AS Name
ERCOT-ISO
Org Name
Ercot Independent System Operations
Registry Region
United States
Looking Glass
IPv4Prefixes

5

IPv6Prefixes

0

IPv4 NUMs

1,024

IPv6 NUMs(/64)

0

1,024 IPv4 Addresses
CIDR Description IP Num
66.128.16.0/24 Electric Reliability Council of Texas, Inc. 256
66.128.16.0/22 Electric Reliability Council of Texas, Inc. 1024
66.128.17.0/24 Electric Reliability Council of Texas, Inc. 256
66.128.18.0/24 Electric Reliability Council of Texas, Inc. 256
66.128.19.0/24 Electric Reliability Council of Texas, Inc. 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Services, Inc., US United States 99,010,048 2,676,318,797,824 IPv4 IPv4
AS19551 INCAPSULA - Incapsula Inc, US United States 163,584 34,537,472 IPv4 IPv4
AS3900 TEXASNET-ASN - YHC Corporation, US United States 133,632 4,563,402,752 IPv4 IPv4
IP Address Domain NUMs Domains
66.128.16.88 1 smtp2.ercot.com
66.128.16.130 1 ns2.ercot.com
66.128.16.131 1 ns3.ercot.com
66.128.16.152 2 mis-b.ercot.com
66.128.16.164 1 misapi.ercot.com
ASNumber:       10322
ASName:         ERCOT-ISO
ASHandle:       AS10322
RegDate:        1997-06-25
Updated:        1997-06-25    
Ref:            https://rdap.arin.net/registry/autnum/10322


OrgName:        Ercot Independent System Operations
OrgId:          EISO
Address:        2705 West Lake Dr.
City:           Taylor
StateProv:      TX
PostalCode:     76574
Country:        US
RegDate:        1997-06-25
Updated:        2019-03-19
Ref:            https://rdap.arin.net/registry/entity/EISO


OrgAbuseHandle: CHAMB250-ARIN
OrgAbuseName:   Chambers, Jason 
OrgAbusePhone:  +1-512-248-4223 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHAMB250-ARIN

OrgNOCHandle: HELPD11-ARIN
OrgNOCName:   HelpDesk
OrgNOCPhone:  +1-512-248-6800 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/HELPD11-ARIN

OrgAbuseHandle: ENG9-ARIN
OrgAbuseName:   ERCOT Network Group
OrgAbusePhone:  +1-512-248-6595 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENG9-ARIN

OrgTechHandle: CHAMB250-ARIN
OrgTechName:   Chambers, Jason 
OrgTechPhone:  +1-512-248-4223 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CHAMB250-ARIN

OrgNOCHandle: ENG9-ARIN
OrgNOCName:   ERCOT Network Group
OrgNOCPhone:  +1-512-248-6595 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ENG9-ARIN

OrgTechHandle: ENG9-ARIN
OrgTechName:   ERCOT Network Group
OrgTechPhone:  +1-512-248-6595 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ENG9-ARIN

RTechHandle: CK47-ARIN
RTechName:   kissinger, chad 
RTechPhone:  +1-512-322-9200 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/CK47-ARIN