AS Name
CH2M
Org Name
CH2M HILL
Registry Region
United States
Looking Glass
IPv4Prefixes

9

IPv6Prefixes

0

IPv4 NUMs

67,584

IPv6 NUMs(/64)

0

67,584 IPv4 Addresses
CIDR Description IP Num
130.77.0.0/24 CH2M HILL 256
130.77.0.0/16 CH2M HILL 65536
141.159.176.0/23 CH2M HILL 512
168.88.78.0/24 Jacobs Engineering Group Inc. 256
198.91.8.0/24 CH2M HILL 256
198.91.9.0/24 CH2M Hill, Inc. 256
198.91.10.0/24 CH2M Hill, Inc. 256
198.91.11.0/24 CH2M Hill, Inc. 256
198.91.12.0/24 CH2M Hill, Inc. 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 35,914,432 85,904,719,872 IPv4 IPv4
AS33652 CMCS - Comcast Cable Communications, LLC, US United States 13,824 13,631,488 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,296,276 154,906,330,112 IPv4 IPv4
IP Address Domain NUMs Domains
130.77.99.23 1 mli.mayrau.com
ASNumber:       10441
ASName:         CH2M
ASHandle:       AS10441
RegDate:        1997-08-05
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/10441


OrgName:        CH2M HILL
OrgId:          CH2MH
Address:        9191 S. JAMAICA ST
City:           ENGLEWOOD
StateProv:      CO
PostalCode:     80112
Country:        US
RegDate:        2003-03-17
Updated:        2017-01-28
Comment:        http://www.ch2m.com
Ref:            https://rdap.arin.net/registry/entity/CH2MH


OrgNOCHandle: NETWO3597-ARIN
OrgNOCName:   Network Support
OrgNOCPhone:  +1-720-286-2164 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3597-ARIN

OrgTechHandle: NETWO3597-ARIN
OrgTechName:   Network Support
OrgTechPhone:  +1-720-286-2164 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3597-ARIN

OrgTechHandle: DG1354-ARIN
OrgTechName:   GARDNER, DON 
OrgTechPhone:  +1-720-286-9164 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DG1354-ARIN

OrgAbuseHandle: NETWO3597-ARIN
OrgAbuseName:   Network Support
OrgAbusePhone:  +1-720-286-2164 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3597-ARIN