AS637

DoD Network Information Center

AS 637 DNIC-ASBLK-00616-00665

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.

1,036,288 IP addresses
ASN637
NameDNIC-ASBLK-00616-00665
OrganizationDoD Network Information Center
CountryUnited States  
RegistryARIN
IPv4 addresses1,036,288
IPv6 /64 networks0
Prefixes530
Other ASN allocated to DoD Network Information Center
ASN Name IP addresses
721 DNIC-ASBLK-00721-00726 73,135,616
306 DNIC-ASBLK-00306-00371 4,732,672
5972 AS5972 2,295,552
367 DNIC-ASBLK-00306-00371 2,291,968
27064 DNIC-ASBLK-27032-27159 1,664,256
357 DNIC-ASBLK-00306-00371 523,776
5852 DNIC-ASBLK-05800-06055 505,856
361 DNIC-ASBLK-00306-00371 460,288
647 DNIC-ASBLK-00616-00665 444,416
27046 DNIC-ASBLK-27032-27159 334,848
1554 DNIC-ASBLK-01550-01601 324,096
370 DNIC-ASBLK-00306-00371 299,008
5180 DNIC-ASBLK-05120-05376 271,872
5277 AS5277 266,496
335 DNIC-ASBLK-00306-00371 257,280
6039 AS6039 242,944
1600 DNIC-ASBLK-01550-01601 233,472
5371 AS5371 224,768
665 DNIC-ASBLK-00616-00665 219,648
340 DNIC-ASBLK-00306-00371 205,568
331 DNIC-ASBLK-00306-00371 197,120
6035 AS6035 167,680
350 DNIC-ASBLK-00306-00371 163,840
27142 DNIC-ASBLK-27032-27159 161,280
6041 AS6041 161,024
325 DNIC-ASBLK-00306-00371 160,000
362 DNIC-ASBLK-00306-00371 150,528
369 DNIC-ASBLK-00306-00371 144,128
356 DNIC-ASBLK-00306-00371 142,592
336 DNIC-ASBLK-00306-00371 139,008
368 DNIC-ASBLK-00306-00371 133,888
345 DNIC-ASBLK-00306-00371 133,632
341 DNIC-ASBLK-00306-00371 132,096
1556 DNIC-ASBLK-01550-01601 132,096
1580 DNIC-ASBLK-01550-01601 131,584
365 DNIC-ASBLK-00306-00371 131,328
5831 DNIC-ASBLK-05800-06055 131,328
1563 DNIC-ASBLK-01550-01601 131,328
355 DNIC-ASBLK-00306-00371 131,072
351 DNIC-ASBLK-00306-00371 131,072
360 DNIC-ASBLK-00306-00371 131,072
343 DNIC-ASBLK-00306-00371 131,072
344 DNIC-ASBLK-00306-00371 116,736
5307 AS5307 109,056
27086 DNIC-ASBLK-27032-27159 98,048
6026 AS6026 97,536
5974 AS5974 93,696
5374 AS5374 93,440
337 DNIC-ASBLK-00306-00371 85,760
5939 AS5939 82,432
6042 AS6042 81,408
5839 DNIC-ASBLK-05800-06055 80,384
334 DNIC-ASBLK-00306-00371 79,104
1561 DNIC-ASBLK-01550-01601 73,216
366 DNIC-ASBLK-00306-00371 72,192
371 DNIC-ASBLK-00306-00371 71,680
346 DNIC-ASBLK-00306-00371 70,144
317 DNIC-ASBLK-00306-00371 69,632
348 DNIC-ASBLK-00306-00371 69,376
321 DNIC-ASBLK-00306-00371 68,864
364 DNIC-ASBLK-00306-00371 68,608
316 DNIC-ASBLK-00306-00371 68,608
329 DNIC-ASBLK-00306-00371 68,096
319 DNIC-ASBLK-00306-00371 68,096
347 DNIC-ASBLK-00306-00371 67,840
342 DNIC-ASBLK-00306-00371 67,840
328 DNIC-ASBLK-00306-00371 67,072
