AS721

DoD Network Information Center

AS 721 DNIC-ASBLK-00721-00726

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

74,724,608 IP addresses
ASN721
NameDNIC-ASBLK-00721-00726
OrganizationDoD Network Information Center
CountryUnited States  
RegistryARIN
IPv4 addresses74,724,608
IPv6 /64 networks233
Prefixes484
Other ASN allocated to DoD Network Information Center
ASN Name IP addresses
749 DNIC-AS-00749 228,465,152
367 DNIC-ASBLK-00306-00371 12,692,992
306 DNIC-ASBLK-00306-00371 4,999,168
56 DNIC-AS-00056 4,078,080
668 DNIC-AS-00668 2,590,720
5972 AS5972 1,644,288
27064 DNIC-ASBLK-27032-27159 1,495,040
637 DNIC-ASBLK-00616-00665 965,888
357 DNIC-ASBLK-00306-00371 522,240
647 DNIC-ASBLK-00616-00665 437,248
361 DNIC-ASBLK-00306-00371 393,472
5852 DNIC-ASBLK-05800-06055 290,816
27046 DNIC-ASBLK-27032-27159 285,440
5371 AS5371 279,808
5180 DNIC-ASBLK-05120-05376 269,568
1600 DNIC-ASBLK-01550-01601 248,320
138 DNIC-AS-00138 247,296
6039 AS6039 246,784
370 DNIC-ASBLK-00306-00371 231,936
340 DNIC-ASBLK-00306-00371 221,440
665 DNIC-ASBLK-00616-00665 219,648
331 DNIC-ASBLK-00306-00371 197,888
1554 DNIC-ASBLK-01550-01601 197,120
6035 AS6035 175,872
27142 DNIC-ASBLK-27032-27159 161,792
356 DNIC-ASBLK-00306-00371 161,280
6041 AS6041 157,184
362 DNIC-ASBLK-00306-00371 155,904
325 DNIC-ASBLK-00306-00371 137,728
341 DNIC-ASBLK-00306-00371 132,096
1556 DNIC-ASBLK-01550-01601 132,096
1580 DNIC-ASBLK-01550-01601 131,584
351 DNIC-ASBLK-00306-00371 131,584
365 DNIC-ASBLK-00306-00371 131,328
1563 DNIC-ASBLK-01550-01601 131,328
5831 DNIC-ASBLK-05800-06055 131,328
343 DNIC-ASBLK-00306-00371 131,072
5374 AS5374 103,424
344 DNIC-ASBLK-00306-00371 103,168
5307 AS5307 99,584
360 DNIC-ASBLK-00306-00371 97,792
6026 AS6026 97,536
300 DNIC-AS-00300 96,256
27065 DNIC-ASBLK-27032-27159 94,976
5974 AS5974 93,952
337 DNIC-ASBLK-00306-00371 87,296
3529 DNIC-AS-03529 82,688
5939 AS5939 82,432
334 DNIC-ASBLK-00306-00371 78,592
355 DNIC-ASBLK-00306-00371 75,008
368 DNIC-ASBLK-00306-00371 74,496
1561 DNIC-ASBLK-01550-01601 72,192
336 DNIC-ASBLK-00306-00371 71,936
350 DNIC-ASBLK-00306-00371 71,680
335 DNIC-ASBLK-00306-00371 71,424
348 DNIC-ASBLK-00306-00371 71,168
6042 AS6042 70,912
345 DNIC-ASBLK-00306-00371 70,656
346 DNIC-ASBLK-00306-00371 69,888
317 DNIC-ASBLK-00306-00371 69,632
349 DNIC-ASBLK-00306-00371 69,376
320 DNIC-ASBLK-00306-00371 68,864
321 DNIC-ASBLK-00306-00371 68,608
371 DNIC-ASBLK-00306-00371 68,608
328 DNIC-ASBLK-00306-00371 68,096
319 DNIC-ASBLK-00306-00371 68,096
316 DNIC-ASBLK-00306-00371 67,584
342 DNIC-ASBLK-00306-00371 67,584
347 DNIC-ASBLK-00306-00371 67,584
329 DNIC-ASBLK-00306-00371 67,584
687 DNIC-AS-00687 67,328
353 DNIC-ASBLK-00306-00371 67,328
5237 DNIC-ASBLK-05120-05376 67,072
1559 DNIC-ASBLK-01550-01601 66,816
