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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| 186.4K |
| — |
| 16 |
| AS7065US | SNIC - Sonic.net, LLC | 186.1K | 33K | 40 |
| AS7203US | LEASEWEB-USA-SFO - Leaseweb USA, Inc. | 185.9K | 131.1K | 159 |
| AS1767US | ILIGHT-NET - Indiana Higher Education Telecommunication System (IHETS) | 185.6K | 261 | 44 |
| AS7795US | LUMOS - LUMOS Networks, Inc. | 185.3K | 65.5K | 57 |
| AS19416US | RBC-NY - RBC CAPITAL MARKETS CORPORATION | 183K | — | 81 |
| AS22742US | CT-EDU-NET - Connecticut Education Network | 182.8K | 65.5K | 79 |
| AS12129US | 123NET - 123.Net, Inc. | 182.8K | 69.6K | 59 |
| AS12079US | CELLCO-PART - Verizon Business | 181.5K | 202 | 17 |
| AS20454US | SSASN2 - SECURED SERVERS LLC | 181.5K | 4.9K | 162 |
| AS11273US | FDCSGNET - Fiserv Solutions, LLC | 180.2K | — | 143 |
| AS10967US | HOMEDEPOTNET - The Home Depot Inc. | 179.7K | — | 52 |
| AS16839US | SNC - SERVICENOW, INC. | 178.2K | 33 | 144 |
| AS1968US | UMASSNET-AS1968 - UMASSNET | 177.4K | 524.3K | 22 |
| AS36692US | CISCO-UMBRELLA - Cisco OpenDNS, LLC | 176.9K | 793 | 814 |
| AS45US | LLL-TIS-AS - Lawrence Livermore National Laboratory | 175.6K | 256 | 12 |
| AS984US | OWS-NETWORK - OCTOPUS WEB SOLUTION INC | 173.3K | 65.6K | 349 |
| AS11398US | CENTURYLINK-LEGACY-EMBARQ-LVGS - CenturyLink Communications, LLC | 172.3K | — | 64 |
| AS13333US | CCI-PA-AS-1 - Fidium | 172K | 65.5K | 41 |
| AS63199US | CDSC-AS1 - CDS Global Cloud Co., Ltd | 171.8K | 16.4K | 518 |
| AS797US | AMERITECH-AS - AT&T Services, Inc. | 171.3K | — | 21 |
| AS62US | CONE - CyrusOne LLC | 171K | 134.4K | 174 |
| AS3701US | LINK-OREGON - University of Oregon | 170.5K | 65.5K | 11 |
| AS2749US | DNIC-AS-02749 - Navy Network Information Center (NNIC) | 170K | — | 14 |
| AS10838US | OCEANIC-INTERNET-RR - Charter Communications Inc | 169.2K | 336.1K | 53 |
| AS14992US | CRYSTALTECH - NewtekOne, Inc. | 168.7K | — | 14 |
| AS19331US | TWIN-LAKES - Twin Lakes Telephone Cooperative Corporation | 168.7K | 1M | 40 |
| AS55256US | NETSKOPE - Netskope Inc | 168.7K | — | 517 |
| AS5078US | ONENET-AS-1 - Oklahoma Network for Education Enrichment and | 168.4K | 65.6K | 43 |
| AS21976US | NJEDGE-NET - NJEDge.Net, Inc. | 168.2K | 65.5K | 97 |
| AS26347US | DREAMHOST-AS - New Dream Network, LLC | 168.2K | 18 | 27 |
| AS12042US | ENVENTIS - Fidium | 167.7K | 131.1K | 111 |
| AS393238US | IMONC - ImOn Communications, LLC | 166.4K | 1.1M | 22 |
| AS7381US | SRS-6-Z-7381 - BroadbandONE, LLC | 165.9K | 1.1M | 260 |
| AS397412US | TACHUS - TACHUS INFRASTRUCTURE LLC | 165.1K | 65.5K | 19 |
| AS10921US | KIHNETWORK - Commonwealth of KentuckyDepartment of Information Systems | 164.9K | — | 7 |
| AS398478US | PEG-HK - PEG TECH INC | 164.6K | — | 74 |
| AS54936US | WGL-107-ZONA-WYYERD - Wyyerd Group | 163.8K | 65.5K | 146 |
| AS3851US | NSHE-NEVADANET - Nevada System of Higher Education | 163.8K | 65.5K | 7 |
| AS350US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 163.8K | 256 | 5 |
| AS18978US | ENZUINC-US - Enzu Inc | 163.6K | 786 | 109 |
| AS979US | NETLAB-SDN - NetLab Global | 163.1K | — | 446 |
| AS27142US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 161.3K | 3 | 59 |
| AS6041US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 160.8K | — | 56 |
| AS7782US | ALSK-7782 - Alaska Communications Systems Group, Inc. | 160.8K | 131.1K | 28 |
| AS356US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | 160K | — | 113 |
| AS10794US | BANKAMERICA - Bank of America, National Association | 159.5K | — | 265 |