| ASNumber | 33746 |
|---|---|
| ASName | TTEK-AS |
| ASHandle | |
| RegDate | 2009-03-12 |
| Updated | 2019-03-21 |
| Ref | https://rdap.arin.net/registry/autnum/33746 |
| 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 |
| OrgAbuseHandle | LEVIN193-ARIN LOMBA72-ARIN MOORH10-ARIN ROYYV-ARIN |
| OrgNOCHandle | LOMBA72-ARIN MOORH10-ARIN ROYYV-ARIN |
| OrgDNSHandle | KOBAY18-ARIN MOORH10-ARIN |
| OrgAdminHandle | HELMD8-ARIN |
| OrgTechHandle | LOMBA72-ARIN MOORH10-ARIN ROYYV-ARIN |
| Source | ARIN |
OrgRoutingHandle LOMBA72-ARIN
| OrgTechHandleHandle | LOMBA72-ARIN |
|---|---|
| OrgTechHandleName | Lombardi, Michael |
| OrgTechHandlePhone | +1-518-368-6453 |
| OrgTechHandleEmail | michael.lombardi@tetratech.com |
| OrgTechHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| OrgTechHandleHandle | MOORH10-ARIN |
|---|---|
| OrgTechHandleName | Moorhead, Chris |
| OrgTechHandlePhone | +1-859-514-8756 |
| OrgTechHandleEmail | chris.moorhead@tetratech.com |
| OrgTechHandleRef | https://rdap.arin.net/registry/entity/MOORH10-ARIN |
| OrgTechHandleHandle | ROYYV-ARIN |
|---|---|
| OrgTechHandleName | Roy, Yves |
| OrgTechHandlePhone | +1-418-871-8151 |
| OrgTechHandleEmail | yves.roy@tetratech.com |
| OrgTechHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
| OrgAbuseHandleHandle | LEVIN193-ARIN |
|---|---|
| OrgAbuseHandleName | Levine, Darrious |
| OrgAbuseHandlePhone | +1-626-470-2566 |
| OrgAbuseHandleEmail | darrious.levine@tetratech.com |
| OrgAbuseHandleRef | https://rdap.arin.net/registry/entity/LEVIN193-ARIN |
| OrgAbuseHandleHandle | LOMBA72-ARIN |
|---|---|
| OrgAbuseHandleName | Lombardi, Michael |
| OrgAbuseHandlePhone | +1-518-368-6453 |
| OrgAbuseHandleEmail | michael.lombardi@tetratech.com |
| OrgAbuseHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| OrgAbuseHandleHandle | MOORH10-ARIN |
|---|---|
| OrgAbuseHandleName | Moorhead, Chris |
| OrgAbuseHandlePhone | +1-859-514-8756 |
| OrgAbuseHandleEmail | chris.moorhead@tetratech.com |
| OrgAbuseHandleRef | https://rdap.arin.net/registry/entity/MOORH10-ARIN |
| OrgAbuseHandleHandle | ROYYV-ARIN |
|---|---|
| OrgAbuseHandleName | Roy, Yves |
| OrgAbuseHandlePhone | +1-418-871-8151 |
| OrgAbuseHandleEmail | yves.roy@tetratech.com |
| OrgAbuseHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
| OrgNOCHandleHandle | LOMBA72-ARIN |
|---|---|
| OrgNOCHandleName | Lombardi, Michael |
| OrgNOCHandlePhone | +1-518-368-6453 |
| OrgNOCHandleEmail | michael.lombardi@tetratech.com |
| OrgNOCHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| OrgNOCHandleHandle | MOORH10-ARIN |
|---|---|
| OrgNOCHandleName | Moorhead, Chris |
| OrgNOCHandlePhone | +1-859-514-8756 |
| OrgNOCHandleEmail | chris.moorhead@tetratech.com |
| OrgNOCHandleRef | https://rdap.arin.net/registry/entity/MOORH10-ARIN |
| OrgNOCHandleHandle | ROYYV-ARIN |
|---|---|
| OrgNOCHandleName | Roy, Yves |
| OrgNOCHandlePhone | +1-418-871-8151 |
| OrgNOCHandleEmail | yves.roy@tetratech.com |
| OrgNOCHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
| OrgRoutingHandleHandle | LOMBA72-ARIN |
|---|---|
| OrgRoutingHandleName | Lombardi, Michael |
| OrgRoutingHandlePhone | +1-518-368-6453 |
