Whois

NetRange:       50.58.0.0 - 50.59.255.255
CIDR:           50.58.0.0/15
NetName:        TWTC-NETBLK-19
NetHandle:      NET-50-58-0-0-1
Parent:         NET50 (NET-50-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   tw telecom holdings, inc. (TWTC)
RegDate:        2011-01-21
Updated:        2012-02-24
Ref:            https://rdap.arin.net/registry/ip/50.58.0.0

OrgName:        tw telecom holdings, inc.
OrgId:          TWTC
Address:        10475 Park Meadows Drive
City:           Littleton
StateProv:      CO
PostalCode:     80124
Country:        US
RegDate:        1999-03-17
Updated:        2017-01-28
Ref:            https://rdap.arin.net/registry/entity/TWTC

ReferralServer:  rwhois://rwhois.ctl.one:4321

OrgNOCHandle: TDN1-ARIN
OrgNOCName:   TWTC Data NOC
OrgNOCPhone:  +1-800-829-0420
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/TDN1-ARIN

OrgAbuseHandle: TWTAD-ARIN
OrgAbuseName:   tw telecom Abuse Desk
OrgAbusePhone:  +1-800-829-0420
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TWTAD-ARIN

OrgTechHandle: NST12-ARIN
OrgTechName:   NOC SWIP Team
OrgTechPhone:  +1-800-829-0420
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NST12-ARIN

RNOCHandle: TDN1-ARIN
RNOCName:   TWTC Data NOC
RNOCPhone:  +1-800-829-0420
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/TDN1-ARIN

RAbuseHandle: TWTAD-ARIN
RAbuseName:   tw telecom Abuse Desk
RAbusePhone:  +1-800-829-0420
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/TWTAD-ARIN

RTechHandle: ZT87-ARIN
RTechName:   IP Manager
RTechPhone:  +1-800-829-0420
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/ZT87-ARIN