AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
CH2M CH2M HILL 7 0 67,072 0 United States
67,072 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
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
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,445,620 21,494,694,144 IPv4 IPv4
AS33652 CMCS - Comcast Cable Communications, LLC, US United States 18,944 0 IPv4 IPv4
IP Address Domain NUMs Domains
141.159.176.7 2 diain.ch2m.co.uk
141.159.176.9 1 sip.ch2m.co.uk
141.159.176.11 1 av.ch2m.co.uk
141.159.176.12 1 sip.ch2m.co.uk
141.159.176.13 1 av.ch2m.co.uk
141.159.176.68 1 pwg.ch2m.co.uk
ASNumber:       10441
ASName:         CH2M
ASHandle:       AS10441
RegDate:        1997-08-04
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


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

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

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

OrgTechHandle: DG1354-ARIN
OrgTechName:   GARDNER, DON 
OrgTechPhone:  +1-720-286-2164 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DG1354-ARIN