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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,254 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,726 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,965 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,346 |
| DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS5363US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5367US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5369US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5667US | FASTNET2-ASN - You Tools Corporation/FastNet | — | — | 0 |
| AS5668US | CENTURYLINK-VARIOUS-ISLANDS - CenturyLink Communications, LLC | — | — | 0 |
| AS5776US | WORLDWEB - World Web Limited | — | — | 0 |
| AS5807US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5837US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5848US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5917US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5924US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6017US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6046US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6051US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6097US | ASN-CKS-CU - CKS Group | — | — | 0 |
| AS6113US | GRIDNET - Verizon Business | — | — | 0 |
| AS6118US | MCCLATCHY-CORP - The McClatchy Company, LLC | — | — | 0 |
| AS6153US | ASN-SPRN-NYSERNET - SPRINT, Business Serices Group | — | — | 0 |
| AS6236US | BBCON - Business & Banking Concepts | — | — | 0 |
| AS6259US | COGENT-6259 - Cogent Communications, LLC | — | — | 0 |
| AS6287US | SPACESTAR - Spacestar Communications | — | — | 0 |
| AS6358US | MERC-AS - Mercury Mail | — | — | 0 |
| AS6420US | INTERPLAY - Interplay Productions | — | — | 0 |
| AS6457US | KDCOL-ASN - KDC-Online | — | — | 0 |
| AS6582US | FRII - Front Range Internet Inc. | — | — | 0 |
| AS6956US | INTERACT-ASN1 - InterAct Computer | — | — | 0 |
| AS7017US | TWC-7017-NA - Charter Communications Inc | — | — | 0 |
| AS7073US | NN-RS00-RS06 - NAP.NET, LLC | — | — | 0 |
| AS7088US | SYBASE - Sybase, Inc. | — | — | 0 |
| AS7108US | BIZNEXUS - Biznexus | — | — | 0 |
| AS7123US | NILENET-T1-0 - NileNet, Ltd. | — | — | 0 |
| AS7164US | LIPS-AS - Local IP Service, Inc. | — | — | 0 |
| AS7172US | IPSOFT-US-ASN2 - IPsoft | — | — | 0 |
| AS7176US | LVLT-7176-RESERVED-IPADMIN - Level 3 Parent, LLC | — | — | 0 |
| AS7185US | QUADRANET-INTERNET-SERVICES - QuadraNet Internet Services | — | — | 0 |
| AS7211US | GBLNAPSBOSFEED - Global NAPs Inc. | — | — | 0 |
| AS7260US | HFML-ASN - HAWAII FIBER MANAGEMENT LLC | — | — | 0 |
| AS7309US | USWO-AS - The Virtual Marketing Corporation | — | — | 0 |
| AS7330US | INTERNETLABS - Internet Laboratories, Inc. | — | — | 0 |
| AS7462US | ONEWEST - SRVnet, Inc. | — | — | 0 |
| AS7729US | CHI-IX - MCSNet | — | — | 0 |
| AS7736US | MARKETGUIDE - MarketGuide | — | — | 0 |
| AS7755US | COMBASE - ComBase Communications | — | — | 0 |
| AS7801US | BOSNET - Bosnet Communications, Inc | — | — | 0 |
| AS7845US | INTEGRATELECOM - Allstream Business US, LLC | — | — | 0 |
| AS7863US | ACADIAN - Acadian Internet Access | — | — | 0 |