AS Number
AS64204
AS Name
TTEK-12
Org Name
TETRA TECH, INC.
Country / Region
United States
Registry

arin

RegDate

2009-01-21

Updated

2026-07-08

AS64204 Looking Glass
IPv4Prefixes

8

IPv6Prefixes

0

IPv4 NUMs

2,048

IPv6 NUMs(/64)

0

CIDR Description IP Num
192.247.24.0/24
TETRA TECH, INC. 256
192.247.26.0/24
TETRA TECH, INC. 256
192.247.27.0/24
TETRA TECH, INC. 256
192.247.28.0/24
IRR Valid
TETRA TECH, INC. 256
192.247.29.0/24
IRR Valid
TETRA TECH GROUP LIMITED 256
192.247.30.0/24
TETRA TECH, INC. 256
192.247.31.0/24
IRR Valid
TETRA TECH, INC. 256
198.163.178.0/24
IRR InValid
TETRA TECH, INC. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS701 UUNET - Verizon Business, US United States 41,642,496 1,249,852,784,640 IPv4 IPv4
AS702 UUNET - Verizon Business, US United States 5,775,360 652,835,225,600 IPv4 IPv4
AS1221 ASN-TELSTRA - Telstra Limited, AU Australia 13,400,320 17,592,186,175,488 IPv4 IPv4

Whois Record

ASNumber 64204

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

OrgID TETRA-15

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
MOORH10-ARIN
ROYYV-ARIN
OrgDNSHandle
KOBAY18-ARIN
MOORH10-ARIN
OrgAdminHandle
HELMD8-ARIN
OrgTechHandle
LOMBA72-ARIN
MOORH10-ARIN
ROYYV-ARIN
OrgAbuseHandle
LEVIN193-ARIN
LOMBA72-ARIN
MOORH10-ARIN
ROYYV-ARIN
Source
ARIN
OrgRoutingHandle LOMBA72-ARIN

OrgTechHandleHandle LOMBA72-ARIN

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

OrgTechHandleHandle MOORH10-ARIN

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

OrgTechHandleHandle ROYYV-ARIN

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

OrgAbuseHandleHandle LEVIN193-ARIN

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

OrgAbuseHandleHandle LOMBA72-ARIN

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

OrgAbuseHandleHandle MOORH10-ARIN

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

OrgAbuseHandleHandle ROYYV-ARIN

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

OrgNOCHandleHandle LOMBA72-ARIN

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

OrgNOCHandleHandle MOORH10-ARIN

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

OrgNOCHandleHandle ROYYV-ARIN

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

OrgRoutingHandleHandle LOMBA72-ARIN

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

OrgDNSHandleHandle KOBAY18-ARIN

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

OrgDNSHandleHandle MOORH10-ARIN

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

OrgAdminHandleHandle HELMD8-ARIN

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

RNOCHandleHandle JSH254-ARIN

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

RNOCHandleHandle LOMBA72-ARIN

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

RNOCHandleHandle PURRI-ARIN

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

RNOCHandleHandle ROYYV-ARIN

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

RTechHandleHandle JSH254-ARIN

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

RTechHandleHandle LOMBA72-ARIN

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

RTechHandleHandle PURRI-ARIN

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

RTechHandleHandle ROYYV-ARIN

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

RAbuseHandleHandle JSH254-ARIN

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

RAbuseHandleHandle LOMBA72-ARIN

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

RAbuseHandleHandle PURRI-ARIN

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

RAbuseHandleHandle ROYYV-ARIN

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

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