美国
按 RIR 注册登记在美国的 ASN，IPv4 地址数量全球第 1 位。
- ASN
- 32,577
- 占全球 25.8%
- 有路由的 ASN
- 18,893
- 占本国 58.0%
- IPv4 地址
- 15.46 亿
- 占全球 45.0%
- IPv6 /48
- 20.33 亿
- 占全球 16.8%
路由数据 · 2026.10.19 20:18 UTC
网络类型构成按 ASN 数量
美国的政府机构查看全部类型
| 排名 | ASN | 名称 | IPv4 地址 | IPv6 /48 | 前缀 |
|---|---|---|---|---|---|
| 251 | AS372 | National Aeronautics and Space Administration | 1,792 | 0 | 5 |
| 252 | AS2143 | National Aeronautics and Space Administration | 1,792 | 0 | 3 |
| 253 | AS11159 | Los Angeles Public Library | 1,792 | 0 | 7 |
| 254 | AS19142 | Army & Air Force Exchange Service | 1,792 | 0 | 7 |
| 255 | AS30051 | Santa Clara County | 1,792 | 0 | 6 |
| 256 | AS40412 | PA House of Representatives - Democratic Caucus | 1,792 | 0 | 6 |
| 257 | AS46744 | City and County of Honolulu | 1,792 | 0 | 7 |
| 258 | AS396513 | County of Fresno | 1,792 | 0 | 4 |
| 259 | AS400436 | Kentucky Communications Network Authority (KCNA) | 1,792 | 0 | 4 |
| 260 | AS10616 | National Oceanic and Atmospheric Administration | 1,536 | 256 | 7 |
| 261 | AS18995 | CLACKAMAS | 1,536 | 256 | 3 |
| 262 | AS22600 | San Francisco Superior Court | 1,536 | 4 | 7 |
| 263 | AS12156 | City of Aurora Colorado | 1,536 | 0 | 6 |
| 264 | AS19677 | NJTRANSIT | 1,536 | 0 | 6 |
| 265 | AS22238 | Defense Advanced Research Projects Agency(DARPA) | 1,536 | 0 | 6 |
| 266 | AS22391 | Bexar County - Information Technology | 1,536 | 0 | 6 |
| 267 | AS30187 | Broward County | 1,536 | 0 | 6 |
| 268 | AS32358 | County of Ventura | 1,536 | 0 | 6 |
| 269 | AS33614 | City of San Diego | 1,536 | 0 | 6 |
| 270 | AS40724 | DeKalb County, Georgia | 1,536 | 0 | 6 |
| 271 | AS54081 | City of Grand Junction | 1,536 | 0 | 6 |
| 272 | AS393936 | Metropolitan Tulsa Electronic Network | 1,536 | 0 | 5 |
| 273 | AS398876 | Round Valley Indian Tribes | 1,536 | 0 | 2 |
| 274 | AS10924 | Division of Legislative Automated Systems | 1,280 | 0 | 2 |
| 275 | AS11493 | Hillsborough County Sheriff's Office | 1,280 | 0 | 3 |
| 276 | AS14849 | Superior Court of California, County of San Diego | 1,280 | 0 | 5 |
| 277 | AS14850 | PACE, the suburban bus division of the Region Transportation Authority | 1,280 | 0 | 2 |
| 278 | AS20091 | City of Martinsville, VA | 1,280 | 0 | 5 |
| 279 | AS22139 | County of Marin | 1,280 | 0 | 3 |
| 280 | AS30067 | AA County | 1,280 | 0 | 5 |
| 281 | AS30687 | National Weather Service Southern Region Headquarters | 1,280 | 0 | 5 |
| 282 | AS33248 | City of Evanston, Illinois | 1,280 | 0 | 5 |
| 283 | AS46376 | City of Orlando - Information Systems | 1,280 | 0 | 4 |
| 284 | AS46788 | Milwaukee County Government | 1,280 | 0 | 2 |
| 285 | AS54559 | COUNTY OF ALLEGHENY | 1,280 | 0 | 4 |
| 286 | AS393806 | Johnson County Kansas | 1,280 | 0 | 4 |
| 287 | AS394516 | County of Napa MIS | 1,280 | 0 | 2 |
| 288 | AS395474 | City of Plano, Texas | 1,280 | 0 | 5 |
| 289 | AS398116 | FDNY | 1,280 | 0 | 5 |
| 290 | AS399586 | The County of Okaloosa | 1,280 | 0 | 5 |
| 291 | AS400335 | Central Council of the Tlingit and Haida Indian Tribes of Alaska | 1,280 | 0 | 2 |
| 292 | AS31784 | City of Bainbridge | 1,024 | 65,536 | 2 |
| 293 | AS36858 | NMSTN | 1,024 | 65,536 | 5 |
| 294 | AS54549 | City of Vallejo, A municipal corporation | 1,024 | 65,536 | 4 |
| 295 | AS33174 | Prince William County Government Department of IT (DoIT) | 1,024 | 4,096 | 6 |
| 296 | AS401244 | Medina County | 1,024 | 256 | 3 |
| 297 | AS13543 | City of Cookeville | 1,024 | 1 | 2 |
| 298 | AS11212 | COUNTY OF SONOMA | 1,024 | 0 | 3 |
| 299 | AS11684 | Jefferson County Department of Health | 1,024 | 0 | 1 |
| 300 | AS11787 | Supreme Court of Pennsylvania | 1,024 | 0 | 4 |