ASN AS22851 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS22851?

AS22851 is listed under Northern State University.

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.

AS22851 Northern State University

ASN Lookup Tool

Northern State University northern.edu

US 4 Routes

AS Data

AS22851

AS22851 – Northern State University

AS Number	22851
AS Name	NSU-SD
Organization	Northern State University(nsu)
Country	US
Website	northern.edu
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2001-12-05

ASN Intelligence API for production workflows

Use ASN data for AS22851 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.176.20.0/24	AS22851	Northern State University	Northern State University	256
206.176.21.0/24	AS22851	Northern State University	Northern State University	256
198.180.229.0/24	AS22851	Northern State University	Northern State University	256
206.176.54.0/24	AS22851	Northern State University	Northern State University	256

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:       22851
ASName:         NSU-SD
ASHandle:       AS22851
RegDate:        2001-12-05
Updated:        2021-10-08    
Ref:            https://rdap.arin.net/registry/autnum/22851


OrgName:        Northern State University
OrgId:          NSU
Address:        NET Services
Address:        1200 South Jay Street
City:           Aberdeen
StateProv:      SD
PostalCode:     57401-7198
Country:        US
RegDate:        1993-08-13
Updated:        2020-01-02
Ref:            https://rdap.arin.net/registry/entity/NSU


OrgAbuseHandle: JCA471-ARIN
OrgAbuseName:   Casanova, Jodi 
OrgAbusePhone:  +1-605-626-2283 
OrgAbuseEmail:  casanova@northern.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

OrgNOCHandle: JCA471-ARIN
OrgNOCName:   Casanova, Jodi 
OrgNOCPhone:  +1-605-626-2283 
OrgNOCEmail:  casanova@northern.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

OrgRoutingHandle: IVERS61-ARIN
OrgRoutingName:   Iverson, Jeremy 
OrgRoutingPhone:  +1-605-626-7616 
OrgRoutingEmail:  jeremy.iverson@northern.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IVERS61-ARIN

OrgTechHandle: JCA471-ARIN
OrgTechName:   Casanova, Jodi 
OrgTechPhone:  +1-605-626-2283 
OrgTechEmail:  casanova@northern.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

OrgDNSHandle: IVERS61-ARIN
OrgDNSName:   Iverson, Jeremy 
OrgDNSPhone:  +1-605-626-7616 
OrgDNSEmail:  jeremy.iverson@northern.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/IVERS61-ARIN

OrgRoutingHandle: JCA471-ARIN
OrgRoutingName:   Casanova, Jodi 
OrgRoutingPhone:  +1-605-626-2283 
OrgRoutingEmail:  casanova@northern.edu
OrgRoutingRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

OrgDNSHandle: JCA471-ARIN
OrgDNSName:   Casanova, Jodi 
OrgDNSPhone:  +1-605-626-2283 
OrgDNSEmail:  casanova@northern.edu
OrgDNSRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

OrgNOCHandle: IVERS61-ARIN
OrgNOCName:   Iverson, Jeremy 
OrgNOCPhone:  +1-605-626-7616 
OrgNOCEmail:  jeremy.iverson@northern.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/IVERS61-ARIN

OrgTechHandle: IVERS61-ARIN
OrgTechName:   Iverson, Jeremy 
OrgTechPhone:  +1-605-626-7616 
OrgTechEmail:  jeremy.iverson@northern.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/IVERS61-ARIN

OrgAbuseHandle: IVERS61-ARIN
OrgAbuseName:   Iverson, Jeremy 
OrgAbusePhone:  +1-605-626-7616 
OrgAbuseEmail:  jeremy.iverson@northern.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IVERS61-ARIN

RTechHandle: JCA471-ARIN
RTechName:   Casanova, Jodi 
RTechPhone:  +1-605-626-2283 
RTechEmail:  casanova@northern.edu
RTechRef:    https://rdap.arin.net/registry/entity/JCA471-ARIN

RTechHandle: IVERS61-ARIN
RTechName:   Iverson, Jeremy 
RTechPhone:  +1-605-626-7616 
RTechEmail:  jeremy.iverson@northern.edu
RTechRef:    https://rdap.arin.net/registry/entity/IVERS61-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
AS14263	South Dakota State Government	US
AS33189	South Dakota Board of Regents	US

Upstreams

AS Number	Description	Country
AS14263	South Dakota State Government	US
AS33189	South Dakota Board of Regents	US