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:        2020-01-27
Ref:            https://rdap.arin.net/registry/entity/TWTC

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

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

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

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

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

CIDR

50.58.0.0/24 50.58.1.0/24 50.58.2.0/24 50.58.3.0/24
50.58.5.0/24 50.58.6.0/24 50.58.7.0/24 50.58.8.0/24
50.58.10.0/24 50.58.11.0/24 50.58.12.0/24 50.58.13.0/24
50.58.15.0/24 50.58.16.0/24 50.58.17.0/24 50.58.18.0/24
50.58.20.0/24 50.58.21.0/24 50.58.22.0/24 50.58.23.0/24
50.58.25.0/24 50.58.26.0/24 50.58.27.0/24 50.58.28.0/24
50.58.30.0/24 50.58.31.0/24 50.58.32.0/24 50.58.33.0/24
50.58.35.0/24 50.58.36.0/24 50.58.37.0/24 50.58.38.0/24
50.58.40.0/24 50.58.41.0/24 50.58.42.0/24 50.58.43.0/24
50.58.45.0/24 50.58.46.0/24 50.58.47.0/24 50.58.48.0/24
50.58.50.0/24 50.58.51.0/24 50.58.52.0/24 50.58.53.0/24
50.58.55.0/24 50.58.56.0/24 50.58.57.0/24 50.58.58.0/24
50.58.60.0/24 50.58.61.0/24 50.58.62.0/24 50.58.63.0/24
50.58.65.0/24 50.58.66.0/24 50.58.67.0/24 50.58.68.0/24
50.58.70.0/24 50.58.71.0/24 50.58.72.0/24 50.58.73.0/24
50.58.75.0/24 50.58.76.0/24 50.58.77.0/24 50.58.78.0/24
50.58.80.0/24 50.58.81.0/24 50.58.82.0/24 50.58.83.0/24
50.58.85.0/24 50.58.86.0/24 50.58.87.0/24 50.58.88.0/24
50.58.90.0/24 50.58.91.0/24 50.58.92.0/24 50.58.93.0/24
50.58.95.0/24 50.58.96.0/24 50.58.97.0/24 50.58.98.0/24
50.58.100.0/24 50.58.101.0/24 50.58.102.0/24 50.58.103.0/24
50.58.105.0/24 50.58.106.0/24 50.58.107.0/24 50.58.108.0/24
50.58.110.0/24 50.58.111.0/24 50.58.112.0/24 50.58.113.0/24
50.58.115.0/24 50.58.116.0/24 50.58.117.0/24 50.58.118.0/24
50.58.120.0/24 50.58.121.0/24 50.58.122.0/24 50.58.123.0/24
50.58.125.0/24 50.58.126.0/24 50.58.127.0/24 50.58.128.0/24
50.58.130.0/24 50.58.131.0/24 50.58.132.0/24 50.58.133.0/24
50.58.135.0/24 50.58.136.0/24 50.58.137.0/24 50.58.138.0/24
50.58.140.0/24 50.58.141.0/24 50.58.142.0/24 50.58.143.0/24
50.58.145.0/24 50.58.146.0/24 50.58.147.0/24 50.58.148.0/24
50.58.150.0/24 50.58.151.0/24 50.58.152.0/24 50.58.153.0/24
50.58.155.0/24 50.58.156.0/24 50.58.157.0/24 50.58.158.0/24
50.58.160.0/24 50.58.161.0/24 50.58.162.0/24 50.58.163.0/24
50.58.165.0/24 50.58.166.0/24 50.58.167.0/24 50.58.168.0/24
50.58.170.0/24 50.58.171.0/24 50.58.172.0/24 50.58.173.0/24
50.58.175.0/24 50.58.176.0/24 50.58.177.0/24 50.58.178.0/24
50.58.180.0/24 50.58.181.0/24 50.58.182.0/24 50.58.183.0/24
50.58.185.0/24 50.58.186.0/24 50.58.187.0/24 50.58.188.0/24
50.58.190.0/24 50.58.191.0/24 50.58.192.0/24 50.58.193.0/24
50.58.195.0/24 50.58.196.0/24 50.58.197.0/24 50.58.198.0/24
50.58.200.0/24 50.58.201.0/24 50.58.202.0/24 50.58.203.0/24
50.58.205.0/24 50.58.206.0/24 50.58.207.0/24 50.58.208.0/24
50.58.210.0/24 50.58.211.0/24 50.58.212.0/24 50.58.213.0/24
50.58.215.0/24 50.58.216.0/24 50.58.217.0/24 50.58.218.0/24
50.58.220.0/24 50.58.221.0/24 50.58.222.0/24 50.58.223.0/24
50.58.225.0/24 50.58.226.0/24 50.58.227.0/24 50.58.228.0/24
50.58.230.0/24 50.58.231.0/24 50.58.232.0/24 50.58.233.0/24
50.58.235.0/24 50.58.236.0/24 50.58.237.0/24 50.58.238.0/24
