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	Prefix	Description
	151.159.220.0/23	South Dakota School of Mines & Technology
	151.159.222.0/23	South Dakota School of Mines & Technology
	206.71.32.0/24	South Dakota State Government
	206.176.14.0/23	University of South Dakota
	206.176.18.0/24	South Dakota Board of Regents
	2607:f558::/32	South Dakota Board of Regents

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS11164	Internet2 I2PX	✔	✘
	AS14263	South Dakota State Government	✔	✔
	AS11317	Great Plains Network	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS11164	Internet2 I2PX	✔	✔
	AS14263	South Dakota State Government	✔	✔
	AS11736	University of South Dakota	✔	✘
	AS22215	Black Hills State University	✔	✘
	AS22851	Northern State University	✔	✘
	AS11317	Great Plains Network	✔	✔
	AS11537	Internet2	✔	✔
	AS11602	South Dakota School of Mines & Technology	✔	✘
	AS11607	South Dakota State University	✔	✘
	AS23122	Dakota State University	✔	✘
	AS26498	Sanford Underground Laboratory at Homestake	✔	✘
	AS57	University of Minnesota	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS22215	Black Hills State University	✔	✘
	AS11736	University of South Dakota	✔	✘
	AS22851	Northern State University	✔	✘

ASHandle:       AS33189
OrgID:          SDBR
ASName:         SOUTH-DAKOTA-RESEARCH-AND-EDUCATION-NETWORK
ASNumber:       33189
RegDate:        2004-10-20
Updated:        2024-01-02
TechHandle:     DTI10-ARIN
TechHandle:     KOLSR-ARIN
AbuseHandle:    KOLSR-ARIN
NOCHandle:      DTI10-ARIN
NOCHandle:      KOLSR-ARIN
Source:         ARIN



OrgID:          SDBR
OrgName:        South Dakota Board of Regents
CanAllocate:    
Street:         4801 N. Career Ave., Suite 121
City:           Sioux Falls
State/Prov:     SD
Country:        US
PostalCode:     57107
RegDate:        1996-09-29
Updated:        2024-01-25
OrgAdminHandle: KOLSR-ARIN
OrgTechHandle:  DTI10-ARIN
OrgTechHandle:  KOLSR-ARIN
OrgTechHandle:  SB164-ARIN
OrgTechHandle:  SECUR146-ARIN
OrgAbuseHandle: DTI10-ARIN
OrgAbuseHandle: KOLSR-ARIN
OrgAbuseHandle: SB164-ARIN
OrgAbuseHandle: SECUR146-ARIN
OrgNOCHandle:   KOLSR-ARIN
OrgRoutingHandle:   JL605-ARIN
OrgRoutingHandle:   KOLSR-ARIN
OrgDNSHandle:   KOLSR-ARIN
Source:         ARIN





OrgAdminHandle:       KOLSR-ARIN
OrgAdminName:         Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        DTI10-ARIN
OrgTechName:          Darren Tieman
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        KOLSR-ARIN
OrgTechName:          Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SB164-ARIN
OrgTechName:          Steve Bauer
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SECUR146-ARIN
OrgTechName:           Security
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       DTI10-ARIN
OrgAbuseName:         Darren Tieman
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       KOLSR-ARIN
OrgAbuseName:         Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SB164-ARIN
OrgAbuseName:         Steve Bauer
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SECUR146-ARIN
OrgAbuseName:          Security
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         KOLSR-ARIN
OrgNOCName:           Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     JL605-ARIN
OrgRoutingName:       Jeffrey Litterick
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     KOLSR-ARIN
OrgRoutingName:       Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         KOLSR-ARIN
OrgDNSName:           Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           DTI10-ARIN
TechName:             Darren Tieman
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           KOLSR-ARIN
TechName:             Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          KOLSR-ARIN
AbuseName:            Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            DTI10-ARIN
NOCName:              Darren Tieman
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            KOLSR-ARIN
NOCName:              Chris Kolsrud
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:25:09Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19663
RADB	as-nlg-participants	60
RADB	as198949:as-sd	3416
ARIN	as-sdbit	10
RADB	as-hurricanev6	20352
RIPE	as-gttcust	89892
ARIN	as-zenedge	2381
ARIN	as11232:as-sdbit	10
RADB	as-gpn-re-members	12
ARIN	as-reed-members-i2	7
ARIN	as4901:as-multicast1	4
RADB	as-hurricane	24469