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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. | 210.9M | 21,022 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,223 |
| 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 | 48M | 3,586 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,933 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,550 |
| 9K |
| — |
| 20 |
| AS393227US | RTC-NET - RTC Communications Corp. | 9K | 65.5K | 13 |
| AS200058US | ABBVIE AbbVie, Inc. | 9K | — | 16 |
| AS22352US | APPLIED-TECHNOLOGY - Applied Technology Group Inc. | 9K | — | 9 |
| AS2721US | SCLR - CULR, LLC | 9K | 65.5K | 5 |
| AS31929US | GREATRIVERENERGY - Great River Energy | 9K | — | 4 |
| AS46262US | RTASN - ResTech Services LLC | 9K | 65.7K | 55 |
| AS395177US | VFNLLC - Viaero Fiber Networks, LLC | 9K | — | 6 |
| AS7752US | THRES - THRESHOLD COMMUNICATIONS,INC. | 9K | 4.1K | 5 |
| AS41458US | MVSGROUP-AS Pulsar Solutions Inc. | 9K | — | 7 |
| AS6233US | XTOM - xTom | 9K | 65.6K | 71 |
| AS26747US | PCTCNET-AS1 - Phillips County Telephone Company | 9K | — | 18 |
| AS137235US | AS137235 Wired ISP Inc. | 9K | — | 35 |
| AS13549US | MERCURY - Mercury Network Corporation | 9K | 65.5K | 4 |
| AS6995US | VRIS-6995 - Verizon Business | 9K | — | 35 |
| AS395948US | EFI-NTX - ELEKTRAFI INC. | 9K | — | 11 |
| AS401333US | CERANET - CeraNet, Inc. | 9K | 65.5K | 27 |
| AS33313US | AS33313 - Crown Castle Fiber LLC | 9K | — | 16 |
| AS21789US | 168-244 - Lowe's Companies, Inc. | 9K | — | 26 |
| AS31715US | ABTME-AS CloudIP LLC | 9K | — | 35 |
| AS395129US | UNITED-FIBER - United Electric Cooperative | 9K | — | 8 |
| AS26499US | VATECH-DCMETRO - Virginia Polytechnic Institute and State Univ. | 9K | 258 | 7 |
| AS20355US | NTG-AS - REV | 9K | 65.5K | 4 |
| AS393262US | TODYL-CLOUD - Todyl, Inc. | 9K | — | 35 |
| AS19576US | EASTERN-AS-01 - Eastern University | 9K | — | 6 |
| AS36075US | SPACELABS-HEALTHCARE - SpaceLabs Medical, Inc. | 9K | — | 5 |
| AS18664US | VELOCITY-BNA - Velocity Technology Solutions, Inc | 9K | — | 5 |
| AS26421US | PONDEROSA-INTERNET - Ponderosa Cablevision | 9K | — | 15 |
| AS395032US | KRAUS-ONLINE - Krausonline.com | 9K | — | 12 |
| AS17369US | CHAPNET - Chapman University | 9K | — | 4 |
| AS11319US | DDMINC - Deseret Digital Media, Inc. | 9K | — | 4 |
| AS17151US | VONAGE - Vonage Holdings, Inc. | 9K | — | 35 |
| AS33198US | AS33198-SWITCHLV - Qualcomm, Inc. | 9K | — | 4 |
| AS32082US | BSC-20041102 - Bridgewater State University | 9K | — | 35 |
| AS53991US | ACRONIS-53991 - Acronis | 9K | 9 | 37 |
| AS197832US | NaviSiteEurope NAVISITE OPCO LLC | 9K | — | 9 |
| AS4574US | NETDOOR - Internet Doorway, Inc. | 9K | — | 4 |
| AS27079US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 9K | — | 4 |
| AS2722US | C-LIGHT - CULR, LLC | 9K | 65.8K | 6 |
| AS53334US | TUT-AS - Total Uptime Technologies, LLC | 8.8K | 30 | 82 |
| AS13389US | AZUKI - AZUKI, LLC | 8.7K | — | 16 |
| AS22711US | GNA-CORP-GENWORTH-FINANCIAL - Genworth North America Corporation | 8.7K | 260 | 7 |
| AS19356US | TOUA-NOC - Tohono O'Odham Utility Authority | 8.7K | — | 4 |
| AS33501US | MTDIGITAL - Montana Digital, LLC. | 8.7K | 65.5K | 6 |
| AS18704US | T-SYSTEMS-NA - T-Systems North America, Inc. | 8.7K | — | 3 |
| AS17099US | CALLIS-COMMUNICATIONS-AS - Callis Communications | 8.7K | — | 8 |
| AS18972US | PROMENET - PROMENET, INC. | 8.7K | — | 3 |