ASN Lookup Tool

TETRA TECH, INC. tetratech.com US US 8 Routes

AS Data

AS64204

AS64204 – TETRA TECH, INC.

AS Number 64204
AS Name TTEK-12
Organization TETRA TECH, INC.(tetra-15)
Country US
Website tetratech.com
Number of IPv4 Routes 8
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2015-09-01

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Use ASN data for AS64204 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
192.247.28.0/24 256
192.247.30.0/24 256
198.163.178.0/24 256
192.247.31.0/24 256
192.247.24.0/24 256
192.247.27.0/24 256
192.247.26.0/24 256
192.247.29.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


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


OrgName:        TETRA TECH, INC.
OrgId:          TETRA-15
Address:        3475 E FOOTHILL BLVD.
City:           PASADENA
StateProv:      CA
PostalCode:     91107
Country:        US
RegDate:        2009-01-21
Updated:        2021-04-06
Ref:            https://rdap.arin.net/registry/entity/TETRA-15


OrgAbuseHandle: ROYYV-ARIN
OrgAbuseName:   Roy, Yves 
OrgAbusePhone:  +1-418-871-8151 
OrgAbuseEmail:  yves.roy@tetratech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

OrgNOCHandle: PURRI-ARIN
OrgNOCName:   Purrier, William 
OrgNOCPhone:  +1-916-853-4565 
OrgNOCEmail:  bill.purrier@tetratech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN

OrgNOCHandle: LOMBA72-ARIN
OrgNOCName:   Lombardi, Michael 
OrgNOCPhone:  +1-518-368-6453 
OrgNOCEmail:  michael.lombardi@tetratech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgNOCHandle: MOORH10-ARIN
OrgNOCName:   Moorhead, Chris 
OrgNOCPhone:  +1-859-514-8756 
OrgNOCEmail:  chris.moorhead@tetratech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgTechHandle: MOORH10-ARIN
OrgTechName:   Moorhead, Chris 
OrgTechPhone:  +1-859-514-8756 
OrgTechEmail:  chris.moorhead@tetratech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgDNSHandle: MOORH10-ARIN
OrgDNSName:   Moorhead, Chris 
OrgDNSPhone:  +1-859-514-8756 
OrgDNSEmail:  chris.moorhead@tetratech.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgAbuseHandle: LOMBA72-ARIN
OrgAbuseName:   Lombardi, Michael 
OrgAbusePhone:  +1-518-368-6453 
OrgAbuseEmail:  michael.lombardi@tetratech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgNOCHandle: ROYYV-ARIN
OrgNOCName:   Roy, Yves 
OrgNOCPhone:  +1-418-871-8151 
OrgNOCEmail:  yves.roy@tetratech.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

OrgAbuseHandle: PURRI-ARIN
OrgAbuseName:   Purrier, William 
OrgAbusePhone:  +1-916-853-4565 
OrgAbuseEmail:  bill.purrier@tetratech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN

OrgTechHandle: PURRI-ARIN
OrgTechName:   Purrier, William 
OrgTechPhone:  +1-916-853-4565 
OrgTechEmail:  bill.purrier@tetratech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN

OrgAbuseHandle: MOORH10-ARIN
OrgAbuseName:   Moorhead, Chris 
OrgAbusePhone:  +1-859-514-8756 
OrgAbuseEmail:  chris.moorhead@tetratech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MOORH10-ARIN

OrgDNSHandle: KOBAY18-ARIN
OrgDNSName:   Kobayashi, Sean 
OrgDNSPhone:  +1-626-470-2401 
OrgDNSEmail:  sean.kobayashi@tetratech.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/KOBAY18-ARIN

OrgRoutingHandle: LOMBA72-ARIN
OrgRoutingName:   Lombardi, Michael 
OrgRoutingPhone:  +1-518-368-6453 
OrgRoutingEmail:  michael.lombardi@tetratech.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgTechHandle: LOMBA72-ARIN
OrgTechName:   Lombardi, Michael 
OrgTechPhone:  +1-518-368-6453 
OrgTechEmail:  michael.lombardi@tetratech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

