ASN AS31951 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31951?

AS31951 is listed under NASA Deep Space Network DSN.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS31951 NASA Deep Space Network DSN

ASN Lookup Tool

NASA Deep Space Network DSN jpl.nasa.gov

US 1 Routes

AS Data

AS31951

AS31951 – NASA Deep Space Network DSN

AS Number	31951
AS Name	NASADSN-AS
Organization	NASA Deep Space Network DSN(ndsnd)
Country	US
Website	jpl.nasa.gov
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2004-01-30

ASN Intelligence API for production workflows

Use ASN data for AS31951 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.243.16.0/22	AS31951	NASA Deep Space Network DSN	Madrid Communications Complex	1024

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       31951
ASName:         NASADSN-AS
ASHandle:       AS31951
RegDate:        2004-01-30
Updated:        2016-04-13    
Ref:            https://rdap.arin.net/registry/autnum/31951


OrgName:        NASA Deep Space Network (DSN)
OrgId:          NDSND
Address:        4800 Oak Grove Drive
City:           Pasadena
StateProv:      CA
PostalCode:     91109
Country:        US
RegDate:        2003-12-24
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/NDSND


OrgTechHandle: RHC5-ARIN
OrgTechName:   Cortez, Roger H
OrgTechPhone:  +1-818-393-7949 
OrgTechEmail:  roger.h.cortez@jpl.nasa.gov
OrgTechRef:    https://rdap.arin.net/registry/entity/RHC5-ARIN

OrgAbuseHandle: RHC5-ARIN
OrgAbuseName:   Cortez, Roger H
OrgAbusePhone:  +1-818-393-7949 
OrgAbuseEmail:  roger.h.cortez@jpl.nasa.gov
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RHC5-ARIN

RAbuseHandle: RHC5-ARIN
RAbuseName:   Cortez, Roger H
RAbusePhone:  +1-818-393-7949 
RAbuseEmail:  roger.h.cortez@jpl.nasa.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/RHC5-ARIN

RTechHandle: LNE45-ARIN
RTechName:   Neira, Luis 
RTechPhone:  +34918677298 
RTechEmail:  lneira@mdscc.nasa.gov
RTechRef:    https://rdap.arin.net/registry/entity/LNE45-ARIN

RTechHandle: RHC5-ARIN
RTechName:   Cortez, Roger H
RTechPhone:  +1-818-393-7949 
RTechEmail:  roger.h.cortez@jpl.nasa.gov
RTechRef:    https://rdap.arin.net/registry/entity/RHC5-ARIN

RAbuseHandle: LNE45-ARIN
RAbuseName:   Neira, Luis 
RAbusePhone:  +34918677298 
RAbuseEmail:  lneira@mdscc.nasa.gov
RAbuseRef:    https://rdap.arin.net/registry/entity/LNE45-ARIN

RNOCHandle: LNE45-ARIN
RNOCName:   Neira, Luis 
RNOCPhone:  +34918677298 
RNOCEmail:  lneira@mdscc.nasa.gov
RNOCRef:    https://rdap.arin.net/registry/entity/LNE45-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS766	RedIRIS Autonomous System	ES
AS297	National Aeronautics and Space Administration	US
AS766	Entidad Publica Empresarial Red.es	ES

Upstreams

AS Number	Description	Country
AS766	RedIRIS Autonomous System	ES