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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 | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| 4.9K |
| — |
| 19 |
| AS32746US | CDI - Computer Design & Integration LLC | 4.9K | — | 19 |
| AS2535US | BP - BP America, Inc. | 4.9K | — | 13 |
| AS10975US | NET-AIG - American International Group Data Center, Inc. | 4.9K | 4 | 19 |
| AS15347US | 15347 - IBEX Global Solutions | 4.9K | — | 11 |
| AS204229US | Global_Router Global Router LLC | 4.9K | — | 8 |
| AS36530US | FUTURE-LAIN - IDC Cube | 4.9K | 272 | 27 |
| AS20081US | NET2ATLANTA - NET2ATLANTA.COM LLC | 4.9K | — | 12 |
| AS19324US | DOSARREST - Dosarrest Internet Security LTD | 4.9K | 2 | 20 |
| AS13938US | SSNC-AS - SS&C Technologies, Inc. | 4.9K | — | 12 |
| AS394869US | APNC - Asia Pacific Network Corporation | 4.9K | — | 19 |
| AS394056US | BIFIV - BIF IV | 4.9K | 73.7K | 15 |
| AS44259US | ULTAHOST-AP-AS Ultahost, Inc. | 4.9K | — | 19 |
| AS54300US | LIGHTSPEED-VOICE - Lightspeed Voice | 4.9K | — | 15 |
| AS22062US | GEOSTAR - GeoStar, LLC. | 4.9K | — | 10 |
| AS26001US | BLUIP - BLUIP INC | 4.9K | — | 9 |
| AS543US | HP-POLY - HP Inc. | 4.9K | — | 4 |
| AS64294US | PAC-GCS - Panasonic Avionics Corporation | 4.9K | — | 13 |
| AS17339US | SAFELITE - Safelite Glass Corp. | 4.9K | — | 4 |
| AS20018US | MVT-AS - Moapa Valley Telephone Company | 4.9K | 4.1K | 10 |
| AS397388US | BBTC-ALASKA - Bristol Bay Telephone | 4.9K | 65.5K | 4 |
| AS400856US | HILLENBRAND-INC - Hillenbrand, Inc. | 4.9K | 256 | 5 |
| AS609US | EY-AS-L - Ernst & Young LLP | 4.9K | 4.1K | 5 |
| AS150717US | DEERECOMPANY-AS-AP - Deere & Company | 4.9K | — | 4 |
| AS11698US | WIATEL - WESTERN IOWA TELEPHONE ASSOCIATION (A COOPERATIVE) | 4.9K | 65.5K | 5 |
| AS62695US | VERSO-NETWORKS - Verso Networks, Inc. | 4.9K | 65.5K | 11 |
| AS40393US | CROSSLINKNETWORKS - Crosslink Networks LLC | 4.9K | — | 16 |
| AS11758US | IRISNETWORKS - IRIS Networks | 4.9K | 65.5K | 6 |
| AS14333US | ORI-NET - On-Ramp Indiana, Inc. (ORI.NET) | 4.9K | 4 | 8 |
| AS29787US | WEBFORCE - Web Force Systems | 4.9K | — | 16 |
| AS54355US | MULTCO - NETWORK SERVICES | 4.9K | — | 9 |
| AS62994US | LCLOUD - LITE CLOUD INC | 4.9K | — | 13 |
| AS63179US | TWITTER - Twitter Inc. | 4.9K | — | 12 |
| AS30109US | MEDALLIA-INC - Medallia Inc. | 4.9K | — | 19 |
| AS4283US | CENTURYLINK-TSDS-LSVG - CenturyLink Communications, LLC | 4.9K | — | 3 |
| AS14616US | IVANET-AMSTERDAM - IBASIS INC. | 4.9K | 256 | 17 |
| AS4179US | CITY-OF-LA - City of Los Angeles | 4.9K | — | 19 |
| AS7352US | WECOM-INC - WECOM LLC | 4.9K | 86K | 18 |
| AS53767US | ICASTCENTER - iCastCenter | 4.9K | 65.5K | 6 |
| AS11598US | RECOL-CT - Cloudsmart | 4.9K | 65.5K | 7 |
| AS40139US | JACKSON-TECHNICAL - Jackson Technical LLC | 4.9K | — | 17 |
| AS1339US | ANSBB-ASNNET-1 - Verizon Business | 4.9K | 2 | 14 |
| AS396151US | STEWARDHEALTHCARE - Steward Health Care System LLC | 4.9K | — | 18 |
| AS26052US | ABN-AMRO-CLEARING-USA-LLC - Fortis Clearing Chicago LLC | 4.9K | — | 4 |
| AS21678US | NEW-BREED - XPO Supply Chain, Inc. | 4.9K | — | 15 |
| AS393301US | STJOHNTELCO - ST. JOHN CO-OPERATIVE TELEPHONE AND TELEGRAPH COMPANY | 4.9K | 65.5K | 10 |
| AS12087US | SALSGIVER - Salsgiver, Inc. | 4.9K | — | 19 |