50.58.240.0/24 50.58.241.0/24 50.58.242.0/24 50.58.243.0/24
50.58.245.0/24 50.58.246.0/24 50.58.247.0/24 50.58.248.0/24
50.58.250.0/24 50.58.251.0/24 50.58.252.0/24 50.58.253.0/24
50.58.255.0/24 50.59.0.0/24 50.59.1.0/24 50.59.2.0/24
50.59.4.0/24 50.59.5.0/24 50.59.6.0/24 50.59.7.0/24
50.59.9.0/24 50.59.10.0/24 50.59.11.0/24 50.59.12.0/24
50.59.14.0/24 50.59.15.0/24 50.59.16.0/24 50.59.17.0/24
50.59.19.0/24 50.59.20.0/24 50.59.21.0/24 50.59.22.0/24
50.59.24.0/24 50.59.25.0/24 50.59.26.0/24 50.59.27.0/24
50.59.29.0/24 50.59.30.0/24 50.59.31.0/24 50.59.32.0/24
50.59.34.0/24 50.59.35.0/24 50.59.36.0/24 50.59.37.0/24
50.59.39.0/24 50.59.40.0/24 50.59.41.0/24 50.59.42.0/24
50.59.44.0/24 50.59.45.0/24 50.59.46.0/24 50.59.47.0/24
50.59.49.0/24 50.59.50.0/24 50.59.51.0/24 50.59.52.0/24
50.59.54.0/24 50.59.55.0/24 50.59.56.0/24 50.59.57.0/24
50.59.59.0/24 50.59.60.0/24 50.59.61.0/24 50.59.62.0/24
50.59.64.0/24 50.59.65.0/24 50.59.66.0/24 50.59.67.0/24
50.59.69.0/24 50.59.70.0/24 50.59.71.0/24 50.59.72.0/24
50.59.74.0/24 50.59.75.0/24 50.59.76.0/24 50.59.77.0/24
50.59.79.0/24 50.59.80.0/24 50.59.81.0/24 50.59.82.0/24
50.59.84.0/24 50.59.85.0/24 50.59.86.0/24 50.59.87.0/24
50.59.89.0/24 50.59.90.0/24 50.59.91.0/24 50.59.92.0/24
50.59.94.0/24 50.59.95.0/24 50.59.96.0/24 50.59.97.0/24
50.59.99.0/24 50.59.100.0/24 50.59.101.0/24 50.59.102.0/24
50.59.104.0/24 50.59.105.0/24 50.59.106.0/24 50.59.107.0/24
50.59.109.0/24 50.59.110.0/24 50.59.111.0/24 50.59.112.0/24
50.59.114.0/24 50.59.115.0/24 50.59.116.0/24 50.59.117.0/24
50.59.119.0/24 50.59.120.0/24 50.59.121.0/24 50.59.122.0/24
50.59.124.0/24 50.59.125.0/24 50.59.126.0/24 50.59.127.0/24
50.59.129.0/24 50.59.130.0/24 50.59.131.0/24 50.59.132.0/24
50.59.134.0/24 50.59.135.0/24 50.59.136.0/24 50.59.137.0/24
50.59.139.0/24 50.59.140.0/24 50.59.141.0/24 50.59.142.0/24
50.59.144.0/24 50.59.145.0/24 50.59.146.0/24 50.59.147.0/24
50.59.149.0/24 50.59.150.0/24 50.59.151.0/24 50.59.152.0/24
50.59.154.0/24 50.59.155.0/24 50.59.156.0/24 50.59.157.0/24
50.59.159.0/24 50.59.160.0/24 50.59.161.0/24 50.59.162.0/24
50.59.164.0/24 50.59.165.0/24 50.59.166.0/24 50.59.167.0/24
50.59.169.0/24 50.59.170.0/24 50.59.171.0/24 50.59.172.0/24
50.59.174.0/24 50.59.175.0/24 50.59.176.0/24 50.59.177.0/24
50.59.179.0/24 50.59.180.0/24 50.59.181.0/24 50.59.182.0/24
50.59.184.0/24 50.59.185.0/24 50.59.186.0/24 50.59.187.0/24
50.59.189.0/24 50.59.190.0/24 50.59.191.0/24 50.59.192.0/24
50.59.194.0/24 50.59.195.0/24 50.59.196.0/24 50.59.197.0/24
50.59.199.0/24 50.59.200.0/24 50.59.201.0/24 50.59.202.0/24
50.59.204.0/24 50.59.205.0/24 50.59.206.0/24 50.59.207.0/24
50.59.209.0/24 50.59.210.0/24 50.59.211.0/24 50.59.212.0/24
50.59.214.0/24 50.59.215.0/24 50.59.216.0/24 50.59.217.0/24
50.59.219.0/24 50.59.220.0/24 50.59.221.0/24 50.59.222.0/24
50.59.224.0/24 50.59.225.0/24 50.59.226.0/24 50.59.227.0/24
50.59.229.0/24 50.59.230.0/24 50.59.231.0/24 50.59.232.0/24
50.59.234.0/24 50.59.235.0/24 50.59.236.0/24 50.59.237.0/24
50.59.239.0/24 50.59.240.0/24 50.59.241.0/24 50.59.242.0/24
50.59.244.0/24 50.59.245.0/24 50.59.246.0/24 50.59.247.0/24
50.59.249.0/24 50.59.250.0/24 50.59.251.0/24 50.59.252.0/24
50.59.254.0/24 50.59.255.0/24