AS257 - DNIC-AS-00257 - Navy Network Information Center (NNIC), US

United States
AS Number
AS257
AS Name
DNIC-AS-00257
Org Name
Navy Network Information Center (NNIC)
Country / Region
United States
Registry

arin

RegDate

2006-09-21

Updated

2026-08-12

AS257 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

512

IPv6 NUMs(/64)

65,536

CIDR Description IP Num
204.102.229.0/24
IRR Valid
Naval Postgraduate School 256
205.155.65.0/24
IRR Valid
CENIC 256
CIDR Description IP NUMs(prefix /64)
2607:f380:804::/48
IRR InValid
CENIC 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2152 CENIC-2152 - CENIC, US United States 2,011,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2153 CENIC-2153 - CENIC, US United States 4,608 16,842,752 IPv4 IPv4 
ASNumber:       257
ASName:         DNIC-AS-00257
ASHandle:       AS257
RegDate:        1988-12-22
Updated:        2011-07-05
Ref:            https://rdap.arin.net/registry/autnum/257

OrgID:          NNICN-1
OrgName:        Navy Network Information Center (NNIC)
CanAllocate:    
Street:         2465 GUADALCANAL ROAD
Street:         BLDG 1265
City:           VIRGINIA BEACH
State/Prov:     VA
Country:        US
PostalCode:     23459
RegDate:        2006-09-21
Updated:        2026-08-12
OrgAdminHandle  REGIS10-ARIN
OrgTechHandle   REGIS10-ARIN
OrgAbuseHandle  REGIS10-ARIN
Source:         ARIN

OrgAdminHandleHandle:  REGIS10-ARIN
OrgAdminHandleName:    Registration, 
OrgAdminHandlePhone:   +1-844-347-2457
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgTechHandleHandle:  REGIS10-ARIN
OrgTechHandleName:    Registration, 
OrgTechHandlePhone:   +1-844-347-2457
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/REGIS10-ARIN

OrgAbuseHandleHandle:  REGIS10-ARIN
OrgAbuseHandleName:    Registration, 
OrgAbuseHandlePhone:   +1-844-347-2457
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/REGIS10-ARIN