ASNumber:       64204
ASName:         TTEK-12
ASHandle:       AS64204
RegDate:        2015-09-01
Updated:        2019-03-21
Ref:            https://rdap.arin.net/registry/autnum/64204

OrgID:          TETRA-15
OrgName:        TETRA TECH, INC.
CanAllocate:    
Street:         3475 E FOOTHILL BLVD.
City:           PASADENA
State/Prov:     CA
Country:        US
PostalCode:     91107
RegDate:        2009-01-21
Updated:        2026-07-08
OrgNOCHandle    LOMBA72-ARIN
OrgNOCHandle    MOORH10-ARIN
OrgNOCHandle    ROYYV-ARIN
OrgRoutingHandle LOMBA72-ARIN
OrgDNSHandle    KOBAY18-ARIN
OrgDNSHandle    MOORH10-ARIN
OrgAdminHandle  HELMD8-ARIN
OrgTechHandle   LOMBA72-ARIN
OrgTechHandle   MOORH10-ARIN
OrgTechHandle   ROYYV-ARIN
OrgAbuseHandle  LEVIN193-ARIN
OrgAbuseHandle  LOMBA72-ARIN
OrgAbuseHandle  MOORH10-ARIN
OrgAbuseHandle  ROYYV-ARIN
Source:         ARIN

OrgTechHandleHandle:  LOMBA72-ARIN
OrgTechHandleName:    Lombardi, Michael
OrgTechHandlePhone:   +1-518-368-6453
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgTechHandleHandle:  MOORH10-ARIN
OrgTechHandleName:    Moorhead, Chris
OrgTechHandlePhone:   +1-859-514-8756
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgTechHandleHandle:  ROYYV-ARIN
OrgTechHandleName:    Roy, Yves
OrgTechHandlePhone:   +1-418-871-8151
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN

OrgAbuseHandleHandle:  LEVIN193-ARIN
OrgAbuseHandleName:    Levine, Darrious
OrgAbuseHandlePhone:   +1-626-470-2566
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/LEVIN193-ARIN

OrgAbuseHandleHandle:  LOMBA72-ARIN
OrgAbuseHandleName:    Lombardi, Michael
OrgAbuseHandlePhone:   +1-518-368-6453
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgAbuseHandleHandle:  MOORH10-ARIN
OrgAbuseHandleName:    Moorhead, Chris
OrgAbuseHandlePhone:   +1-859-514-8756
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgAbuseHandleHandle:  ROYYV-ARIN
OrgAbuseHandleName:    Roy, Yves
OrgAbuseHandlePhone:   +1-418-871-8151
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN

OrgNOCHandleHandle:  LOMBA72-ARIN
OrgNOCHandleName:    Lombardi, Michael
OrgNOCHandlePhone:   +1-518-368-6453
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgNOCHandleHandle:  MOORH10-ARIN
OrgNOCHandleName:    Moorhead, Chris
OrgNOCHandlePhone:   +1-859-514-8756
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgNOCHandleHandle:  ROYYV-ARIN
OrgNOCHandleName:    Roy, Yves
OrgNOCHandlePhone:   +1-418-871-8151
OrgNOCHandleEmail:   [email protected]
OrgNOCHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN

OrgRoutingHandleHandle:  LOMBA72-ARIN
OrgRoutingHandleName:    Lombardi, Michael
OrgRoutingHandlePhone:   +1-518-368-6453
OrgRoutingHandleEmail:   [email protected]
OrgRoutingHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgDNSHandleHandle:  KOBAY18-ARIN
OrgDNSHandleName:    Kobayashi, Sean
OrgDNSHandlePhone:   +1-626-470-2401
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/KOBAY18-ARIN

OrgDNSHandleHandle:  MOORH10-ARIN
OrgDNSHandleName:    Moorhead, Chris
OrgDNSHandlePhone:   +1-859-514-8756
OrgDNSHandleEmail:   [email protected]
OrgDNSHandleRef:     https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgAdminHandleHandle:  HELMD8-ARIN
OrgAdminHandleName:    Helm, Dawn
OrgAdminHandlePhone:   +1-587-787-2104
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/HELMD8-ARIN

RNOCHandleHandle:  JSH254-ARIN
RNOCHandleName:    SHEN, JOE
RNOCHandlePhone:   +1-626-470-2383
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/JSH254-ARIN

RNOCHandleHandle:  LOMBA72-ARIN
RNOCHandleName:    Lombardi, Michael
RNOCHandlePhone:   +1-518-368-6453
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RNOCHandleHandle:  PURRI-ARIN
RNOCHandleName:    Purrier, William
RNOCHandlePhone:   +1-916-853-4565
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/PURRI-ARIN

RNOCHandleHandle:  ROYYV-ARIN
RNOCHandleName:    Roy, Yves
RNOCHandlePhone:   +1-418-871-8151
RNOCHandleEmail:   [email protected]
RNOCHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN

RTechHandleHandle:  JSH254-ARIN
RTechHandleName:    SHEN, JOE
RTechHandlePhone:   +1-626-470-2383
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/JSH254-ARIN

RTechHandleHandle:  LOMBA72-ARIN
RTechHandleName:    Lombardi, Michael
RTechHandlePhone:   +1-518-368-6453
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RTechHandleHandle:  PURRI-ARIN
RTechHandleName:    Purrier, William
RTechHandlePhone:   +1-916-853-4565
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/PURRI-ARIN

RTechHandleHandle:  ROYYV-ARIN
RTechHandleName:    Roy, Yves
RTechHandlePhone:   +1-418-871-8151
RTechHandleEmail:   [email protected]
RTechHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN

RAbuseHandleHandle:  JSH254-ARIN
RAbuseHandleName:    SHEN, JOE
RAbuseHandlePhone:   +1-626-470-2383
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/JSH254-ARIN

RAbuseHandleHandle:  LOMBA72-ARIN
RAbuseHandleName:    Lombardi, Michael
RAbuseHandlePhone:   +1-518-368-6453
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RAbuseHandleHandle:  PURRI-ARIN
RAbuseHandleName:    Purrier, William
RAbuseHandlePhone:   +1-916-853-4565
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/PURRI-ARIN

RAbuseHandleHandle:  ROYYV-ARIN
RAbuseHandleName:    Roy, Yves
RAbuseHandlePhone:   +1-418-871-8151
RAbuseHandleEmail:   [email protected]
RAbuseHandleRef:     https://rdap.arin.net/registry/entity/ROYYV-ARIN