| OrgRoutingHandleEmail | michael.lombardi@tetratech.com |
| OrgRoutingHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| OrgDNSHandleHandle | KOBAY18-ARIN |
|---|---|
| OrgDNSHandleName | Kobayashi, Sean |
| OrgDNSHandlePhone | +1-626-470-2401 |
| OrgDNSHandleEmail | sean.kobayashi@tetratech.com |
| OrgDNSHandleRef | https://rdap.arin.net/registry/entity/KOBAY18-ARIN |
| OrgDNSHandleHandle | MOORH10-ARIN |
|---|---|
| OrgDNSHandleName | Moorhead, Chris |
| OrgDNSHandlePhone | +1-859-514-8756 |
| OrgDNSHandleEmail | chris.moorhead@tetratech.com |
| OrgDNSHandleRef | https://rdap.arin.net/registry/entity/MOORH10-ARIN |
| OrgAdminHandleHandle | HELMD8-ARIN |
|---|---|
| OrgAdminHandleName | Helm, Dawn |
| OrgAdminHandlePhone | +1-587-787-2104 |
| OrgAdminHandleEmail | dawn.helm@tetratech.com |
| OrgAdminHandleRef | https://rdap.arin.net/registry/entity/HELMD8-ARIN |
| RTechHandleHandle | JSH254-ARIN |
|---|---|
| RTechHandleName | SHEN, JOE |
| RTechHandlePhone | +1-626-470-2383 |
| RTechHandleEmail | JOE.SHEN@tetratech.com |
| RTechHandleRef | https://rdap.arin.net/registry/entity/JSH254-ARIN |
| RTechHandleHandle | LOMBA72-ARIN |
|---|---|
| RTechHandleName | Lombardi, Michael |
| RTechHandlePhone | +1-518-368-6453 |
| RTechHandleEmail | michael.lombardi@tetratech.com |
| RTechHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| RTechHandleHandle | PURRI-ARIN |
|---|---|
| RTechHandleName | Purrier, William |
| RTechHandlePhone | +1-916-853-4565 |
| RTechHandleEmail | bill.purrier@tetratech.com |
| RTechHandleRef | https://rdap.arin.net/registry/entity/PURRI-ARIN |
| RTechHandleHandle | ROYYV-ARIN |
|---|---|
| RTechHandleName | Roy, Yves |
| RTechHandlePhone | +1-418-871-8151 |
| RTechHandleEmail | yves.roy@tetratech.com |
| RTechHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
| RAbuseHandleHandle | JSH254-ARIN |
|---|---|
| RAbuseHandleName | SHEN, JOE |
| RAbuseHandlePhone | +1-626-470-2383 |
| RAbuseHandleEmail | JOE.SHEN@tetratech.com |
| RAbuseHandleRef | https://rdap.arin.net/registry/entity/JSH254-ARIN |
| RAbuseHandleHandle | LOMBA72-ARIN |
|---|---|
| RAbuseHandleName | Lombardi, Michael |
| RAbuseHandlePhone | +1-518-368-6453 |
| RAbuseHandleEmail | michael.lombardi@tetratech.com |
| RAbuseHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| RAbuseHandleHandle | PURRI-ARIN |
|---|---|
| RAbuseHandleName | Purrier, William |
| RAbuseHandlePhone | +1-916-853-4565 |
| RAbuseHandleEmail | bill.purrier@tetratech.com |
| RAbuseHandleRef | https://rdap.arin.net/registry/entity/PURRI-ARIN |
| RAbuseHandleHandle | ROYYV-ARIN |
|---|---|
| RAbuseHandleName | Roy, Yves |
| RAbuseHandlePhone | +1-418-871-8151 |
| RAbuseHandleEmail | yves.roy@tetratech.com |
| RAbuseHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
| RNOCHandleHandle | JSH254-ARIN |
|---|---|
| RNOCHandleName | SHEN, JOE |
| RNOCHandlePhone | +1-626-470-2383 |
| RNOCHandleEmail | JOE.SHEN@tetratech.com |
| RNOCHandleRef | https://rdap.arin.net/registry/entity/JSH254-ARIN |
| RNOCHandleHandle | LOMBA72-ARIN |
|---|---|
| RNOCHandleName | Lombardi, Michael |
| RNOCHandlePhone | +1-518-368-6453 |
| RNOCHandleEmail | michael.lombardi@tetratech.com |
