AS Number
AS0
AS Name
DNIC-ASBLK-01534-01546
Org Name
Headquarters, USAISC
Registry

arin

RegDate

1990-03-26

Updated

2025-03-13

AS1540 Looking Glass
IPv4Prefixes

298

IPv6Prefixes

4

IPv4 NUMs

1,019,904

IPv6 NUMs(/64)

262,144

1,019,904 IPv4 Addresses
CIDR Description IP Num
6.16.70.0/24
Headquarters, USAISC 256
6.16.71.0/24
Headquarters, USAISC 256
6.16.80.0/24
Headquarters, USAISC 256
6.16.81.0/24
Headquarters, USAISC 256
6.16.90.0/24
Headquarters, USAISC 256
6.16.91.0/24
Headquarters, USAISC 256
6.68.0.0/16
Headquarters, USAISC 65536
6.72.0.0/20
Headquarters, USAISC 4096
6.72.254.0/23
Headquarters, USAISC 512
6.73.193.0/24
Headquarters, USAISC 256
6.73.194.0/24
Headquarters, USAISC 256
6.73.195.0/24
Headquarters, USAISC 256
6.73.196.0/24
Headquarters, USAISC 256
6.73.209.0/24
Headquarters, USAISC 256
6.73.220.0/23
Headquarters, USAISC 512
6.73.222.0/24
Headquarters, USAISC 256
6.73.224.0/23
Headquarters, USAISC 512
6.73.226.0/23
Headquarters, USAISC 512
6.73.228.0/23
Headquarters, USAISC 512
6.73.230.0/23
Headquarters, USAISC 512
6.73.232.0/23
Headquarters, USAISC 512
6.73.234.0/23
Headquarters, USAISC 512
6.73.236.0/23
Headquarters, USAISC 512
6.73.238.0/23
Headquarters, USAISC 512
6.73.240.0/23
Headquarters, USAISC 512
6.73.242.0/23
Headquarters, USAISC 512
6.73.244.0/23
Headquarters, USAISC 512
6.73.246.0/23
Headquarters, USAISC 512
6.73.248.0/23
Headquarters, USAISC 512
6.73.250.0/23
Headquarters, USAISC 512
6.73.252.0/24
Headquarters, USAISC 256
6.73.253.0/24
Headquarters, USAISC 256
6.75.0.0/23
Headquarters, USAISC 512
6.75.2.0/23
Headquarters, USAISC 512
6.75.4.0/23
Headquarters, USAISC 512
6.75.6.0/23
Headquarters, USAISC 512
6.75.10.0/23
Headquarters, USAISC 512
6.75.12.0/23
Headquarters, USAISC 512
6.75.14.0/23
Headquarters, USAISC 512
6.75.16.0/23
Headquarters, USAISC 512
6.75.18.0/23
Headquarters, USAISC 512
6.75.20.0/23
Headquarters, USAISC 512
6.75.22.0/23
Headquarters, USAISC 512
6.75.24.0/23
Headquarters, USAISC 512
6.75.26.0/23
Headquarters, USAISC 512
6.75.28.0/23
Headquarters, USAISC 512
6.75.30.0/23
Headquarters, USAISC 512
6.75.32.0/23
Headquarters, USAISC 512
6.75.40.0/23
Headquarters, USAISC 512
6.75.42.0/23
Headquarters, USAISC 512
6.75.64.0/23
Headquarters, USAISC 512
6.75.66.0/23
Headquarters, USAISC 512
6.75.78.0/24
Headquarters, USAISC 256
6.75.80.0/23
Headquarters, USAISC 512
6.75.82.0/23
Headquarters, USAISC 512
6.75.84.0/23
Headquarters, USAISC 512
6.75.86.0/23
Headquarters, USAISC 512
6.75.95.0/24
Headquarters, USAISC 256
6.75.98.0/23
Headquarters, USAISC 512
6.75.100.0/23
Headquarters, USAISC 512
6.79.32.0/21
Headquarters, USAISC 2048
6.130.14.0/24
Headquarters, USAISC 256
6.130.28.0/24
Headquarters, USAISC 256
6.130.29.0/24
Headquarters, USAISC 256
6.130.30.0/24
Headquarters, USAISC 256
6.130.38.0/24
Headquarters, USAISC 256
