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	Prefix	Description
	192.172.226.0/24	San Diego Supercomputer Center

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS195	San Diego Supercomputer Center	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS195	San Diego Supercomputer Center	✔	✘

ASHandle:       AS1909
OrgID:          SDSC-Z
ASName:         CAIDA
ASNumber:       1909
RegDate:        1992-06-02
Updated:        2024-01-10
TechHandle:     KCC10-ARIN
TechHandle:     TH60-ARIN
Source:         ARIN



OrgID:          SDSC-Z
OrgName:        San Diego Supercomputer Center
CanAllocate:    
Street:         9500 Gilman Drive
Street:         MS-0505
City:           La Jolla
State/Prov:     CA
Country:        US
PostalCode:     92093-0505
RegDate:        2023-04-06
Updated:        2023-05-24
OrgAdminHandle: HERMA36-ARIN
OrgTechHandle:  HERMA36-ARIN
OrgTechHandle:  SKINN116-ARIN
OrgTechHandle:  TH60-ARIN
OrgAbuseHandle: SDSCA-ARIN
OrgAbuseHandle: SDSCH-ARIN
OrgNOCHandle:   ENS13-ARIN
OrgNOCHandle:   TH60-ARIN
Source:         ARIN





OrgAdminHandle:       HERMA36-ARIN
OrgAdminName:         Dan Herman
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OrgTechHandle:        HERMA36-ARIN
OrgTechName:          Dan Herman
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OrgTechHandle:        SKINN116-ARIN
OrgTechName:          Erik Skinner
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OrgTechHandle:        TH60-ARIN
OrgTechName:          Thomas Hutton
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OrgAbuseHandle:       SDSCA-ARIN
OrgAbuseName:          SDSC-ABUSE
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OrgAbuseHandle:       SDSCH-ARIN
OrgAbuseName:          SDSC Hostmaster
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OrgNOCHandle:         ENS13-ARIN
OrgNOCName:            ENS
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OrgNOCHandle:         TH60-ARIN
OrgNOCName:           Thomas Hutton
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TechHandle:           KCC10-ARIN
TechName:             K Claffy
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TechHandle:           TH60-ARIN
TechName:             Thomas Hutton
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Last Update: 2025-12-26T03:33:49Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-lumen-customers-asns	10695
LEVEL3	as-level3-origins-na	0
RADB	as-sdsc-customer	6
RADB	as-calren2	288
RADB	as174:as-cogc-008	48
RADB	as16631:as-cogc-004	65