AS721 DoD Network Information Center in United States

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.

73,676,032 IP addresses

Network

ASN	721
Name	DNIC-ASBLK-00721-00726
Organization	DoD Network Information Center
Country	United States
Registry	ARIN

Details

IPv4 addresses	73,676,032
IPv6 /64 networks	0
Prefixes	275

Other ASN allocated to DoD Network Information Center

ASN	Name	IP addresses
306	DNIC-ASBLK-00306-00371	5,210,112
668	DNIC-AS-00668	3,007,488
27064	DNIC-ASBLK-27032-27159	1,932,800
5972	DNIC-ASBLK-05800-06055	1,774,080
647	DNIC-ASBLK-00616-00665	468,736
367	DNIC-ASBLK-00306-00371	462,592
357	DNIC-ASBLK-00306-00371	456,704
361	DNIC-ASBLK-00306-00371	393,728
27046	DNIC-ASBLK-27032-27159	327,424
6039	DNIC-ASBLK-05800-06055	300,288
326	DNIC-ASBLK-00306-00371	262,144
5180	DNIC-ASBLK-05120-05376	252,160
138	DNIC-AS-00138	234,752
637	DNIC-ASBLK-00616-00665	229,632
340	DNIC-ASBLK-00306-00371	221,440
1585	DNIC-ASBLK-01550-01601	214,272
1600	DNIC-ASBLK-01550-01601	198,656
665	DNIC-ASBLK-00616-00665	195,840
6035	DNIC-ASBLK-05800-06055	171,776
6041	DNIC-ASBLK-05800-06055	163,584
356	DNIC-ASBLK-00306-00371	151,808
362	DNIC-ASBLK-00306-00371	146,176
27066	DNIC-ASBLK-27032-27159	139,520
1580	DNIC-ASBLK-01550-01601	133,376
1778	DNIC-AS-01778	132,864
331	DNIC-ASBLK-00306-00371	132,608
347	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
351	DNIC-ASBLK-00306-00371	131,072
365	DNIC-ASBLK-00306-00371	131,072
27065	DNIC-ASBLK-27032-27159	118,784
5800	DNIC-ASBLK-05800-06055	101,120
5307	DNIC-ASBLK-05120-05376	100,864
300	DNIC-AS-00300	100,096
724	DNIC-ASBLK-00721-00726	99,072
335	DNIC-ASBLK-00306-00371	95,232
27086	DNIC-ASBLK-27032-27159	94,720
337	DNIC-ASBLK-00306-00371	87,552
140	DNIC-AS-00140	86,784
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
5237	DNIC-ASBLK-05120-05376	78,336
5974	DNIC-ASBLK-05800-06055	76,032
5961	DNIC-ASBLK-05800-06055	75,776
6042	DNIC-ASBLK-05800-06055	75,520
5953	DNIC-ASBLK-05800-06055	75,264
345	DNIC-ASBLK-00306-00371	75,008
369	DNIC-ASBLK-00306-00371	75,008
355	DNIC-ASBLK-00306-00371	74,752
348	DNIC-ASBLK-00306-00371	72,704
627	DNIC-ASBLK-00616-00665	72,448
316	DNIC-ASBLK-00306-00371	71,936
346	DNIC-ASBLK-00306-00371	71,680
350	DNIC-ASBLK-00306-00371	71,680
336	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
319	DNIC-ASBLK-00306-00371	67,584
342	DNIC-ASBLK-00306-00371	67,584
323	DNIC-ASBLK-00306-00371	67,584
687	DNIC-AS-00687	67,328
329	DNIC-ASBLK-00306-00371	67,328
352	DNIC-ASBLK-00306-00371	66,560
1569	DNIC-ASBLK-01550-01601	66,560
353	DNIC-ASBLK-00306-00371	66,304
339	DNIC-ASBLK-00306-00371	66,304
1959	DNIC-AS-01959	66,304
1562	DNIC-ASBLK-01550-01601	66,048
1559	DNIC-ASBLK-01550-01601	65,792
1565	DNIC-ASBLK-01550-01601	65,792
328	DNIC-ASBLK-00306-00371	65,792
5376	DNIC-ASBLK-05120-05376	65,536
1586	DNIC-ASBLK-01550-01601	65,536
5264	DNIC-ASBLK-05120-05376	65,536
5831	DNIC-ASBLK-05800-06055	65,536
1566	DNIC-ASBLK-01550-01601	65,536
6009	DNIC-ASBLK-05800-06055	65,536
325	DNIC-ASBLK-00306-00371	65,536
5976	DNIC-ASBLK-05800-06055	65,536
343	DNIC-ASBLK-00306-00371	65,536
364	DNIC-ASBLK-00306-00371	65,536
317	DNIC-ASBLK-00306-00371	65,536
307	DNIC-ASBLK-00306-00371	65,536
368	DNIC-ASBLK-00306-00371	65,536
359	DNIC-ASBLK-00306-00371	65,536
358	DNIC-ASBLK-00306-00371	65,536
371	DNIC-ASBLK-00306-00371	65,536
322	DNIC-ASBLK-00306-00371	65,536
327	DNIC-ASBLK-00306-00371	65,536
338	DNIC-ASBLK-00306-00371	65,536
27047	DNIC-ASBLK-27032-27159	58,624
571	DNIC-AS-00571	55,296
149	DNIC-AS-00149	52,992
5839	DNIC-ASBLK-05800-06055	45,312