324 DNIC-ASBLK-00306-00371 66,816
1555 DNIC-ASBLK-01550-01601 66,560
352 DNIC-ASBLK-00306-00371 66,560
338 DNIC-ASBLK-00306-00371 66,304
339 DNIC-ASBLK-00306-00371 66,304
323 DNIC-ASBLK-00306-00371 66,048
322 DNIC-ASBLK-00306-00371 65,792
364 DNIC-ASBLK-00306-00371 65,536
5376 AS5376 65,536
327 DNIC-ASBLK-00306-00371 65,536
1566 DNIC-ASBLK-01550-01601 65,536
6009 AS6009 65,536
358 DNIC-ASBLK-00306-00371 65,536
359 DNIC-ASBLK-00306-00371 65,536
307 DNIC-ASBLK-00306-00371 65,536
366 DNIC-ASBLK-00306-00371 65,536
1959 DNIC-AS-01959 65,536
571 DNIC-AS-00571 44,032
27066 DNIC-ASBLK-27032-27159 41,216
27138 DNIC-ASBLK-27032-27159 37,632
5839 DNIC-ASBLK-05800-06055 34,816
1590 DNIC-ASBLK-01550-01601 34,816
2577 DNIC-AS-02577 34,816
1568 DNIC-ASBLK-01550-01601 33,280
1565 DNIC-ASBLK-01550-01601 33,024
6034 AS6034 28,416
369 DNIC-ASBLK-00306-00371 27,648
149 DNIC-AS-00149 23,808
326 DNIC-ASBLK-00306-00371 23,040
5133 DNIC-ASBLK-05120-05376 18,944
2046 DNIC-AS-02046 18,944
27047 DNIC-ASBLK-27032-27159 18,688
5306 AS5306 16,384
1567 DNIC-ASBLK-01550-01601 16,384
5842 DNIC-ASBLK-05800-06055 12,800
1208 DNIC-AS-01208 12,800
121 DNIC-AS-00121 9,728
27137 DNIC-ASBLK-27032-27159 9,728
27086 DNIC-ASBLK-27032-27159 9,472
722 DNIC-ASBLK-00721-00726 9,472
27079 DNIC-ASBLK-27032-27159 8,960
5231 DNIC-ASBLK-05120-05376 8,704
273 DNIC-AS-00273 8,448
1551 DNIC-ASBLK-01550-01601 8,192
518 DNIC-AS-00518 8,192
129 DNIC-AS-00129 8,192
228 DNIC-AS-00228 8,192
627 DNIC-ASBLK-00616-00665 7,168
1733 DISACENT-NIPR-ASN 6,912
5982 AS5982 6,400
636 DNIC-ASBLK-00616-00665 5,376
27069 DNIC-ASBLK-27032-27159 4,608
1904 DNIC-AS-01904 4,352
5927 DNIC-ASBLK-05800-06055 3,840
5182 DNIC-ASBLK-05120-05376 2,304
634 DNIC-ASBLK-00616-00665 2,304
2621 DNIC-AS-02621 2,048
3954 DNIC-AS-03954 2,048
140 DNIC-AS-00140 1,792
1562 DNIC-ASBLK-01550-01601 1,280
616 DNIC-ASBLK-00616-00665 1,280
3474 DNIC-AS-03474 1,024
3471 DNIC-AS-03471 1,024
6040 AS6040 1,024
5957 AS5957 1,024
664 DNIC-ASBLK-00616-00665 1,024
5978 AS5978 1,024
3472 DNIC-AS-03472 1,024
1911 DNIC-ASBLK-01910-01914 768
27149 DNIC-ASBLK-27032-27159 512
6002 AS6002 512
1585 DNIC-ASBLK-01550-01601 512
5052 DNIC-AS-05052 512
1553 DNIC-ASBLK-01550-01601 512
5860 DNIC-ASBLK-05800-06055 512
5329 AS5329 512
6006 AS6006 512
619 DNIC-ASBLK-00616-00665 512
5958 AS5958 512
27131 DNIC-ASBLK-27032-27159 256
3470 DNIC-AS-03470 256
1908 DNIC-AS-01908 256
170 DNIC-AS-00170 256
656 DNIC-ASBLK-00616-00665 256
5219 DNIC-ASBLK-05120-05376 256
27154 DNIC-ASBLK-27032-27159 256
514 DSADC-MECH 256
147 DNIC-AS-00147 256
5341 DNIC-ASBLK-05120-05376 0
4536 DNIC-AS-04536 0
5368 DNIC-ASBLK-05120-05376 0
5370 DNIC-ASBLK-05120-05376 0
5264 AS5264 0
4379 DNIC-AS-04379 0
27139 DNIC-ASBLK-27032-27159 0
4303 DNIC-AS-04303 0
4252 DNIC-AS-04252 0
4221 DNIC-ASBLK-04214-04221 0