6.130.39.0/24
Headquarters, USAISC 256
6.130.41.0/24
Headquarters, USAISC 256
6.130.42.0/24
Headquarters, USAISC 256
6.131.146.0/24
Headquarters, USAISC 256
6.131.147.0/24
Headquarters, USAISC 256
6.131.148.0/22
Headquarters, USAISC 1024
132.140.0.0/24
Headquarters, USAISC 256
138.27.0.0/24
Headquarters, USAISC 256
138.27.0.0/16
Headquarters, USAISC 65536
139.231.0.0/24
Headquarters, USAISC 256
139.231.0.0/16
Headquarters, USAISC 65536
140.153.43.0/24
Headquarters, USAISC 256
140.153.70.0/24
Headquarters, USAISC 256
140.153.179.0/24
Headquarters, USAISC 256
140.153.234.0/24
Headquarters, USAISC 256
140.187.200.0/24
Headquarters, USAISC 256
140.196.0.0/24
Headquarters, USAISC 256
140.196.0.0/16
Headquarters, USAISC 65536
140.202.0.0/24
Headquarters, USAISC 256
140.202.0.0/16
Headquarters, USAISC 65536
141.107.40.0/24
Headquarters, USAISC 256
143.68.192.0/21
Headquarters, USAISC 2048
143.68.193.0/24
Headquarters, USAISC 256
143.68.194.0/24
Headquarters, USAISC 256
143.68.195.0/24
Headquarters, USAISC 256
143.68.196.0/23
Headquarters, USAISC 512
143.68.199.0/24
Headquarters, USAISC 256
143.68.200.0/21
Headquarters, USAISC 2048
143.68.207.0/24
Headquarters, USAISC 256
143.69.83.0/24
Headquarters, USAISC 256
143.74.42.0/24
Headquarters, USAISC 256
143.74.250.0/24
Headquarters, USAISC 256
143.76.224.0/24
Headquarters, USAISC 256
143.76.227.0/24
Headquarters, USAISC 256
143.82.50.0/23
Headquarters, USAISC 512
143.82.194.0/24
Headquarters, USAISC 256
143.84.43.0/24
Headquarters, USAISC 256
143.84.44.0/24
Headquarters, USAISC 256
143.84.45.0/24
Headquarters, USAISC 256
143.84.68.0/24
Headquarters, USAISC 256
143.84.74.0/24
Headquarters, USAISC 256
143.84.165.0/24
Headquarters, USAISC 256
143.84.167.0/24
Headquarters, USAISC 256
143.84.169.0/24
Headquarters, USAISC 256
143.84.229.0/24
Headquarters, USAISC 256
143.84.237.0/24
Headquarters, USAISC 256
143.86.0.0/21
Headquarters, USAISC 2048
143.86.8.0/22
Headquarters, USAISC 1024
143.86.80.0/22
Headquarters, USAISC 1024
143.86.80.0/20
Headquarters, USAISC 4096
143.86.182.0/24
Headquarters, USAISC 256
143.86.220.0/24
Headquarters, USAISC 256
143.249.90.0/24
Headquarters, USAISC 256
143.249.168.0/21
Headquarters, USAISC 2048
144.101.99.0/24
Headquarters, USAISC 256
144.101.110.0/24
Headquarters, USAISC 256
144.101.114.0/24
Headquarters, USAISC 256
144.101.116.0/24
Headquarters, USAISC 256
144.101.161.0/24
Headquarters, USAISC 256
144.101.162.0/24
Headquarters, USAISC 256
144.104.74.0/24
Headquarters, USAISC 256
144.104.75.0/24
Headquarters, USAISC 256
144.104.76.0/24
Headquarters, USAISC 256
144.104.77.0/24
Headquarters, USAISC 256
144.105.0.0/22
Headquarters, USAISC 1024
144.105.6.0/23
Headquarters, USAISC 512
144.105.15.0/24
Headquarters, USAISC 256
144.105.119.0/24
Headquarters, USAISC 256
144.107.68.0/24
Headquarters, USAISC 256
