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.

74,841,600 IP addresses
ASN721
NameDNIC-ASBLK-00721-00726
OrganizationDoD Network Information Center
CountryUnited States  
RegistryARIN
IPv4 addresses74,841,600
IPv6 /64 networks232
Prefixes280
Other ASN allocated to DoD Network Information Center
ASN Name IP addresses
749 DNIC-AS-00749 206,989,824
306 DNIC-ASBLK-00306-00371 5,149,696
668 DNIC-AS-00668 2,942,976
5972 DNIC-ASBLK-05800-06055 2,137,344
27064 DNIC-ASBLK-27032-27159 1,690,624
637 DNIC-ASBLK-00616-00665 974,848
367 DNIC-ASBLK-00306-00371 758,528
357 DNIC-ASBLK-00306-00371 454,656
647 DNIC-ASBLK-00616-00665 443,392
361 DNIC-ASBLK-00306-00371 393,728
326 DNIC-ASBLK-00306-00371 294,912
5180 DNIC-ASBLK-05120-05376 273,152
27046 DNIC-ASBLK-27032-27159 272,896
1600 DNIC-ASBLK-01550-01601 264,448
6039 DNIC-ASBLK-05800-06055 257,536
665 DNIC-ASBLK-00616-00665 227,840
340 DNIC-ASBLK-00306-00371 221,440
1585 DNIC-ASBLK-01550-01601 214,272
138 DNIC-AS-00138 204,800
331 DNIC-ASBLK-00306-00371 198,144
724 DNIC-ASBLK-00721-00726 197,376
6035 DNIC-ASBLK-05800-06055 175,872
27142 DNIC-ASBLK-27032-27159 161,792
6041 DNIC-ASBLK-05800-06055 160,256
362 DNIC-ASBLK-00306-00371 160,000
356 DNIC-ASBLK-00306-00371 157,696
27066 DNIC-ASBLK-27032-27159 134,656
1580 DNIC-ASBLK-01550-01601 133,376
347 DNIC-ASBLK-00306-00371 132,864
341 DNIC-ASBLK-00306-00371 132,352
1556 DNIC-ASBLK-01550-01601 132,096
351 DNIC-ASBLK-00306-00371 131,584
1563 DNIC-ASBLK-01550-01601 131,328
5831 DNIC-ASBLK-05800-06055 131,328
365 DNIC-ASBLK-00306-00371 131,072
27065 DNIC-ASBLK-27032-27159 101,888
5307 DNIC-ASBLK-05120-05376 100,096
300 DNIC-AS-00300 96,512
335 DNIC-ASBLK-00306-00371 95,488
140 DNIC-AS-00140 88,832
337 DNIC-ASBLK-00306-00371 86,784
5939 DNIC-ASBLK-05800-06055 82,432
360 DNIC-ASBLK-00306-00371 82,432
370 DNIC-ASBLK-00306-00371 81,408
6026 DNIC-ASBLK-05800-06055 81,152
320 DNIC-ASBLK-00306-00371 81,152
334 DNIC-ASBLK-00306-00371 78,336
5974 DNIC-ASBLK-05800-06055 76,800
355 DNIC-ASBLK-00306-00371 75,520
369 DNIC-ASBLK-00306-00371 75,264
368 DNIC-ASBLK-00306-00371 75,008
325 DNIC-ASBLK-00306-00371 72,448
344 DNIC-ASBLK-00306-00371 72,192
345 DNIC-ASBLK-00306-00371 71,936
346 DNIC-ASBLK-00306-00371 71,936
336 DNIC-ASBLK-00306-00371 71,680
350 DNIC-ASBLK-00306-00371 71,680
348 DNIC-ASBLK-00306-00371 71,424
6042 DNIC-ASBLK-05800-06055 71,168
1555 DNIC-ASBLK-01550-01601 70,912
327 DNIC-ASBLK-00306-00371 69,632
349 DNIC-ASBLK-00306-00371 69,376
324 DNIC-ASBLK-00306-00371 69,120
321 DNIC-ASBLK-00306-00371 68,352
342 DNIC-ASBLK-00306-00371 67,840
323 DNIC-ASBLK-00306-00371 67,840
319 DNIC-ASBLK-00306-00371 67,584
328 DNIC-ASBLK-00306-00371 67,584
687 DNIC-AS-00687 67,328
316 DNIC-ASBLK-00306-00371 67,328
329 DNIC-ASBLK-00306-00371 67,328
352 DNIC-ASBLK-00306-00371 66,560
338 DNIC-ASBLK-00306-00371 66,304
353 DNIC-ASBLK-00306-00371 66,304
339 DNIC-ASBLK-00306-00371 66,304
1959 DNIC-AS-01959 66,304
317 DNIC-ASBLK-00306-00371 66,304
1562 DNIC-ASBLK-01550-01601 66,048
1778 DNIC-AS-01778 66,048
322 DNIC-ASBLK-00306-00371 66,048
6009 DNIC-ASBLK-05800-06055 65,792