1559 DNIC-ASBLK-01550-01601 66,816
324 DNIC-ASBLK-00306-00371 66,816
352 DNIC-ASBLK-00306-00371 66,560
338 DNIC-ASBLK-00306-00371 66,560
320 DNIC-ASBLK-00306-00371 66,560
339 DNIC-ASBLK-00306-00371 66,304
1555 DNIC-ASBLK-01550-01601 66,048
327 DNIC-ASBLK-00306-00371 66,048
323 DNIC-ASBLK-00306-00371 65,792
322 DNIC-ASBLK-00306-00371 65,792
6009 AS6009 65,536
359 DNIC-ASBLK-00306-00371 65,536
5264 AS5264 65,536
353 DNIC-ASBLK-00306-00371 65,536
5376 AS5376 65,536
358 DNIC-ASBLK-00306-00371 65,536
27066 DNIC-ASBLK-27032-27159 37,888
27138 DNIC-ASBLK-27032-27159 37,376
27087 DNIC-ASBLK-27032-27159 36,608
326 DNIC-ASBLK-00306-00371 35,328
1590 DNIC-ASBLK-01550-01601 34,560
27065 DNIC-ASBLK-27032-27159 33,792
1565 DNIC-ASBLK-01550-01601 33,024
1568 DNIC-ASBLK-01550-01601 32,768
5133 DNIC-ASBLK-05120-05376 23,808
6034 AS6034 18,944
6040 AS6040 18,688
1567 DNIC-ASBLK-01550-01601 18,432
27047 DNIC-ASBLK-27032-27159 15,872
5842 DNIC-ASBLK-05800-06055 13,312
27137 DNIC-ASBLK-27032-27159 9,984
722 DNIC-ASBLK-00721-00726 9,472
634 DNIC-ASBLK-00616-00665 8,960
27079 DNIC-ASBLK-27032-27159 8,960
27139 DNIC-ASBLK-27032-27159 8,192
627 DNIC-ASBLK-00616-00665 7,168
636 DNIC-ASBLK-00616-00665 6,656
5927 DNIC-ASBLK-05800-06055 6,144
27069 DNIC-ASBLK-27032-27159 5,888
5982 AS5982 4,352
349 DNIC-ASBLK-00306-00371 3,840
1585 DNIC-ASBLK-01550-01601 2,816
5182 DNIC-ASBLK-05120-05376 2,304
5237 DNIC-ASBLK-05120-05376 1,536
664 DNIC-ASBLK-00616-00665 1,024
5957 AS5957 1,024
5978 AS5978 1,024
5860 DNIC-ASBLK-05800-06055 512
1911 DNIC-ASBLK-01910-01914 512
5958 AS5958 512
6006 AS6006 512
5284 AS5284 512
1562 DNIC-ASBLK-01550-01601 512
619 DNIC-ASBLK-00616-00665 512
27149 DNIC-ASBLK-27032-27159 512
5329 AS5329 512
27135 DNIC-ASBLK-27032-27159 256
656 DNIC-ASBLK-00616-00665 256
1553 DNIC-ASBLK-01550-01601 256
27154 DNIC-ASBLK-27032-27159 256
27132 DNIC-ASBLK-27032-27159 256
27041 DNIC-ASBLK-27032-27159 0
27038 DNIC-ASBLK-27032-27159 0
27033 DNIC-ASBLK-27032-27159 0
6045 DNIC-ASBLK-05800-06055 0
6043 AS6043 0
27040 DNIC-ASBLK-27032-27159 0
311 DNIC-ASBLK-00306-00371 0
312 DNIC-ASBLK-00306-00371 0
313 DNIC-ASBLK-00306-00371 0
6037 DNIC-ASBLK-05800-06055 0
310 DNIC-ASBLK-00306-00371 0
5994 DNIC-ASBLK-05800-06055 0
27152 DNIC-ASBLK-27032-27159 0
616 DNIC-ASBLK-00616-00665 0
307 DNIC-ASBLK-00306-00371 0
27131 DNIC-ASBLK-27032-27159 0
27126 DNIC-ASBLK-27032-27159 0
27120 DNIC-ASBLK-27032-27159 0
27090 DNIC-ASBLK-27032-27159 0
308 DNIC-ASBLK-00306-00371 0
724 DNIC-ASBLK-00721-00726 0
1551 DNIC-ASBLK-01550-01601 0
309 DNIC-ASBLK-00306-00371 0
27056 DNIC-ASBLK-27032-27159 0
