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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. | 211.2M | 21,141 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,234 |
| 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 | 48.4M | 3,591 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,937 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,476 |
| 3.1K |
| — |
| 12 |
| AS394037US | RIOCITIES-INTERNET - RIO CITIES | 3.1K | 4.4K | 8 |
| AS21700US | NEPTUNE-NETWORKS - Neptune Networks, LLC | 3.1K | 67.6K | 10 |
| AS23225US | NORTH-CAROLINA-WIRELESS - RiverStreet Networks | 3.1K | — | 8 |
| AS22147US | PACKETSURGE - Open Contributors Corporation for Advanced Internet Development, Inc. | 3.1K | 274 | 14 |
| AS32222US | ACCESSLINE-COM-2000 - AccessLine Communications Corp. | 3.1K | — | 12 |
| AS17279US | KANSAS-BROADBAND-INTERNET - Kansas Broadband Internet, Inc. | 3.1K | — | 3 |
| AS26038US | ELVT-CLOUD-AND-CONNX - Elevate Technology Group | 3.1K | — | 6 |
| AS40663US | INTERNET-SPEECH-AND-PRIVACY-LLC - IncogNet LLC | 3.1K | 27 | 24 |
| AS397118US | GLENWOOD-BGP - Glenwood Telephone Company | 3.1K | — | 10 |
| AS393316US | CLEARPOOL - Clearpool Technologies, LLC | 3.1K | — | 9 |
| AS40794US | WESTCO-ASN - Westco Internet | 3.1K | — | 2 |
| AS46209US | GHC911 - GHC911 | 3.1K | 65.5K | 8 |
| AS32270US | LDTEL - LD Telecommunications, Inc. | 3.1K | 65.5K | 3 |
| AS53903US | REBELTECAS - Rebeltec Communications, LLC | 3.1K | — | 6 |
| AS955US | LSHIY - LSHIY LLC | 3.1K | 131.1K | 28 |
| AS397137US | SEIONTEC-SYSTEMS - Seiontec Systems, LLC | 3.1K | — | 5 |
| AS394925US | OPTIMERANETWORKS - OptimERA xG | 3.1K | — | 2 |
| AS21993US | SCHLAGE-AS - Schlage Lock Company LLC | 3.1K | — | 9 |
| AS395693US | TEGNA-QTS-EAST - TEGNA Inc. | 3.1K | — | 11 |
| AS55142US | NEWBREAK-COMMUNICATIONS-VICKSBURG - Newbreak Management Co. LLC | 3.1K | — | 2 |
| AS29886US | ESVBA-ASN1 - Eastern Shore of Virginia Broadband Authority | 3.1K | 65.5K | 5 |
| AS53266US | DFNSYSRSWL - DFN Systems | 3.1K | — | 2 |
| AS15297US | EPLUS-ASN - EPLUS, Inc. | 3.1K | 1 | 9 |
| AS18938US | PRESSGANEY - PRESS GANEY ASSOCIATES INC | 3.1K | — | 8 |
| AS395532US | 1P-WSS - Web Site Source | 3.1K | — | 11 |
| AS26819US | TOIBGP1 - Telos Online, Inc | 3.1K | — | 6 |
| AS14222US | NFCU-AS - Navy Federal Credit Union | 3.1K | — | 12 |
| AS399203US | TREPIC-NETWORKS-01 - TREPIC Networks LLC | 3.1K | 131.1K | 7 |
| AS32372US | PRA-AS - PORTFOLIO RECOVERY ASSOCIATES | 3.1K | — | 10 |
| AS7809US | SYNOPSYS - Synopsys Inc. | 3.1K | — | 8 |
| AS400897US | PETROSKY - PETROSKY CLOUD LLC | 3.1K | — | 6 |
| AS17116US | BHPHOTO - B & H Foto & Electronics Corp. | 3.1K | 1 | 9 |
| AS36114US | VERSAWEB-ASN - VegasNAP, LLC | 3.1K | 256 | 5 |
| AS1965US | VISTRAENERGY-1965 - Vistra Corporate Services Company | 3.1K | — | 12 |
| AS54588US | EQUINIX-EC-SV - Equinix, Inc. | 3.1K | 1 | 12 |
| AS395505US | IMANAGE - iManage, LLC | 3.1K | — | 11 |
| AS399361US | ALCOA-CORP - Alcoa USA Corp. | 3.1K | — | 8 |
| AS22097US | KLGATES - K&L Gates, LLP | 3.1K | — | 9 |
| AS40631US | MASTEC-PRIVATE - Mastec, Inc | 3.1K | — | 7 |
| AS397688US | BWINPARTY-US-NV - BWIN.PARTY ENTERTAINMENT (NJ), LLC | 3.1K | — | 12 |
| AS54374US | WMTA - WMTel | 3.1K | — | 12 |
| AS26584US | 26584 - VERTAFORE, INC | 3.1K | — | 9 |
| AS17015US | WSCU - Western Colorado University | 3.1K | — | 5 |
| AS1411US | CHRISTOPHER-NEWPORT-UNIVERSITY - Christopher Newport University | 3.1K | — | 9 |
| AS16887US | AETHERNETSANANTONIO - Aethernet LLC | 3.1K | — | 12 |
| AS397268US | WILDWISP-01 - Cambridge Telephone | 3.1K | — | 12 |