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.

73,807,360 IP addresses
ASN721
NameDNIC-ASBLK-00721-00726
OrganizationDoD Network Information Center
CountryUnited States  
RegistryARIN
IPv4 addresses73,807,360
IPv6 /64 networks232
Prefixes278
Other ASN allocated to DoD Network Information Center
ASN Name IP addresses
306 DNIC-ASBLK-00306-00371 5,209,088
668 DNIC-AS-00668 2,938,112
5972 DNIC-ASBLK-05800-06055 1,803,520
27064 DNIC-ASBLK-27032-27159 1,563,392
367 DNIC-ASBLK-00306-00371 464,384
357 DNIC-ASBLK-00306-00371 456,704
647 DNIC-ASBLK-00616-00665 438,528
361 DNIC-ASBLK-00306-00371 393,728
27046 DNIC-ASBLK-27032-27159 327,424
6039 DNIC-ASBLK-05800-06055 300,800
1600 DNIC-ASBLK-01550-01601 264,192
326 DNIC-ASBLK-00306-00371 262,144
665 DNIC-ASBLK-00616-00665 261,376
5180 DNIC-ASBLK-05120-05376 256,256
637 DNIC-ASBLK-00616-00665 232,704
340 DNIC-ASBLK-00306-00371 221,440
1585 DNIC-ASBLK-01550-01601 214,272
138 DNIC-AS-00138 214,272
6035 DNIC-ASBLK-05800-06055 174,336
6041 DNIC-ASBLK-05800-06055 163,584
356 DNIC-ASBLK-00306-00371 157,696
362 DNIC-ASBLK-00306-00371 154,112
27066 DNIC-ASBLK-27032-27159 137,216
1580 DNIC-ASBLK-01550-01601 133,376
1778 DNIC-AS-01778 132,864
347 DNIC-ASBLK-00306-00371 132,608
331 DNIC-ASBLK-00306-00371 132,608
1556 DNIC-ASBLK-01550-01601 132,096
341 DNIC-ASBLK-00306-00371 132,096
1563 DNIC-ASBLK-01550-01601 131,328
365 DNIC-ASBLK-00306-00371 131,072
351 DNIC-ASBLK-00306-00371 131,072
27065 DNIC-ASBLK-27032-27159 101,632
5307 DNIC-ASBLK-05120-05376 101,120
5800 DNIC-ASBLK-05800-06055 99,328
724 DNIC-ASBLK-00721-00726 99,072
300 DNIC-AS-00300 96,000
335 DNIC-ASBLK-00306-00371 94,976
5953 DNIC-ASBLK-05800-06055 90,368
140 DNIC-AS-00140 88,832
337 DNIC-ASBLK-00306-00371 87,552
27142 DNIC-ASBLK-27032-27159 86,272
6025 DNIC-ASBLK-05800-06055 82,944
5939 DNIC-ASBLK-05800-06055 82,432
320 DNIC-ASBLK-00306-00371 82,176
370 DNIC-ASBLK-00306-00371 80,896
6026 DNIC-ASBLK-05800-06055 80,896
334 DNIC-ASBLK-00306-00371 78,592
5974 DNIC-ASBLK-05800-06055 76,032
5961 DNIC-ASBLK-05800-06055 75,776
368 DNIC-ASBLK-00306-00371 75,520
345 DNIC-ASBLK-00306-00371 75,008
369 DNIC-ASBLK-00306-00371 74,752
355 DNIC-ASBLK-00306-00371 74,752
6042 DNIC-ASBLK-05800-06055 73,472
627 DNIC-ASBLK-00616-00665 72,448
316 DNIC-ASBLK-00306-00371 72,192
348 DNIC-ASBLK-00306-00371 72,192
336 DNIC-ASBLK-00306-00371 71,680
346 DNIC-ASBLK-00306-00371 71,680
350 DNIC-ASBLK-00306-00371 71,680
332 DNIC-ASBLK-00306-00371 70,912
1555 DNIC-ASBLK-01550-01601 70,656
344 DNIC-ASBLK-00306-00371 70,400
349 DNIC-ASBLK-00306-00371 69,376
324 DNIC-ASBLK-00306-00371 69,120
321 DNIC-ASBLK-00306-00371 68,352
360 DNIC-ASBLK-00306-00371 68,096
323 DNIC-ASBLK-00306-00371 67,584
319 DNIC-ASBLK-00306-00371 67,584
342 DNIC-ASBLK-00306-00371 67,584