27052 DNIC-ASBLK-27032-27159 0
27051 DNIC-ASBLK-27032-27159 0
27156 DNIC-ASBLK-27032-27159 0
1566 DNIC-ASBLK-01550-01601 0
1569 DNIC-ASBLK-01550-01601 0
1913 DNIC-ASBLK-01910-01914 0
5887 DNIC-ASBLK-05800-06055 0
5864 DNIC-ASBLK-05800-06055 0
5853 DNIC-ASBLK-05800-06055 0
3666 DNIC-ASBLK-03664-03667 0
4221 DNIC-ASBLK-04214-04221 0
5132 DNIC-ASBLK-05120-05376 0
5819 DNIC-ASBLK-05800-06055 0
5800 DNIC-ASBLK-05800-06055 0
5219 DNIC-ASBLK-05120-05376 0
5231 DNIC-ASBLK-05120-05376 0
5370 DNIC-ASBLK-05120-05376 0
5368 DNIC-ASBLK-05120-05376 0
5341 DNIC-ASBLK-05120-05376 0
5323 DNIC-ASBLK-05120-05376 0
5265 DNIC-ASBLK-05120-05376 0
5953 DNIC-ASBLK-05800-06055 0
5956 DNIC-ASBLK-05800-06055 0
5961 DNIC-ASBLK-05800-06055 0
6025 AS6025 0
6022 DNIC-ASBLK-05800-06055 0
6012 DNIC-ASBLK-05800-06055 0
1586 DNIC-ASBLK-01550-01601 0
6004 AS6004 0
6002 AS6002 0
6000 DNIC-ASBLK-05800-06055 0
1591 DNIC-ASBLK-01550-01601 0
5980 AS5980 0
5979 DNIC-ASBLK-05800-06055 0
5976 DNIC-ASBLK-05800-06055 0
1598 DNIC-ASBLK-01550-01601 0
1599 DNIC-ASBLK-01550-01601 0
5969 AS5969 0
5966 DNIC-ASBLK-05800-06055 0
5963 DNIC-ASBLK-05800-06055 0
5306 AS5306 0
IPv4 Prefixes for AS637 - showing the first 20 of 530 networks
Network Location Addresses
137.232.161.0/24 United States Department of Defense (DoD)   Columbus 256
137.232.194.0/24 DoD Network Information Center   Columbus 256
137.233.5.0/24 United States Department of Defense (DoD)   Columbus 256
137.234.0.0/24 DoD Network Information Center   Chiyoda City 256
137.234.110.0/24 DoD Network Information Center   Chiyoda City 256
137.234.128.0/22 DoD Network Information Center   Columbus 1,024
137.234.132.0/22 DoD Network Information Center   Chiyoda City 1,024
137.234.137.0/24 DoD Network Information Center   Chiyoda City 256
137.234.139.0/24 DoD Network Information Center   Columbus 256
137.234.140.0/24 DoD Network Information Center   Chiyoda City 256
137.234.156.0/22 DoD Network Information Center   Chiyoda City 1,024
137.234.181.0/24 DoD Network Information Center   Honolulu 256
137.234.183.0/24 DoD Network Information Center   Columbus 256
137.234.192.0/22 DoD Network Information Center   Chiyoda City 1,024
137.234.2.0/23 DoD Network Information Center   Chiyoda City 512
137.234.200.0/22 DoD Network Information Center   Chiyoda City 1,024
137.234.204.0/24 DoD Network Information Center   Chiyoda City 256
137.234.205.0/24 DoD Network Information Center   Chiyoda City 256
137.234.249.0/24 DoD Network Information Center   Chiyoda City 256
137.234.80.0/22 DoD Network Information Center   Chiyoda City 1,024