1590	DNIC-ASBLK-01550-01601	39,168
27087	DNIC-ASBLK-27032-27159	38,400
5374	DNIC-ASBLK-05120-05376	35,072
2577	DNIC-AS-02577	34,816
1568	DNIC-ASBLK-01550-01601	33,280
6034	DNIC-ASBLK-05800-06055	31,488
6040	DNIC-ASBLK-05800-06055	27,136
5133	DNIC-ASBLK-05120-05376	24,320
310	DNIC-ASBLK-00306-00371	21,248
2046	DNIC-AS-02046	18,944
1551	DNIC-ASBLK-01550-01601	16,384
5306	DNIC-ASBLK-05120-05376	16,384
1567	DNIC-ASBLK-01550-01601	16,384
5842	DNIC-ASBLK-05800-06055	12,800
564	DNIC-AS-00564	11,520
27079	DNIC-ASBLK-27032-27159	10,496
27138	DNIC-ASBLK-27032-27159	9,728
1554	DNIC-ASBLK-01550-01601	9,728
121	DNIC-AS-00121	9,472
3474	DNIC-AS-03474	9,472
5323	DNIC-ASBLK-05120-05376	9,216
1208	DNIC-AS-01208	8,448
3473	DNIC-AS-03473	8,448
1733	DISACENT-NIPR-ASN	8,448
5956	DNIC-ASBLK-05800-06055	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
27051	DNIC-ASBLK-27032-27159	6,144
1599	DNIC-ASBLK-01550-01601	5,632
6045	DNIC-ASBLK-05800-06055	5,376
722	DNIC-ASBLK-00721-00726	5,120
27067	DNIC-ASBLK-27032-27159	5,120
1598	DNIC-ASBLK-01550-01601	5,120
295	USTCCLOUD	4,864
27137	DNIC-ASBLK-27032-27159	4,608
5341	DNIC-ASBLK-05120-05376	4,352
27069	DNIC-ASBLK-27032-27159	4,352
1904	DNIC-AS-01904	3,584
27080	DNIC-ASBLK-27032-27159	3,584
1591	DNIC-ASBLK-01550-01601	3,584
5927	DNIC-ASBLK-05800-06055	3,584
5994	DNIC-ASBLK-05800-06055	3,328
1913	DNIC-ASBLK-01910-01914	3,072
5182	DNIC-ASBLK-05120-05376	2,304
3954	DNIC-AS-03954	2,048
313	DNIC-ASBLK-00306-00371	2,048
2621	DNIC-AS-02621	2,048
616	DNIC-ASBLK-00616-00665	2,048
3471	DNIC-AS-03471	1,792
5852	DNIC-ASBLK-05800-06055	1,536
3472	DNIC-AS-03472	1,536
2629	DNIC-RAS-02629	1,280
27152	DNIC-ASBLK-27032-27159	1,280
309	DNIC-ASBLK-00306-00371	1,280
3541	DNIC-AS-03541	1,280
27033	DNIC-ASBLK-27032-27159	1,024
27044	DNIC-ASBLK-27032-27159	1,024
3544	DNIC-AS-03544	1,024
3538	DNIC-AS-03538	1,024
1918	DNIC-AS-01918	1,024
580	DNIC-AS-00580	1,024
664	DNIC-ASBLK-00616-00665	1,024
27034	DNIC-ASBLK-27032-27159	1,024
5853	DNIC-ASBLK-05800-06055	1,024
5819	DNIC-ASBLK-05800-06055	1,024
748	DNIC-AS-00748	1,024
5978	DNIC-ASBLK-05800-06055	1,024
27155	DNIC-ASBLK-27032-27159	1,024
5957	DNIC-ASBLK-05800-06055	768
5860	DNIC-ASBLK-05800-06055	768
27154	DNIC-ASBLK-27032-27159	768
5132	DNIC-ASBLK-05120-05376	768
5979	DNIC-ASBLK-05800-06055	768
5966	DNIC-ASBLK-05800-06055	768
552	DNIC-AS-00552	768
6006	DNIC-ASBLK-05800-06055	768
6002	DNIC-ASBLK-05800-06055	768
27149	DNIC-ASBLK-27032-27159	512
619	DNIC-ASBLK-00616-00665	512
1553	DNIC-ASBLK-01550-01601	512
308	DNIC-ASBLK-00306-00371	512
6012	DNIC-ASBLK-05800-06055	512
5370	DNIC-ASBLK-05120-05376	512
5329	DNIC-ASBLK-05120-05376	512
5958	DNIC-ASBLK-05800-06055	512
312	DNIC-ASBLK-00306-00371	256
27090	DNIC-ASBLK-27032-27159	256
27091	DNIC-ASBLK-27032-27159	256
27097	DNIC-ASBLK-27032-27159	256
5963	DNIC-ASBLK-05800-06055	256
56	DNIC-AS-00056	256
27156	DNIC-ASBLK-27032-27159	256
118	DNIC-AS-00118	256
311	DNIC-ASBLK-00306-00371	256
5265	DNIC-ASBLK-05120-05376	256
527	DNIC-AS-00527	256
27052	DNIC-ASBLK-27032-27159	256
1908	DNIC-AS-01908	256
1911	DNIC-ASBLK-01910-01914	256
5969	DNIC-ASBLK-05800-06055	256
147	DNIC-AS-00147	256
366	DNIC-ASBLK-00306-00371	0
27041	DNIC-ASBLK-27032-27159	0
5864	DNIC-ASBLK-05800-06055	0
5887	DNIC-ASBLK-05800-06055	0
6037	DNIC-ASBLK-05800-06055	0
5980	DNIC-ASBLK-05800-06055	0
514	DSADC-MECH	0
27096	DNIC-ASBLK-27032-27159	0
5368	DNIC-ASBLK-05120-05376	0
27139	DNIC-ASBLK-27032-27159	0

Prefixes for AS721

IPv4 addresses - showing the first 20 of 275 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