | 30 |
| AS26925US | SMART-CITY-DCCC - SMART CITY NETWORKS, LIMITED PARTNERSHIP | 3.8K | — | 4 |
| AS32915US | KATTARE - Kattare Internet Services | 3.8K | — | 8 |
| AS46131US | THEIPGUYS-AS - TheIPGuys.Net, LLC | 3.8K | — | 5 |
| AS26008US | AKAMAI-NOMINUM-ASN - Akamai Technologies, Inc. | 3.8K | 23 | 17 |
| AS18773US | HENRICO-AS - County of Henrico | 3.8K | — | 15 |
| AS54027US | SEATTLE-PUBLIC-SCHOOLS - Seattle Public Schools | 3.8K | — | 6 |
| AS23492US | NEZPERCETRIBE - Nez Perce Tribe | 3.8K | — | 15 |
| AS22804US | REDHELM-CLOUD - Ideal Integrations, LLC | 3.8K | 256 | 9 |
| AS394399US | LACA-ASN - Licking Area Computer Association | 3.8K | — | 8 |
| AS32519US | DMIT-SERVICES - DMIT Cloud Services | 3.8K | — | 6 |
| AS1689US | ANS-1689-AS - Verizon Business | 3.8K | — | 15 |
| AS394828US | VALTECH-ENTERPRISES - VALTECH ENTERPRISES, LLC | 3.8K | 73.7K | 13 |
| AS36071US | T1COMPANY - The T-1 Company, LLC | 3.8K | — | 7 |
| AS394456US | EPIK-LLC - Epik LLC | 3.8K | 65.5K | 17 |
| AS19265US | MHS-MMC-2401 - Memorial Medical Center | 3.8K | — | 15 |
| AS30215US | AS-CISCOHPS-APAC - Cisco Systems Ironport Division | 3.8K | 2 | 17 |
| AS23317US | WHITMANCOLLEGE - Whitman College | 3.8K | — | 4 |
| AS20334US | EPICTOUCH-AS-1 - Epic Touch Co. | 3.8K | — | 15 |
| AS395088US | CONVERGIA-US - Convergia, inc | 3.8K | — | 14 |
| AS1008US | GANJINGWORLD - GANJINGWORLD CORPORATION | 3.8K | 9 | 24 |
| AS395153US | RACKTOPIA - Racktopia Inc. | 3.8K | 1 | 16 |
| AS394034US | BROOKLYN-FIBER - Brooklyn Fiber | 3.8K | 65.5K | 11 |
| AS18708US | HDR-CORP - HDR, Inc. | 3.8K | — | 5 |
| AS27006US | IMPACTBUSINESS - Impact Business Solutions | 3.8K | 65.5K | 6 |
| AS400322US | NGTEL - NGTel | 3.8K | — | 4 |