5819 DNIC-ASBLK-05800-06055 0
5265 DNIC-ASBLK-05120-05376 0
4564 DNIC-AS-04564 0
4909 DNIC-AS-04909 0
27153 DNIC-ASBLK-27032-27159 0
27152 DNIC-ASBLK-27032-27159 0
27155 DNIC-ASBLK-27032-27159 0
5159 DNIC-ASBLK-05120-05376 0
27156 DNIC-ASBLK-27032-27159 0
5323 DNIC-ASBLK-05120-05376 0
5132 DNIC-ASBLK-05120-05376 0
5037 DNIC-AS-05037 0
5031 DNIC-AS-05031 0
5963 AS5963 0
27096 DNIC-ASBLK-27032-27159 0
27126 DNIC-ASBLK-27032-27159 0
27120 DNIC-ASBLK-27032-27159 0
6000 DNIC-ASBLK-05800-06055 0
27059 DNIC-ASBLK-27032-27159 0
6004 AS6004 0
6037 DNIC-ASBLK-05800-06055 0
27052 DNIC-ASBLK-27032-27159 0
27051 DNIC-ASBLK-27032-27159 0
27044 DNIC-ASBLK-27032-27159 0
6012 DNIC-ASBLK-05800-06055 0
27041 DNIC-ASBLK-27032-27159 0
27040 DNIC-ASBLK-27032-27159 0
27033 DNIC-ASBLK-27032-27159 0
27034 DNIC-ASBLK-27032-27159 0
22902 DNIC-AS-22902 0
6022 AS6022 0
6025 AS6025 0
6045 AS6045 0
6043 AS6043 0
5994 DNIC-ASBLK-05800-06055 0
27067 DNIC-ASBLK-27032-27159 0
5980 AS5980 0
27097 DNIC-ASBLK-27032-27159 0
5853 DNIC-ASBLK-05800-06055 0
5864 DNIC-ASBLK-05800-06055 0
5887 DNIC-ASBLK-05800-06055 0
5935 DNIC-ASBLK-05800-06055 0
27091 DNIC-ASBLK-27032-27159 0
5953 DNIC-ASBLK-05800-06055 0
5956 DNIC-ASBLK-05800-06055 0
27090 DNIC-ASBLK-27032-27159 0
5961 DNIC-ASBLK-05800-06055 0
5966 DNIC-ASBLK-05800-06055 0
27087 DNIC-ASBLK-27032-27159 0
5969 DNIC-ASBLK-05800-06055 0
27085 DNIC-ASBLK-27032-27159 0
27080 DNIC-ASBLK-27032-27159 0
5976 DNIC-ASBLK-05800-06055 0
5979 AS5979 0
5800 DNIC-ASBLK-05800-06055 0
4170 DNIC-AS-04170 0
1765 DNIC-AS-01765 0
765 DNIC-AS-00765 0
748 DNIC-AS-00748 0
724 DNIC-ASBLK-00721-00726 0
718 DNIC-AS-00718 0
717 DNIC-AS-00717 0
678 DNIC-AS-00678 0
667 DNIC-AS-00667 0
580 DNIC-AS-00580 0
576 DNIC-AS-00576 0
573 DNIC-AS-00573 0
569 DNIC-AS-00569 0
568 DNIC-AS-00568 0
767 DNIC-AS-00767 0
769 DNIC-AS-00769 0
1727 DNIC-AS-01727 0
1599 DNIC-ASBLK-01550-01601 0
1598 DNIC-ASBLK-01550-01601 0
1591 DNIC-ASBLK-01550-01601 0
1586 DNIC-ASBLK-01550-01601 0
1569 DNIC-ASBLK-01550-01601 0
1314 DNIC-AS-01314 0
1298 DNIC-AS-01298 0
1291 DNIC-AS-01291 0
1247 DNIC-RAS-01247 0
787 DNIC-AS-00787 0
770 DNIC-AS-00770 0
564 DNIC-AS-00564 0
552 DNIC-AS-00552 0
540 DNIC-AS-00540 0
295 USTCCLOUD 0
244 DNIC-AS-00244 0
198 DNIC-AS-00198 0
165 DNIC-AS-00165 0
164 DNIC-AS-00164 0
155 DNIC-AS-00155 0
150 DNIC-AS-00150 0
135 DNIC-AS-00135 0
126 DNIC-AS-00126 0
124 DNIC-AS-00124 0
118 DNIC-AS-00118 0
115 DNIC-AS-00115 0
303 DNIC-AS-00303 0
308 DNIC-ASBLK-00306-00371 0
532 DNIC-AS-00532 0
527 DNIC-AS-00527 0
515 DNIC-AS-00515 0
512 DNIC-AS-00512 0
509 DNIC-AS-00509 0
39 DNIC-AS-00039 0
332 DNIC-ASBLK-00306-00371 0
313 DNIC-ASBLK-00306-00371 0
312 DNIC-ASBLK-00306-00371 0
311 DNIC-ASBLK-00306-00371 0
310 DNIC-ASBLK-00306-00371 0
309 DNIC-ASBLK-00306-00371 0