5264 DNIC-ASBLK-05120-05376 65,792
1559 DNIC-ASBLK-01550-01601 65,792
1565 DNIC-ASBLK-01550-01601 65,792
1569 DNIC-ASBLK-01550-01601 65,792
343 DNIC-ASBLK-00306-00371 65,536
1566 DNIC-ASBLK-01550-01601 65,536
1586 DNIC-ASBLK-01550-01601 65,536
364 DNIC-ASBLK-00306-00371 65,536
5376 DNIC-ASBLK-05120-05376 65,536
307 DNIC-ASBLK-00306-00371 65,536
371 DNIC-ASBLK-00306-00371 65,536
366 DNIC-ASBLK-00306-00371 65,536
359 DNIC-ASBLK-00306-00371 65,536
358 DNIC-ASBLK-00306-00371 65,536
27047 DNIC-ASBLK-27032-27159 59,648
571 DNIC-AS-00571 55,296
149 DNIC-AS-00149 52,992
5374 DNIC-ASBLK-05120-05376 35,072
2577 DNIC-AS-02577 34,816
1590 DNIC-ASBLK-01550-01601 34,048
1568 DNIC-ASBLK-01550-01601 33,280
5237 DNIC-ASBLK-05120-05376 31,232
6034 DNIC-ASBLK-05800-06055 30,208
5133 DNIC-ASBLK-05120-05376 24,064
310 DNIC-ASBLK-00306-00371 21,248
27138 DNIC-ASBLK-27032-27159 18,944
2046 DNIC-AS-02046 18,688
5852 DNIC-ASBLK-05800-06055 17,664
1551 DNIC-ASBLK-01550-01601 16,896
5306 DNIC-ASBLK-05120-05376 16,384
1567 DNIC-ASBLK-01550-01601 16,384
5839 DNIC-ASBLK-05800-06055 14,848
5842 DNIC-ASBLK-05800-06055 12,800
1208 DNIC-AS-01208 12,544
6040 DNIC-ASBLK-05800-06055 12,032
1554 DNIC-ASBLK-01550-01601 10,240
27086 DNIC-ASBLK-27032-27159 9,472
121 DNIC-AS-00121 9,472
722 DNIC-ASBLK-00721-00726 9,472
5323 DNIC-ASBLK-05120-05376 9,216
27079 DNIC-ASBLK-27032-27159 8,704
1733 DISACENT-NIPR-ASN 8,704
228 DNIC-AS-00228 8,192
273 DNIC-AS-00273 8,192
518 DNIC-AS-00518 8,192
3474 DNIC-AS-03474 7,424
627 DNIC-ASBLK-00616-00665 7,168
5982 DNIC-ASBLK-05800-06055 6,144
5994 DNIC-ASBLK-05800-06055 5,888
6045 DNIC-ASBLK-05800-06055 5,376
1599 DNIC-ASBLK-01550-01601 5,120
27051 DNIC-ASBLK-27032-27159 4,608
1598 DNIC-ASBLK-01550-01601 4,608
27069 DNIC-ASBLK-27032-27159 4,352
295 USTCCLOUD 4,352
5853 DNIC-ASBLK-05800-06055 4,096
1904 DNIC-AS-01904 3,840
5927 DNIC-ASBLK-05800-06055 3,584
1913 DNIC-ASBLK-01910-01914 3,072
5969 DNIC-ASBLK-05800-06055 3,072
27139 DNIC-ASBLK-27032-27159 2,560
5182 DNIC-ASBLK-05120-05376 2,304
27137 DNIC-ASBLK-27032-27159 2,048
3954 DNIC-AS-03954 2,048
2621 DNIC-AS-02621 2,048
313 DNIC-ASBLK-00306-00371 1,792
3472 DNIC-AS-03472 1,536
616 DNIC-ASBLK-00616-00665 1,536
3471 DNIC-AS-03471 1,536
312 DNIC-ASBLK-00306-00371 1,280
27033 DNIC-ASBLK-27032-27159 1,024
27034 DNIC-ASBLK-27032-27159 1,024
27044 DNIC-ASBLK-27032-27159 1,024
3541 DNIC-AS-03541 1,024
5978 DNIC-ASBLK-05800-06055 1,024
3544 DNIC-AS-03544 1,024
580 DNIC-AS-00580 1,024
3538 DNIC-AS-03538 1,024
1911 DNIC-ASBLK-01910-01914 1,024
5132 DNIC-ASBLK-05120-05376 1,024
748 DNIC-AS-00748 1,024
664 DNIC-ASBLK-00616-00665 1,024
5819 DNIC-ASBLK-05800-06055 768
6006 DNIC-ASBLK-05800-06055 768
6002 DNIC-ASBLK-05800-06055 768
5979 DNIC-ASBLK-05800-06055 768
5957 DNIC-ASBLK-05800-06055 768
309 DNIC-ASBLK-00306-00371 768
5052 DNIC-AS-05052 512
5800 DNIC-ASBLK-05800-06055 512
5860 DNIC-ASBLK-05800-06055 512
308 DNIC-ASBLK-00306-00371 512
5329 DNIC-ASBLK-05120-05376 512
6022 DNIC-ASBLK-05800-06055 512
1553 DNIC-ASBLK-01550-01601 512
27149 DNIC-ASBLK-27032-27159 512
619 DNIC-ASBLK-00616-00665 512
27154 DNIC-ASBLK-27032-27159 256
