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AS26498 Sanford Underground Laboratory at Homestake

United States SURF-AUT-NUM ARIN 2 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
6,144
IPv6 /48 networks
0
RPKI
2 valid0 no ROA
Peers and downstreams
1

Holder

AS name
SURF-AUT-NUM
Description
630 E. Summit Lead SD 57754 United States
Organisation
Sanford Underground Laboratory at Homestake
Abuse contact
Not published
Assigned
2009-02-05
Registered
2009-02-06
Record last changed
2012-03-02 13:03 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS11232 Midcontinent Communications AS11232 · US Midcontinent Communic… AS14263 South Dakota State Government AS14263 · US South Dakota State Go… AS26498 Sanford Underground Laboratory at Homestake AS26498 · US Sanford Underground L…

Network health

Grade D · 50/100
pass Prefixes covered by valid ROAs
2 of 2 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
fail Working abuse contact
No abuse contact is published in the registry.		 0/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2012-03-02.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-05 00:28 UTCRelationship changed AS33189 upstream to peer

WHOIS

aut-num:        AS26498
as-name:        SANFORD-LAB
handle:         AS26498
registrant:     SOUTH-264 (Sanford Underground Laboratory at Homestake)
technical,abuse,administrative:MRE132-ARIN (Mike Rechtenbaugh) <mrech@sanfordlab.org>
technical:      MRE132-ARIN (Mike Rechtenbaugh) <mrech@sanfordlab.org>
last changed:   2012-03-02T08:03:18-05:00
registration:   2009-02-06T14:29:22-05:00
source:         ARIN (RDAP)