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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| — |
| — |
| 0 |
| AS400842US | NSWAT - NetSWAT LLC | — | — | 0 |
| AS400850US | UNESCHEWED-ASN - Uneschewed | — | — | 0 |
| AS400884US | AONSERVICE - Microsoft Corporation | — | — | 0 |
| AS401078US | NOVAPULSE - NovaPulse Limited | — | — | 0 |
| AS401089US | IZT-CLOUD-USA-IN - IZT Cloud | — | — | 0 |
| AS401266US | CNSERVER - CNServer LLC | — | — | 0 |
| AS401341US | ORACLE-OC38 - Oracle Corporation | — | — | 0 |
| AS401373US | DATACANOPY-LOU01 - Sidus Group, LLC | — | — | 0 |
| AS401537US | POPPY-CORP - Poppy Inc | — | — | 0 |
| AS401540US | BUSINESS-BROADBAND-LLC - BUSINESS BROADBAND LLC | — | — | 0 |
| AS401621US | PXN-ENT-ASN-01 - PXN Enterprises LLC | — | — | 0 |
| AS401641US | NEAXTECH-AS - Neaxtech Productions, LLC | — | — | 0 |
| AS401741US | RIDGETOPNW - Ridgetop Networks, LLC | — | — | 0 |
| AS401838US | UNI-BROADBAND - Uni Broadband LLC | — | — | 0 |
| AS401864US | OPENAI - OpenAI OpCo, LLC | — | — | 0 |
| AS401902US | FALCON INTERNET - Falcon Internet | — | — | 0 |
| AS401913US | WAKKAWAKKA-KCS-01 - Wakka Wakka LLC | — | — | 0 |
| AS401926US | ENS-ASN01 - L3HARRIS TECHNOLOGIES, INC. | — | — | 0 |
| AS401960US | DREAMS - Dreamsync LLC | — | — | 0 |
| AS402033US | GLOWHOST-IP-RANGE-01 - GlowHost.com, LLC | — | — | 0 |
| AS402060US | CITY-OF-ENGLEWOOD - City of Englewood | — | — | 0 |
| AS402176US | WIREDBLADE - Wired Blade Incorporated | — | — | 0 |
| AS402206US | ALIBABA CLOUD US - Alibaba Cloud LLC | — | — | 0 |
| AS402322US | HYBRITECH - Hybritech | — | — | 0 |
| AS402337US | ADAPTIVE-SECURITY-AS - Adaptive | — | — | 0 |
| AS402346US | DESCHUTES - Deschutes | — | — | 0 |
| AS402351US | JIVDC-ASN-01 - Jamul | — | — | 0 |
| AS402380US | INTERNET-01-ASN - Village | — | — | 0 |
| AS402412US | INFOBOX - Infobox | — | — | 0 |
| AS402446US | CYBERVERSE - CYBERVERSE | — | — | 0 |
| AS402478US | DAKOTACONNECT-ASN - Dakota | — | — | 0 |
| AS402520US | 2ND-CARRIER-ASN - DISTRIBUTION | — | — | 0 |
| AS402532US | GOLDEN-STATE-FIBER - UTOPIA | — | — | 0 |
| AS402561US | AS-DCG-01 - DCONNECT | — | — | 0 |
| AS402563US | PETVET-CARE-CENTERS-LLC - PetVet | — | — | 0 |
| AS402598US | NUBIVANCE-01 - Nubivance | — | — | 0 |
| AS402614US | CLOUDFORGE-01 - CloudForge | — | — | 0 |
| AS402627US | DENVER-SEMINARY - Denver | — | — | 0 |
| AS402640US | USAP - U.S. | — | — | 0 |
| AS402660US | TOPCOMM-AS-1 - TOPCOMM | — | — | 0 |
| AS402676US | CHRISTIAN - ERIN | — | — | 0 |
| AS402678US | USABB-NET-1 - USA | — | — | 0 |
| AS402707US | LAVIHUB - Lavihub, | — | — | 0 |
| AS402764US | MANATEECLERK-ASN-01 - Manatee | — | — | 0 |
| AS402832US | KEITHP-44-30-144 - keithp.com | — | — | 0 |
| AS402846US | PALTHAUS - StudentHPC | — | — | 0 |