1908 DNIC-AS-01908 256
3470 DNIC-AS-03470 256
311 DNIC-ASBLK-00306-00371 256
3666 DNIC-ASBLK-03664-03667 256
170 DNIC-AS-00170 256
147 DNIC-AS-00147 256
514 DSADC-MECH 256
118 DNIC-AS-00118 256
56 DNIC-AS-00056 256
656 DNIC-ASBLK-00616-00665 256
27096 DNIC-ASBLK-27032-27159 0
27090 DNIC-ASBLK-27032-27159 0
27091 DNIC-ASBLK-27032-27159 0
27155 DNIC-ASBLK-27032-27159 0
27097 DNIC-ASBLK-27032-27159 0
27087 DNIC-ASBLK-27032-27159 0
27041 DNIC-ASBLK-27032-27159 0
27085 DNIC-ASBLK-27032-27159 0
27153 DNIC-ASBLK-27032-27159 0
27080 DNIC-ASBLK-27032-27159 0
27067 DNIC-ASBLK-27032-27159 0
27052 DNIC-ASBLK-27032-27159 0
27059 DNIC-ASBLK-27032-27159 0
27152 DNIC-ASBLK-27032-27159 0
27156 DNIC-ASBLK-27032-27159 0
6043 DNIC-ASBLK-05800-06055 0
5887 DNIC-ASBLK-05800-06055 0
5864 DNIC-ASBLK-05800-06055 0
552 DNIC-AS-00552 0
564 DNIC-AS-00564 0
5370 DNIC-ASBLK-05120-05376 0
5368 DNIC-ASBLK-05120-05376 0
5341 DNIC-ASBLK-05120-05376 0
5265 DNIC-ASBLK-05120-05376 0
2629 DNIC-RAS-02629 0
3473 DNIC-AS-03473 0
1918 DNIC-AS-01918 0
1912 DNIC-ASBLK-01910-01914 0
5935 DNIC-ASBLK-05800-06055 0
527 DNIC-AS-00527 0
5953 DNIC-ASBLK-05800-06055 0
6037 DNIC-ASBLK-05800-06055 0
332 DNIC-ASBLK-00306-00371 0
6025 DNIC-ASBLK-05800-06055 0
6012 DNIC-ASBLK-05800-06055 0
6000 DNIC-ASBLK-05800-06055 0
5980 DNIC-ASBLK-05800-06055 0
5976 DNIC-ASBLK-05800-06055 0
5966 DNIC-ASBLK-05800-06055 0
5963 DNIC-ASBLK-05800-06055 0
5961 DNIC-ASBLK-05800-06055 0
5958 DNIC-ASBLK-05800-06055 0
5956 DNIC-ASBLK-05800-06055 0
1591 DNIC-ASBLK-01550-01601 0
IPv4 Prefixes for AS721 - showing the first 20 of 279 networks
Network Location Addresses
130.22.0.0/16 DoD Network Information Center   Whitehall 65,536
131.16.0.0/16 DoD Network Information Center   Frankfurt am Main 65,536
131.32.0.0/11 Air Force Systems Networking   Montgomery (Gunter Annex) 2,097,152
131.4.0.0/15 DoD Network Information Center   Montgomery 131,072
131.64.0.0/13 DoD Network Information Center   Columbus (East Columbus) 524,288
131.74.0.0/15 DoD Network Information Center   Whitehall 131,072
131.76.0.0/14 DoD Network Information Center   Whitehall 262,144
131.78.204.0/24 DoD Network Information Center   Chicago 256
131.78.3.0/24 DoD Network Information Center   Chicago 256
131.80.0.0/14 DoD Network Information Center   Whitehall 262,144
131.86.0.0/15 DoD Network Information Center   London 131,072
131.86.0.0/16 DoD Network Information Center   London 65,536
131.87.0.0/16 DoD Network Information Center   Whitehall 65,536
132.0.0.0/10 Air Force Systems Networking   Montgomery (Gunter Annex) 4,194,304
132.128.0.0/12 DoD Network Information Center   Sierra Vista (Fort Huachuca) 1,048,576
132.80.0.0/12 DoD Network Information Center   Sierra Vista (Fort Huachuca) 1,048,576
132.96.0.0/11 DoD Network Information Center   Sierra Vista (Fort Huachuca) 2,097,152
134.135.0.0/16 DoD Network Information Center   Whitehall 65,536
134.233.0.0/16 DoD Network Information Center   London 65,536
134.80.0.0/16 Rcc-C   Sierra Vista (Fort Huachuca) 65,536
IPv6 Prefixes for AS721
Network Location /64 Prefixes
2608:121::/32 DoD Network Information Center   Chicago 232