329 DNIC-ASBLK-00306-00371 67,328
687 DNIC-AS-00687 67,328
352 DNIC-ASBLK-00306-00371 66,560
1569 DNIC-ASBLK-01550-01601 66,560
338 DNIC-ASBLK-00306-00371 66,560
339 DNIC-ASBLK-00306-00371 66,304
1959 DNIC-AS-01959 66,304
353 DNIC-ASBLK-00306-00371 66,304
1562 DNIC-ASBLK-01550-01601 66,048
1559 DNIC-ASBLK-01550-01601 65,792
328 DNIC-ASBLK-00306-00371 65,792
1565 DNIC-ASBLK-01550-01601 65,792
6009 DNIC-ASBLK-05800-06055 65,792
327 DNIC-ASBLK-00306-00371 65,536
1566 DNIC-ASBLK-01550-01601 65,536
322 DNIC-ASBLK-00306-00371 65,536
358 DNIC-ASBLK-00306-00371 65,536
5831 DNIC-ASBLK-05800-06055 65,536
364 DNIC-ASBLK-00306-00371 65,536
5376 DNIC-ASBLK-05120-05376 65,536
325 DNIC-ASBLK-00306-00371 65,536
307 DNIC-ASBLK-00306-00371 65,536
1586 DNIC-ASBLK-01550-01601 65,536
5264 DNIC-ASBLK-05120-05376 65,536
359 DNIC-ASBLK-00306-00371 65,536
366 DNIC-ASBLK-00306-00371 65,536
371 DNIC-ASBLK-00306-00371 65,536
317 DNIC-ASBLK-00306-00371 65,536
5976 DNIC-ASBLK-05800-06055 65,536
343 DNIC-ASBLK-00306-00371 65,536
27086 DNIC-ASBLK-27032-27159 62,976
27047 DNIC-ASBLK-27032-27159 58,624
571 DNIC-AS-00571 55,296
149 DNIC-AS-00149 52,992
5237 DNIC-ASBLK-05120-05376 45,824
5839 DNIC-ASBLK-05800-06055 44,544
1590 DNIC-ASBLK-01550-01601 39,168
27087 DNIC-ASBLK-27032-27159 38,656
5374 DNIC-ASBLK-05120-05376 35,072
2577 DNIC-AS-02577 34,816
1568 DNIC-ASBLK-01550-01601 33,024
6034 DNIC-ASBLK-05800-06055 30,464
6040 DNIC-ASBLK-05800-06055 27,136
5133 DNIC-ASBLK-05120-05376 24,320
310 DNIC-ASBLK-00306-00371 19,968
2046 DNIC-AS-02046 18,944
564 DNIC-AS-00564 17,408
5306 DNIC-ASBLK-05120-05376 16,384
1567 DNIC-ASBLK-01550-01601 16,384
1551 DNIC-ASBLK-01550-01601 16,384
5842 DNIC-ASBLK-05800-06055 12,800
27138 DNIC-ASBLK-27032-27159 12,288
1554 DNIC-ASBLK-01550-01601 9,728
3473 DNIC-AS-03473 9,728
121 DNIC-AS-00121 9,472
3474 DNIC-AS-03474 8,960
27079 DNIC-ASBLK-27032-27159 8,960
5956 DNIC-ASBLK-05800-06055 8,448
1733 DISACENT-NIPR-ASN 8,448
1208 DNIC-AS-01208 8,448
273 DNIC-AS-00273 8,192
518 DNIC-AS-00518 8,192
228 DNIC-AS-00228 8,192
27085 DNIC-ASBLK-27032-27159 7,424
27153 DNIC-ASBLK-27032-27159 6,912
5982 DNIC-ASBLK-05800-06055 6,144
1599 DNIC-ASBLK-01550-01601 5,376
6045 DNIC-ASBLK-05800-06055 5,376
1598 DNIC-ASBLK-01550-01601 5,376
722 DNIC-ASBLK-00721-00726 5,120
27067 DNIC-ASBLK-27032-27159 4,864
295 USTCCLOUD 4,864
5852 DNIC-ASBLK-05800-06055 4,608
27069 DNIC-ASBLK-27032-27159 4,352
27080 DNIC-ASBLK-27032-27159 3,584
5927 DNIC-ASBLK-05800-06055 3,584
1904 DNIC-AS-01904 3,584
1591 DNIC-ASBLK-01550-01601 3,584
5994 DNIC-ASBLK-05800-06055 3,328
27137 DNIC-ASBLK-27032-27159 3,328
1913 DNIC-ASBLK-01910-01914 3,072
5323 DNIC-ASBLK-05120-05376 2,560
27051 DNIC-ASBLK-27032-27159 2,304
5182 DNIC-ASBLK-05120-05376 2,304
