AS Number
AS397126
AS Name
SWRI-BLDR
Org Name
Southwest Research Institute
Registry

arin

RegDate

1988-01-04

Updated

2025-10-13

AS397126 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

512 IPv4 Addresses
CIDR Description IP Num
50.169.225.0/24 Southwest Research Institute (C10827955) 256
208.184.105.0/24 Southwest Research Institute 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS33652 CMCS - Comcast Cable Communications, LLC, US United States 16,896 554,063,233,024 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,662,208 17,717,133,312 IPv4 IPv4
ASNumber:       397126
ASName:         SWRI-BLDR
ASHandle:       AS397126
RegDate:        2022-08-31
Updated:        2022-08-31    
Ref:            https://rdap.arin.net/registry/autnum/397126


OrgName:        Southwest Research Institute
OrgId:          SRI-5
Address:        6220 Culebra Road, Dept. 32
Address:        P.O. Drawer 28510
City:           San Antonio
StateProv:      TX
PostalCode:     78228-0510
Country:        US
RegDate:        1988-01-04
Updated:        2025-10-13
Ref:            https://rdap.arin.net/registry/entity/SRI-5


OrgDNSHandle: MBG5-ARIN
OrgDNSName:   Gerard, Michael Brandon
OrgDNSPhone:  +1-210-522-6629 
OrgDNSEmail:  brandon.gerard@swri.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN

OrgTechHandle: MBG5-ARIN
OrgTechName:   Gerard, Michael Brandon
OrgTechPhone:  +1-210-522-6629 
OrgTechEmail:  brandon.gerard@swri.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MBG5-ARIN

OrgAbuseHandle: HEBER124-ARIN
OrgAbuseName:   Hebert, Todd 
OrgAbusePhone:  +1-210-522-6591 
OrgAbuseEmail:  todd.hebert@swri.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEBER124-ARIN

OrgTechHandle: HEBER124-ARIN
OrgTechName:   Hebert, Todd 
OrgTechPhone:  +1-210-522-6591 
OrgTechEmail:  todd.hebert@swri.org
OrgTechRef:    https://rdap.arin.net/registry/entity/HEBER124-ARIN