| RNOCHandleRef | https://rdap.arin.net/registry/entity/LOMBA72-ARIN |
| RNOCHandleHandle | PURRI-ARIN |
|---|---|
| RNOCHandleName | Purrier, William |
| RNOCHandlePhone | +1-916-853-4565 |
| RNOCHandleEmail | bill.purrier@tetratech.com |
| RNOCHandleRef | https://rdap.arin.net/registry/entity/PURRI-ARIN |
| RNOCHandleHandle | ROYYV-ARIN |
|---|---|
| RNOCHandleName | Roy, Yves |
| RNOCHandlePhone | +1-418-871-8151 |
| RNOCHandleEmail | yves.roy@tetratech.com |
| RNOCHandleRef | https://rdap.arin.net/registry/entity/ROYYV-ARIN |
ASNumber: 33746 ASName: TTEK-AS ASHandle: AS33746 RegDate: 2009-03-12 Updated: 2019-03-21 Ref: https://rdap.arin.net/registry/autnum/33746 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 OrgAbuseHandle LEVIN193-ARIN OrgAbuseHandle LOMBA72-ARIN OrgAbuseHandle MOORH10-ARIN OrgAbuseHandle ROYYV-ARIN 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 Source: ARIN OrgTechHandleHandle: LOMBA72-ARIN OrgTechHandleName: Lombardi, Michael OrgTechHandlePhone: +1-518-368-6453 OrgTechHandleEmail: michael.lombardi@tetratech.com OrgTechHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN OrgTechHandleHandle: MOORH10-ARIN OrgTechHandleName: Moorhead, Chris OrgTechHandlePhone: +1-859-514-8756 OrgTechHandleEmail: chris.moorhead@tetratech.com OrgTechHandleRef: https://rdap.arin.net/registry/entity/MOORH10-ARIN OrgTechHandleHandle: ROYYV-ARIN OrgTechHandleName: Roy, Yves OrgTechHandlePhone: +1-418-871-8151 OrgTechHandleEmail: yves.roy@tetratech.com OrgTechHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN OrgAbuseHandleHandle: LEVIN193-ARIN OrgAbuseHandleName: Levine, Darrious OrgAbuseHandlePhone: +1-626-470-2566 OrgAbuseHandleEmail: darrious.levine@tetratech.com OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/LEVIN193-ARIN OrgAbuseHandleHandle: LOMBA72-ARIN OrgAbuseHandleName: Lombardi, Michael OrgAbuseHandlePhone: +1-518-368-6453 OrgAbuseHandleEmail: michael.lombardi@tetratech.com OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN OrgAbuseHandleHandle: MOORH10-ARIN OrgAbuseHandleName: Moorhead, Chris OrgAbuseHandlePhone: +1-859-514-8756 OrgAbuseHandleEmail: chris.moorhead@tetratech.com OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/MOORH10-ARIN OrgAbuseHandleHandle: ROYYV-ARIN OrgAbuseHandleName: Roy, Yves OrgAbuseHandlePhone: +1-418-871-8151 OrgAbuseHandleEmail: yves.roy@tetratech.com OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN OrgNOCHandleHandle: LOMBA72-ARIN OrgNOCHandleName: Lombardi, Michael OrgNOCHandlePhone: +1-518-368-6453 OrgNOCHandleEmail: michael.lombardi@tetratech.com OrgNOCHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN OrgNOCHandleHandle: MOORH10-ARIN OrgNOCHandleName: Moorhead, Chris OrgNOCHandlePhone: +1-859-514-8756 OrgNOCHandleEmail: chris.moorhead@tetratech.com OrgNOCHandleRef: https://rdap.arin.net/registry/entity/MOORH10-ARIN OrgNOCHandleHandle: ROYYV-ARIN OrgNOCHandleName: Roy, Yves OrgNOCHandlePhone: +1-418-871-8151 OrgNOCHandleEmail: yves.roy@tetratech.com OrgNOCHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN OrgRoutingHandleHandle: LOMBA72-ARIN OrgRoutingHandleName: Lombardi, Michael OrgRoutingHandlePhone: +1-518-368-6453 OrgRoutingHandleEmail: