AS1637 Headquarters, USAISC 🇺🇸 US

Announcing 112 prefixes, seen at the RIS collectors.

IPv4 prefixes

111

230,400 (900 × /24)

IPv6 prefixes

1 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS1637
Name: Headquarters, USAISC
Organisation: Headquarters, USAISC
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2004-05-12

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 112 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       1637
ASName:         DNIC-AS-01637
ASHandle:       AS1637
RegDate:        2004-05-12
Updated:        2011-08-24
Ref:            https://rdap.arin.net/registry/autnum/1637

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:        2026-08-12
Ref:            https://rdap.arin.net/registry/entity/HEADQU-3

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

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