AS25829 Smithsonian Institution

SMITHSONIAN

IPv4 Addresses: 63,744

Number of Peers: 6

Number of Prefixes: 7

ASN Allocated: Assigned

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois

AS25829 Summary

Regional Registry:

IANA

Allocation Status:

Assigned

AS25829 Network

IPv4 Prefixes:

IPv4 Peers:

IPv4 Upstreams:

IPv6 Prefixes:

IPv6 Peers:

IPv6 Upstreams:

Contacts

Email Contacts:

ocio-noc@si.edu

hargism@si.edu

johnstonjj@si.edu

nguyent@si.edu

husseyc@si.edu

Abuse Contacts:

ocio-noc@si.edu

hargism@si.edu

Address:

600 Maryland Ave SW,

Suite 4040,

Washington,

DC,

20024,

IPv4 Prefixes
IPv6 Prefixes

Announced Prefix	Description	Parent Prefix	RIR
38.127.143.0/24	PSINet, Inc.	41.189.32.0/19	AfriNIC
160.111.0.0/17	Smithsonian Institution	161.142.0.0/16	APNIC
160.111.128.0/18	Smithsonian Institution	160.111.0.0/16	ARIN
160.111.192.0/19	Smithsonian Institution	160.111.0.0/16	ARIN
160.111.224.0/21	Smithsonian Institution	160.111.0.0/16	ARIN
160.111.240.0/20	Smithsonian Institution	160.111.0.0/16	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:550:7708::/48	Cogent Communications		2001:550::/32	ARIN

IPv4 Peers
IPv6 Peers

ASN	Name	Description
AS11164	INTERNET2-I2PX	Internet2
AS174	COGENT-174	Cogent Communications
AS3356	LEVEL3	Level 3 Parent, LLC
AS11537	INTERNET2-RESEARCH-EDU	Internet2
AS27922	Smithsonian Tropical Research Institute	Smithsonian Tropical Research Institute

Country	ASN	Name	Description	IPv4
	AS174	COGENT-174	Cogent Communications

IPv4 Upstreams
IPv6 Upstreams

ASN	Name	Description
AS3356	LEVEL3	Level 3 Parent, LLC
AS174	COGENT-174	Cogent Communications
AS11164	INTERNET2-I2PX	Internet2

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS174	COGENT-174	Cogent Communications

IPv6 Upstream Graph

IPv4 Downstreams

Country	ASN	Name	Description
	AS27922	Smithsonian Tropical Research Institute	Smithsonian Tropical Research Institute

#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       25829
ASName:         SMITHSONIAN
ASHandle:       AS25829
RegDate:        2002-05-16
Updated:        2019-11-13    
Ref:            https://rdap.arin.net/registry/autnum/25829


OrgName:        Smithsonian Institution
OrgId:          SMITHS-1
Address:        600 Maryland Ave SW
Address:        Suite 4040
City:           Washington
StateProv:      DC
PostalCode:     20024
Country:        US
RegDate:        1992-05-28
Updated:        2014-01-02
Comment:        NOC hours are 24/7 - all days except Dec 25th.
Ref:            https://rdap.arin.net/registry/entity/SMITHS-1


OrgAbuseHandle: ARINA71-ARIN
OrgAbuseName:   ARIN-Abuse
OrgAbusePhone:  +1-202-633-4100 
OrgAbuseEmail:  ocio-noc@si.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ARINA71-ARIN

OrgNOCHandle: ARINN5-ARIN
OrgNOCName:   ARIN-NOC
OrgNOCPhone:  +1-202-633-4100 
OrgNOCEmail:  ocio-noc@si.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/ARINN5-ARIN

OrgAbuseHandle: ABUSE3330-ARIN
OrgAbuseName:   Abuse-POC
OrgAbusePhone:  +1-202-633-0611 
OrgAbuseEmail:  hargism@si.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3330-ARIN

OrgTechHandle: TECHN1091-ARIN
OrgTechName:   Technical POC
OrgTechPhone:  +1-202-633-2715 
OrgTechEmail:  johnstonjj@si.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1091-ARIN

OrgTechHandle: TNN2-ARIN
OrgTechName:   Nguyen, Tran Ngoc
OrgTechPhone:  +1-202-633-0333 
OrgTechEmail:  nguyent@si.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/TNN2-ARIN

RTechHandle: TNN2-ARIN
RTechName:   Nguyen, Tran Ngoc
RTechPhone:  +1-202-633-0333 
RTechEmail:  nguyent@si.edu
RTechRef:    https://rdap.arin.net/registry/entity/TNN2-ARIN

RAbuseHandle: ABUSE3330-ARIN
RAbuseName:   Abuse-POC
RAbusePhone:  +1-202-633-0611 
RAbuseEmail:  hargism@si.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3330-ARIN

RTechHandle: TECHN1091-ARIN
RTechName:   Technical POC
RTechPhone:  +1-202-633-2715 
RTechEmail:  johnstonjj@si.edu
RTechRef:    https://rdap.arin.net/registry/entity/TECHN1091-ARIN

RNOCHandle: ARINN5-ARIN
RNOCName:   ARIN-NOC
RNOCPhone:  +1-202-633-4100 
RNOCEmail:  ocio-noc@si.edu
RNOCRef:    https://rdap.arin.net/registry/entity/ARINN5-ARIN

RAbuseHandle: ARINA71-ARIN
RAbuseName:   ARIN-Abuse
RAbusePhone:  +1-202-633-4100 
RAbuseEmail:  ocio-noc@si.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/ARINA71-ARIN

RTechHandle: HUSSE3-ARIN
RTechName:   Hussey, Chris 
RTechPhone:  +1-202-633-5075 
RTechEmail:  husseyc@si.edu
RTechRef:    https://rdap.arin.net/registry/entity/HUSSE3-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

Country	IX	Name	IPv4	IPv6	Port Speed