michael.lombardi@tetratech.com OrgRoutingHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN OrgDNSHandleHandle: KOBAY18-ARIN OrgDNSHandleName: Kobayashi, Sean OrgDNSHandlePhone: +1-626-470-2401 OrgDNSHandleEmail: sean.kobayashi@tetratech.com OrgDNSHandleRef: https://rdap.arin.net/registry/entity/KOBAY18-ARIN OrgDNSHandleHandle: MOORH10-ARIN OrgDNSHandleName: Moorhead, Chris OrgDNSHandlePhone: +1-859-514-8756 OrgDNSHandleEmail: chris.moorhead@tetratech.com OrgDNSHandleRef: https://rdap.arin.net/registry/entity/MOORH10-ARIN OrgAdminHandleHandle: HELMD8-ARIN OrgAdminHandleName: Helm, Dawn OrgAdminHandlePhone: +1-587-787-2104 OrgAdminHandleEmail: dawn.helm@tetratech.com OrgAdminHandleRef: https://rdap.arin.net/registry/entity/HELMD8-ARIN RTechHandleHandle: JSH254-ARIN RTechHandleName: SHEN, JOE RTechHandlePhone: +1-626-470-2383 RTechHandleEmail: JOE.SHEN@tetratech.com RTechHandleRef: https://rdap.arin.net/registry/entity/JSH254-ARIN RTechHandleHandle: LOMBA72-ARIN RTechHandleName: Lombardi, Michael RTechHandlePhone: +1-518-368-6453 RTechHandleEmail: michael.lombardi@tetratech.com RTechHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN RTechHandleHandle: PURRI-ARIN RTechHandleName: Purrier, William RTechHandlePhone: +1-916-853-4565 RTechHandleEmail: bill.purrier@tetratech.com RTechHandleRef: https://rdap.arin.net/registry/entity/PURRI-ARIN RTechHandleHandle: ROYYV-ARIN RTechHandleName: Roy, Yves RTechHandlePhone: +1-418-871-8151 RTechHandleEmail: yves.roy@tetratech.com RTechHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN RAbuseHandleHandle: JSH254-ARIN RAbuseHandleName: SHEN, JOE RAbuseHandlePhone: +1-626-470-2383 RAbuseHandleEmail: JOE.SHEN@tetratech.com RAbuseHandleRef: https://rdap.arin.net/registry/entity/JSH254-ARIN RAbuseHandleHandle: LOMBA72-ARIN RAbuseHandleName: Lombardi, Michael RAbuseHandlePhone: +1-518-368-6453 RAbuseHandleEmail: michael.lombardi@tetratech.com RAbuseHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN RAbuseHandleHandle: PURRI-ARIN RAbuseHandleName: Purrier, William RAbuseHandlePhone: +1-916-853-4565 RAbuseHandleEmail: bill.purrier@tetratech.com RAbuseHandleRef: https://rdap.arin.net/registry/entity/PURRI-ARIN RAbuseHandleHandle: ROYYV-ARIN RAbuseHandleName: Roy, Yves RAbuseHandlePhone: +1-418-871-8151 RAbuseHandleEmail: yves.roy@tetratech.com RAbuseHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN RNOCHandleHandle: JSH254-ARIN RNOCHandleName: SHEN, JOE RNOCHandlePhone: +1-626-470-2383 RNOCHandleEmail: JOE.SHEN@tetratech.com RNOCHandleRef: https://rdap.arin.net/registry/entity/JSH254-ARIN RNOCHandleHandle: LOMBA72-ARIN RNOCHandleName: Lombardi, Michael RNOCHandlePhone: +1-518-368-6453 RNOCHandleEmail: michael.lombardi@tetratech.com RNOCHandleRef: https://rdap.arin.net/registry/entity/LOMBA72-ARIN RNOCHandleHandle: PURRI-ARIN RNOCHandleName: Purrier, William RNOCHandlePhone: +1-916-853-4565 RNOCHandleEmail: bill.purrier@tetratech.com RNOCHandleRef: https://rdap.arin.net/registry/entity/PURRI-ARIN RNOCHandleHandle: ROYYV-ARIN RNOCHandleName: Roy, Yves RNOCHandlePhone: +1-418-871-8151 RNOCHandleEmail: yves.roy@tetratech.com RNOCHandleRef: https://rdap.arin.net/registry/entity/ROYYV-ARIN