95 DNIC-AS-00095 0
1778 DNIC-AS-01778 0
4165 DNIC-AS-04165 0
3535 DNIC-AS-03535 0
3534 DNIC-AS-03534 0
3533 DNIC-AS-03533 0
3532 DNIC-AS-03532 0
3531 DNIC-AS-03531 0
3530 DNIC-AS-03530 0
3528 DNIC-AS-03528 0
3473 DNIC-AS-03473 0
3469 DNIC-AS-03469 0
3468 DNIC-AS-03468 0
3467 DNIC-AS-03467 0
3466 DNIC-AS-3466 0
3536 DNIC-AS-03536 0
3537 DNIC-AS-03537 0
3696 DNIC-AS-03696 0
3666 DNIC-ASBLK-03664-03667 0
3547 DNIC-AS-03547 0
3546 DNIC-AS-03546 0
3545 DNIC-AS-03545 0
3544 DNIC-AS-03544 0
3543 DNIC-AS-03543 0
3542 DNIC-AS-03542 0
3541 DNIC-AS-03541 0
3540 DNIC-AS-03540 0
3539 DNIC-AS-03539 0
3538 DNIC-AS-03538 0
3419 DNIC-AS-03419 0
3418 DNIC-AS-03418 0
3417 DNIC-AS-03417 0
2622 DNIC-AS-02622 0
2531 DNIC-AS-02531 0
2275 DNIC-AS-02275 0
2141 DNIC-AS-02141 0
2137 DNIC-AS-02137 0
2054 DNIC-AS-02054 0
2032 DNIC-AS-02032 0
1971 DNIC-AS-01971 0
1925 DNIC-AS-01925 0
1918 DNIC-AS-01918 0
1913 DNIC-ASBLK-01910-01914 0
1912 DNIC-ASBLK-01910-01914 0
2623 DNIC-AS-02623 0
2624 DNIC-AS-02624 0
3416 DNIC-AS-03416 0
2748 DNIC-AS-02748 0
2745 DNIC-AS-02745 0
2744 DNIC-AS-02744 0
2741 DNIC-AS-02741 0
2632 DNIC-AS-02632 0
2630 DNIC-AS-02630 0
2629 DNIC-RAS-02629 0
2628 DNIC-AS-02628 0
2627 DNIC-AS-02627 0
2626 DNIC-AS-02626 0
2625 DNIC-RAS-02625 0
1834 DNIC-AS-01834 0
IPv4 Prefixes for AS721 - showing the first 20 of 482 networks
Network Location Addresses
128.26.0.0/21 DoD Network Information Center   Montgomery 2,048
128.26.112.0/22 DoD Network Information Center   Charlotte 1,024
128.26.117.0/24 DoD Network Information Center   Charlotte 256
128.26.118.0/23 DoD Network Information Center   London 512
128.26.120.0/21 DoD Network Information Center   London 2,048
128.26.13.0/24 DoD Network Information Center   Charlotte 256
128.26.137.0/24 DoD Network Information Center   Charlotte 256
128.26.138.0/23 DoD Network Information Center   Charlotte 512
128.26.238.0/23 DoD Network Information Center   Charlotte 512
128.26.247.0/24 DoD Network Information Center   Charlotte 256
128.26.248.0/23 DoD Network Information Center   Charlotte 512
128.26.40.0/22 DoD Network Information Center   Charlotte 1,024
128.26.48.0/23 DoD Network Information Center   Charlotte 512
128.26.64.0/22 DoD Network Information Center   London 1,024
128.26.68.0/23 DoD Network Information Center   Charlotte 512
128.26.71.0/24 DoD Network Information Center   Charlotte 256
128.26.8.0/22 DoD Network Information Center   Charlotte 1,024
128.26.82.0/24 DoD Network Information Center   Charlotte 256
128.26.98.0/23 DoD Network Information Center   Honolulu 512
130.22.0.0/16 DoD Network Information Center   Whitehall 65,536
IPv6 Prefixes for AS721
Network Location /64 Prefixes
2608:120::/32 DoD Network Information Center   Dallas 232
2608:121::/32 DoD Network Information Center   New York 232