OrgAbuseHandle: LEVIN193-ARIN
OrgAbuseName:   Levine, Darrious 
OrgAbusePhone:  +1-626-470-2566 
OrgAbuseEmail:  darrious.levine@tetratech.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LEVIN193-ARIN

OrgTechHandle: ROYYV-ARIN
OrgTechName:   Roy, Yves 
OrgTechPhone:  +1-418-871-8151 
OrgTechEmail:  yves.roy@tetratech.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

RAbuseHandle: LOMBA72-ARIN
RAbuseName:   Lombardi, Michael 
RAbusePhone:  +1-518-368-6453 
RAbuseEmail:  michael.lombardi@tetratech.com
RAbuseRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RTechHandle: ROYYV-ARIN
RTechName:   Roy, Yves 
RTechPhone:  +1-418-871-8151 
RTechEmail:  yves.roy@tetratech.com
RTechRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

RNOCHandle: JSH254-ARIN
RNOCName:   SHEN, JOE 
RNOCPhone:  +1-626-470-2183 
RNOCEmail:  JOE.SHEN@tetratech.com
RNOCRef:    https://rdap.arin.net/registry/entity/JSH254-ARIN

RNOCHandle: ROYYV-ARIN
RNOCName:   Roy, Yves 
RNOCPhone:  +1-418-871-8151 
RNOCEmail:  yves.roy@tetratech.com
RNOCRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

RNOCHandle: LOMBA72-ARIN
RNOCName:   Lombardi, Michael 
RNOCPhone:  +1-518-368-6453 
RNOCEmail:  michael.lombardi@tetratech.com
RNOCRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RTechHandle: JSH254-ARIN
RTechName:   SHEN, JOE 
RTechPhone:  +1-626-470-2183 
RTechEmail:  JOE.SHEN@tetratech.com
RTechRef:    https://rdap.arin.net/registry/entity/JSH254-ARIN

RNOCHandle: PURRI-ARIN
RNOCName:   Purrier, William 
RNOCPhone:  +1-916-853-4565 
RNOCEmail:  bill.purrier@tetratech.com
RNOCRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN

RAbuseHandle: ROYYV-ARIN
RAbuseName:   Roy, Yves 
RAbusePhone:  +1-418-871-8151 
RAbuseEmail:  yves.roy@tetratech.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ROYYV-ARIN

RTechHandle: LOMBA72-ARIN
RTechName:   Lombardi, Michael 
RTechPhone:  +1-518-368-6453 
RTechEmail:  michael.lombardi@tetratech.com
RTechRef:    https://rdap.arin.net/registry/entity/LOMBA72-ARIN

RTechHandle: PURRI-ARIN
RTechName:   Purrier, William 
RTechPhone:  +1-916-853-4565 
RTechEmail:  bill.purrier@tetratech.com
RTechRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN

RAbuseHandle: JSH254-ARIN
RAbuseName:   SHEN, JOE 
RAbusePhone:  +1-626-470-2183 
RAbuseEmail:  JOE.SHEN@tetratech.com
RAbuseRef:    https://rdap.arin.net/registry/entity/JSH254-ARIN

RAbuseHandle: PURRI-ARIN
RAbuseName:   Purrier, William 
RAbusePhone:  +1-916-853-4565 
RAbuseEmail:  bill.purrier@tetratech.com
RAbuseRef:    https://rdap.arin.net/registry/entity/PURRI-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS8220 COLT Technology Services Group Limited GB
AS702 Verizon Business US
AS1221 Telstra Limited AU
AS702 Verizon Business/UUnet Europe US
AS701 Verizon Business/UUnet US
AS701 Verizon Business US

Upstreams

AS Number Description Country
AS8220 COLT Technology Services Group Limited GB
AS702 Verizon Business US
AS1221 Telstra Limited AU
AS701 Verizon Business US

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Frequently Asked Questions

ASN AS64204 is an Autonomous System Number used to identify a network for BGP internet routing.
AS64204 is listed under TETRA TECH, INC..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.