313 DNIC-ASBLK-00306-00371 2,048
2621 DNIC-AS-02621 2,048
3954 DNIC-AS-03954 2,048
3471 DNIC-AS-03471 1,792
616 DNIC-ASBLK-00616-00665 1,792
3472 DNIC-AS-03472 1,792
27059 DNIC-ASBLK-27032-27159 1,792
5341 DNIC-ASBLK-05120-05376 1,536
27152 DNIC-ASBLK-27032-27159 1,536
3541 DNIC-AS-03541 1,280
309 DNIC-ASBLK-00306-00371 1,280
2629 DNIC-RAS-02629 1,280
27155 DNIC-ASBLK-27032-27159 1,024
580 DNIC-AS-00580 1,024
27033 DNIC-ASBLK-27032-27159 1,024
27034 DNIC-ASBLK-27032-27159 1,024
27044 DNIC-ASBLK-27032-27159 1,024
664 DNIC-ASBLK-00616-00665 1,024
5935 DNIC-ASBLK-05800-06055 1,024
3538 DNIC-AS-03538 1,024
5978 DNIC-ASBLK-05800-06055 1,024
748 DNIC-AS-00748 1,024
5853 DNIC-ASBLK-05800-06055 1,024
1918 DNIC-AS-01918 1,024
3544 DNIC-AS-03544 1,024
5979 DNIC-ASBLK-05800-06055 768
5132 DNIC-ASBLK-05120-05376 768
5966 DNIC-ASBLK-05800-06055 768
552 DNIC-AS-00552 768
5819 DNIC-ASBLK-05800-06055 768
1911 DNIC-ASBLK-01910-01914 768
5957 DNIC-ASBLK-05800-06055 768
27154 DNIC-ASBLK-27032-27159 768
6002 DNIC-ASBLK-05800-06055 768
6006 DNIC-ASBLK-05800-06055 768
27090 DNIC-ASBLK-27032-27159 512
308 DNIC-ASBLK-00306-00371 512
619 DNIC-ASBLK-00616-00665 512
6012 DNIC-ASBLK-05800-06055 512
5052 DNIC-AS-05052 512
5860 DNIC-ASBLK-05800-06055 512
27139 DNIC-ASBLK-27032-27159 512
1553 DNIC-ASBLK-01550-01601 512
5329 DNIC-ASBLK-05120-05376 512
5958 DNIC-ASBLK-05800-06055 512
5370 DNIC-ASBLK-05120-05376 512
27149 DNIC-ASBLK-27032-27159 512
56 DNIC-AS-00056 256
27097 DNIC-ASBLK-27032-27159 256
1908 DNIC-AS-01908 256
5265 DNIC-ASBLK-05120-05376 256
27091 DNIC-ASBLK-27032-27159 256
147 DNIC-AS-00147 256
312 DNIC-ASBLK-00306-00371 256
5963 DNIC-ASBLK-05800-06055 256
27052 DNIC-ASBLK-27032-27159 256
311 DNIC-ASBLK-00306-00371 256
527 DNIC-AS-00527 256
118 DNIC-AS-00118 256
5969 DNIC-ASBLK-05800-06055 256
5980 DNIC-ASBLK-05800-06055 0
5368 DNIC-ASBLK-05120-05376 0
6037 DNIC-ASBLK-05800-06055 0
5887 DNIC-ASBLK-05800-06055 0
27041 DNIC-ASBLK-27032-27159 0
27096 DNIC-ASBLK-27032-27159 0
514 DSADC-MECH 0
5864 DNIC-ASBLK-05800-06055 0
27156 DNIC-ASBLK-27032-27159 0
IPv4 Prefixes for AS721 - showing the first 20 of 277 networks
Network Location Addresses
130.22.0.0/16 DoD Network Information Center   Charlotte 65,536
131.16.0.0/16 DoD Network Information Center   Montgomery (Gunter Annex) 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 (Gunter Annex) 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   Columbus (East Columbus) 131,072
131.76.0.0/14 DoD Network Information Center   Chicago 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   Columbus (East Columbus) 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   Chicago 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   Chicago 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