HomePrefix Lookup155.21.0.0/16

155.21.0.0/16

🇺🇸
IPv4ARINallocatedNo ROA
CIDR
155.21.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Sierra Vista (Fort Huachuca)
RIR
ARIN
Status
allocated
Allocated
10/28/1991

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

37 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
155.21.64.0/18AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.192.0/19AS721DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.32.0/19AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.224.0/19AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.0.0/20AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.136.0/21AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.24.0/21AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.152.0/21AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.16.0/22AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.188.0/22AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.144.0/22AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.132.0/22AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.20.0/22AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.130.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.148.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.164.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.170.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.172.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.168.0/23AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.128.0/23AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.150.0/23AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.166.0/23AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.184.0/23AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.172.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.174.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.178.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.152.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.168.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.188.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.164.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.170.0/23AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.187.0/24AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.186.0/24AS367DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.176.0/24AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.179.0/24AS749DNIC-AS-00749 - United States Department of Defense (DoD)No ROA—6/15/2026
155.21.187.0/24AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
155.21.186.0/24AS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISCNo ROA—6/15/2026
Geolocation
Country🇺🇸United StatesUS
RegionArizona
CitySierra Vista (Fort Huachuca)
Coordinates31.5552, -110.3500 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/155.21.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/155.21.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP