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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 | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| ETHOPLEX - Ethoplex, LLC |
| 9.5K |
| 65.5K |
| 15 |
| AS30452US | FIRST-NATIONAL-TECHNOLOGY-SOLUTONS - First National Technology Solutions, Inc. | 9.5K | — | 6 |
| AS210329US | CloudWebManage-UK-1 Kamatera Inc | 9.5K | 2 | 39 |
| AS11996US | LOBOIS - Lobo Internet Services, Ltd | 9.5K | 65.5K | 5 |
| AS800US | ONEWEB - OneWeb | 9.5K | — | 19 |
| AS6421US | AS6421 - TATA COMMUNICATIONS AMERICA INC | 9.5K | 1 | 36 |
| AS11352US | IOMAR-11352 - Iomartcloud Inc. | 9.5K | 69.6K | 17 |
| AS3756US | NYSERNET3-AS - NYSERNet | 9.5K | 1 | 8 |
| AS23126US | CENTURYLINK-CLEC-VARIOUS-SHARED-USE-AND-LOCATIONS - CenturyLink Communications, LLC | 9.5K | — | 18 |
| AS14343US | JDASOFTWARE - i2 Technologies Inc. | 9.5K | — | 20 |
| AS17064US | TISD-VIC - TISD, Inc. | 9.5K | — | 23 |
| AS1415US | CHNETWORK - Christus Health | 9.5K | — | 22 |
| AS53586US | WITTE-1 - Wittenberg Telephone Company | 9.5K | — | 23 |
| AS15042US | URBN - Urban Communications, Inc. | 9.5K | — | 5 |
| AS40805US | JMF-NETWORKS - JMF Solutions, Inc | 9.5K | 73.7K | 11 |
| AS63111US | ACE-US - ACE INA HOLDINGS INC. | 9.5K | — | 29 |
| AS14554US | FIRSTHOP - FirstHop | 9.5K | — | 30 |
| AS53991US | ACRONIS-53991 - Acronis | 9.5K | 9 | 38 |
| AS29843US | FIVEA-AS1 - Five Area Systems, LLC | 9.5K | 65.5K | 10 |
| AS32307US | VIAERO-WIRELESS-GPRS - NE COLORADO CELLULAR INC | 9.5K | 512 | 17 |
| AS22753US | REDHAT-0 - Red Hat, Inc. | 9.5K | 1 | 8 |
| AS55083US | NUMEREX - Numerex Corp | 9.5K | 66K | 8 |
| AS13654US | KC-WEB-LLC - KC Web, Inc. | 9.5K | — | 34 |
| AS7256US | VIACOM-AS - Viacom Inc. | 9.5K | — | 18 |
| AS36758US | TRUIST-ASN-36758 - Truist Financial Corporation | 9.5K | — | 35 |
| AS12094US | SISTERLAKESCABLE - Sister Lakes Cable | 9.5K | — | 5 |
| AS26311US | RANCH-WIFI - Ranch WiFi LLC | 9.5K | — | 27 |
| AS394752US | AVATIVE-FIBER - Avative Fiber | 9.5K | 65.5K | 8 |
| AS12052US | VFC - VF Services, Inc. Information Technology Services | 9.7K | — | 24 |
| AS11799US | AS11799 - JMC Capital, LLC | 9.7K | 65.5K | 8 |
| AS46853US | SWTEXAS - Southwest Texas Communications | 9.7K | — | 15 |
| AS25795US | ARPNET - ARP NETWORKS, INC. | 9.7K | 655.4K | 14 |
| AS35950US | VITNA-GSO - Volvo Group North America, Inc. | 9.7K | — | 30 |
| AS26167US | ASN-MARKLEY - Markley Boston LLC | 9.7K | 1 | 29 |
| AS15139US | PANASONIC - Panasonic Corporation of North America | 9.7K | — | 14 |
| AS394868US | GLN-LOOP - Greenlight Networks, LLC | 9.7K | 65.5K | 29 |
| AS11221US | WHRONET - WHRO Public Media | 9.7K | — | 10 |
| AS121US | DNIC-AS-00121 - United States Department of Defense DoD | 9.7K | — | 6 |
| AS393796US | GBTA-ASN - Golden Belt Telephone | 9.7K | 65.5K | 16 |
| AS53507US | MILLRY-TELCO - Millry Telephone Co Inc. | 9.7K | 65.5K | 18 |
| AS1848US | AS1848 - National Aeronautics and Space Administration | 9.7K | 1 | 26 |
| AS4917US | AMDOCS-AS - AMDOCS Inc. | 9.7K | — | 21 |
| AS26967US | DCSL-6-26967 - Sangoma US Inc. | 9.7K | 2 | 18 |
| AS397511US | PURDUE-RESEARCH - Purdue University | 9.7K | 1 | 5 |
| AS10506US | EVERGREENPS - Evergreen Public Schools | 9.7K | — | 5 |
| AS14929US | IQNT-VIT - Inteliquent, inc. | 9.7K | — | 31 |
| AS62643US | EVERTEK - Evertek, Inc | 9.7K | 65.5K | 15 |