144.107.69.0/24
Headquarters, USAISC 256
144.107.70.0/24
Headquarters, USAISC 256
144.107.108.0/23
Headquarters, USAISC 512
144.147.0.0/24
Headquarters, USAISC 256
144.147.0.0/16
Headquarters, USAISC 65536
144.246.190.0/24
Headquarters, USAISC 256
146.16.32.0/20
Headquarters, USAISC 4096
146.16.45.0/24
Headquarters, USAISC 256
146.16.46.0/24
Headquarters, USAISC 256
146.16.120.0/22
Headquarters, USAISC 1024
146.16.126.0/23
Headquarters, USAISC 512
146.16.141.0/24
Headquarters, USAISC 256
146.16.142.0/23
Headquarters, USAISC 512
146.16.143.0/24
Headquarters, USAISC 256
147.104.90.0/23
Headquarters, USAISC 512
147.104.96.0/22
Headquarters, USAISC 1024
147.238.1.0/24
Headquarters, USAISC 256
150.180.0.0/24
Headquarters, USAISC 256
150.180.0.0/16
Headquarters, USAISC 65536
150.180.252.0/24
Headquarters, USAISC 256
150.192.0.0/24
Headquarters, USAISC 256
150.192.0.0/16
Headquarters, USAISC 65536
150.192.1.0/24
Headquarters, USAISC 256
150.192.8.0/24
Headquarters, USAISC 256
150.192.32.0/24
Headquarters, USAISC 256
150.192.33.0/24
Headquarters, USAISC 256
150.192.34.0/24
Headquarters, USAISC 256
150.192.35.0/24
Headquarters, USAISC 256
150.192.36.0/24
Headquarters, USAISC 256
150.192.37.0/24
Headquarters, USAISC 256
150.192.44.0/24
Headquarters, USAISC 256
150.192.49.0/24
Headquarters, USAISC 256
150.192.50.0/23
Headquarters, USAISC 512
150.192.54.0/24
Headquarters, USAISC 256
150.192.60.0/23
Headquarters, USAISC 512
150.192.62.0/23
Headquarters, USAISC 512
150.192.70.0/23
Headquarters, USAISC 512
150.192.92.0/24
Headquarters, USAISC 256
150.192.96.0/24
Headquarters, USAISC 256
150.192.99.0/24
Headquarters, USAISC 256
150.192.100.0/24
Headquarters, USAISC 256
150.192.101.0/24
Headquarters, USAISC 256
150.192.107.0/24
Headquarters, USAISC 256
150.192.112.0/23
Headquarters, USAISC 512
150.192.114.0/23
Headquarters, USAISC 512
150.192.116.0/23
Headquarters, USAISC 512
150.192.118.0/23
Headquarters, USAISC 512
150.192.120.0/23
Headquarters, USAISC 512
150.192.122.0/23
Headquarters, USAISC 512
150.192.124.0/23
Headquarters, USAISC 512
150.192.126.0/23
Headquarters, USAISC 512
150.192.130.0/23
Headquarters, USAISC 512
150.192.220.0/24
Headquarters, USAISC 256
150.192.230.0/24
Headquarters, USAISC 256
150.192.240.0/22
Headquarters, USAISC 1024
150.192.244.0/24
Headquarters, USAISC 256
150.193.0.0/24
Headquarters, USAISC 256
150.193.0.0/16
Headquarters, USAISC 65536
155.19.160.0/19
Headquarters, USAISC 8192
155.21.174.0/23
Headquarters, USAISC 512
155.21.178.0/23
Headquarters, USAISC 512
155.21.188.0/23
Headquarters, USAISC 512
155.26.196.0/24
Headquarters, USAISC 256
155.29.40.0/23
Headquarters, USAISC 512
155.29.42.0/23
Headquarters, USAISC 512
155.29.44.0/24
Headquarters, USAISC 256
155.29.45.0/24
Headquarters, USAISC 256
155.29.46.0/24
Headquarters, USAISC 256
155.29.47.0/24
