AS Number
AS21633
AS Name
DOI-NBC-NET
Org Name
U.S. Department of the Interior
Registry

arin

RegDate

1993-09-07

Updated

2025-01-28

AS21633 Looking Glass
IPv4Prefixes

4

IPv6Prefixes

0

IPv4 NUMs

4,608

IPv6 NUMs(/64)

0

4,608 IPv4 Addresses
CIDR Description IP Num
137.227.96.0/21 U.S. Department of the Interior 2048
137.227.192.0/21 U.S. Department of the Interior 2048
205.173.0.0/24 U.S. Department of the Interior 256
205.173.4.0/24 U.S. Department of the Interior 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 5,301,248 60,136,226,816 IPv4 IPv4
AS22284 AS22284-DOI-OPS - U.S. Department of the Interior, US United States 1,153,280 4,294,967,296 IPv4 IPv4
ASNumber:       21633
ASName:         DOI-NBC-NET
ASHandle:       AS21633
RegDate:        2001-06-01
Updated:        2023-11-17    
Ref:            https://rdap.arin.net/registry/autnum/21633


OrgName:        U.S. Department of the Interior
OrgId:          UDI-1
Address:        1849 C St., N.W.
City:           Washington
StateProv:      DC
PostalCode:     20240
Country:        US
RegDate:        1993-09-07
Updated:        2025-01-28
Ref:            https://rdap.arin.net/registry/entity/UDI-1


OrgDNSHandle: STEVE25-ARIN
OrgDNSName:   Harrington, Steven A
OrgDNSPhone:  +1-303-969-6629 
OrgDNSEmail:  steven_harrington@ios.doi.gov
OrgDNSRef:    https://rdap.arin.net/registry/entity/STEVE25-ARIN

OrgTechHandle: PICKE159-ARIN
OrgTechName:   Pickett, Ronald 
OrgTechPhone:  +1-303-969-7456 
OrgTechEmail:  ron_l_pickett@ios.doi.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/PICKE159-ARIN

OrgAbuseHandle: STEVE25-ARIN
OrgAbuseName:   Harrington, Steven A
OrgAbusePhone:  +1-303-969-6629 
OrgAbuseEmail:  steven_harrington@ios.doi.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/STEVE25-ARIN

OrgAbuseHandle: AYS-ARIN
OrgAbuseName:   Shaw, Amy Y
OrgAbusePhone:  +1-703-622-6097 
OrgAbuseEmail:  amy_y_shaw@ios.doi.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AYS-ARIN

OrgTechHandle: AYS-ARIN
OrgTechName:   Shaw, Amy Y
OrgTechPhone:  +1-703-622-6097 
OrgTechEmail:  amy_y_shaw@ios.doi.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/AYS-ARIN

OrgTechHandle: STEVE25-ARIN
OrgTechName:   Harrington, Steven A
OrgTechPhone:  +1-303-969-6629 
OrgTechEmail:  steven_harrington@ios.doi.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/STEVE25-ARIN