Headquarters, USAISC 256
155.29.56.0/21
Headquarters, USAISC 2048
155.29.68.0/24
Headquarters, USAISC 256
155.29.69.0/24
Headquarters, USAISC 256
155.29.70.0/23
Headquarters, USAISC 512
155.29.132.0/24
Headquarters, USAISC 256
155.29.133.0/24
Headquarters, USAISC 256
155.29.134.0/24
Headquarters, USAISC 256
155.29.165.0/24
Headquarters, USAISC 256
155.29.241.0/24
Headquarters, USAISC 256
155.30.48.0/23
Headquarters, USAISC 512
155.152.218.0/24
Headquarters, USAISC 256
155.213.24.0/21
Headquarters, USAISC 2048
155.213.240.0/21
Headquarters, USAISC 2048
155.214.0.0/17
Headquarters, USAISC 32768
155.214.128.0/17
Headquarters, USAISC 32768
155.214.206.0/24
Headquarters, USAISC 256
155.214.207.0/24
Headquarters, USAISC 256
158.1.0.0/18
Headquarters, USAISC 16384
158.1.120.0/24
Headquarters, USAISC 256
158.1.130.0/24
Headquarters, USAISC 256
158.1.132.0/24
Headquarters, USAISC 256
158.1.133.0/24
Headquarters, USAISC 256
158.1.135.0/24
Headquarters, USAISC 256
158.1.136.0/24
Headquarters, USAISC 256
158.1.137.0/24
Headquarters, USAISC 256
158.1.138.0/24
Headquarters, USAISC 256
158.4.0.0/17
Headquarters, USAISC 32768
158.4.128.0/17
Headquarters, USAISC 32768
158.9.94.0/24
Headquarters, USAISC 256
158.9.127.0/24
Headquarters, USAISC 256
158.9.148.0/24
Headquarters, USAISC 256
158.9.199.0/24
Headquarters, USAISC 256
158.9.200.0/24
Headquarters, USAISC 256
158.9.201.0/24
Headquarters, USAISC 256
158.11.55.0/24
Headquarters, USAISC 256
158.11.57.0/24
Headquarters, USAISC 256
158.11.58.0/24
Headquarters, USAISC 256
158.11.76.0/24
Headquarters, USAISC 256
158.11.76.0/23
Headquarters, USAISC 512
158.11.78.0/23
Headquarters, USAISC 512
158.11.83.0/24
Headquarters, USAISC 256
158.11.85.0/24
Headquarters, USAISC 256
158.11.86.0/24
Headquarters, USAISC 256
158.11.90.0/24
Headquarters, USAISC 256
158.11.136.0/21
Headquarters, USAISC 2048
158.13.120.0/21
Headquarters, USAISC 2048
158.13.128.0/21
Headquarters, USAISC 2048
158.16.0.0/24
Headquarters, USAISC 256
158.16.0.0/20
Headquarters, USAISC 4096
158.16.0.0/16
Headquarters, USAISC 65536
158.16.16.0/24
Headquarters, USAISC 256
158.16.24.0/21
Headquarters, USAISC 2048
158.16.48.0/23
Headquarters, USAISC 512
158.16.224.0/23
Headquarters, USAISC 512
158.16.226.0/23
Headquarters, USAISC 512
158.16.228.0/23
Headquarters, USAISC 512
158.16.230.0/23
Headquarters, USAISC 512
158.16.232.0/23
Headquarters, USAISC 512
158.16.234.0/23
Headquarters, USAISC 512
158.16.237.0/24
Headquarters, USAISC 256
158.16.239.0/24
Headquarters, USAISC 256
158.16.242.0/23
Headquarters, USAISC 512
158.16.244.0/23
Headquarters, USAISC 512
158.16.246.0/23
Headquarters, USAISC 512
158.19.128.0/17
Headquarters, USAISC 32768
160.133.0.0/24
Headquarters, USAISC 256
160.133.0.0/16
Headquarters, USAISC 65536
160.140.246.0/24
Headquarters, USAISC 256
164.169.144.0/20
Headquarters, USAISC 4096
164.169.160.0/20
Headquarters, USAISC 4096
192.12.126.0/24
Headquarters, USAISC 256
192.35.147.0/24
Headquarters, USAISC 256
192.107.182.0/23
Headquarters, USAISC 512
192.188.213.0/24
Headquarters, USAISC 256
198.49.184.0/24
Headquarters, USAISC 256
198.49.185.0/24
Headquarters, USAISC 256
199.10.59.0/24
Headquarters, USAISC 256
199.122.42.0/24
Headquarters, USAISC 256
199.122.52.0/24
Headquarters, USAISC 256
199.122.53.0/24
Headquarters, USAISC 256
199.123.70.0/24
Headquarters, USAISC 256
199.123.82.0/24
Headquarters, USAISC 256
199.123.84.0/24
Headquarters, USAISC 256
199.123.122.0/24
Headquarters, USAISC 256
206.37.0.0/24
DoD Network Information Center 256
206.37.12.0/24
DoD Network Information Center 256
206.37.243.0/24
DoD Network Information Center 256
207.133.205.0/24
DoD Network Information Center 256
207.133.219.0/24
DoD Network Information Center 256
207.133.220.0/24
DoD Network Information Center 256
214.3.93.0/24
DoD Network Information Center 256
214.3.94.0/24
DoD Network Information Center 256
214.37.198.0/24
DoD Network Information Center 256
214.37.205.0/24
DoD Network Information Center 256
CIDR Description IP NUMs(prefix /64)
2608:103:2740::/48
United States Department of Defense (DoD) 65536
2608:104:2a20::/48
United States Department of Defense (DoD) 65536
2608:109:15b0::/48
United States Department of Defense (DoD) 65536
2608:124:b70::/48
United States Department of Defense (DoD) 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS367 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US United States 9,018,112 2,949,120 IPv4 IPv4
AS27064 DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD), US United States 1,502,720 1,310,720 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS306 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US United States 4,689,664 355,205,120 IPv4 IPv4 IPv6 IPv6
ASNumber:       1534 - 1546
ASName:         DNIC-ASBLK-01534-01546
ASHandle:       AS1534
RegDate:        2004-05-12
Updated:        2011-08-24    
Ref:            https://rdap.arin.net/registry/autnum/1534


OrgName:        Headquarters, USAISC
OrgId:          HEADQU-3
Address:        NETC-ANC CONUS TNOSC
City:           Fort Huachuca
StateProv:      AZ
PostalCode:     85613
Country:        US
RegDate:        1990-03-26
Updated:        2025-03-13
Ref:            https://rdap.arin.net/registry/entity/HEADQU-3


OrgTechHandle: REGIS10-ARIN
OrgTechName:   Registration
OrgTechPhone:  +1-844-347-2457 
OrgTechEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgTechRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgAbuseHandle: REGIS10-ARIN
OrgAbuseName:   Registration
OrgAbusePhone:  +1-844-347-2457 
OrgAbuseEmail:  disa.columbus.ns.mbx.arin-registrations@mail.mil
OrgAbuseRef:    https://rdap.arin.net/registry/entity/REGIS10-ARIN