IPv4 prefix

89.31.48.0/21

IP Prefix (CIDR): 89.31.48.0/21
Subnet Mask: 255.255.248.0
Address Count: 2,048
IP Range: 89.31.48.0 - 89.31.55.255
Subnet calculator: Calculate subnet details

Registration 1 of 2

Owner: Telecom Italia S.p.A.
Handle: ORG-TIS3-RIPE
Country: Italy (IT)
Address: Via Negri, 1 20123 Milano ITALY
Registry: RIPENCC
Registered Prefix: 89.31.48.0/21 (89.31.48.0 - 89.31.55.255)

Registration 2 of 2

Handle: FULCOM-MNT-RIPE
Country: Italy (IT)
Registry: RIPENCC
Registered Prefixes: 89.31.48.32/29 (89.31.48.32 - 89.31.48.39)
89.31.48.144/28 (89.31.48.144 - 89.31.48.159)
89.31.48.192/27 (89.31.48.192 - 89.31.48.223)
89.31.48.224/27 (89.31.48.224 - 89.31.48.255)
89.31.49.0/27 (89.31.49.0 - 89.31.49.31)
89.31.49.64/26 (89.31.49.64 - 89.31.49.127)
89.31.49.128/28 (89.31.49.128 - 89.31.49.143)
89.31.49.160/27 (89.31.49.160 - 89.31.49.191)
89.31.49.192/27 (89.31.49.192 - 89.31.49.223)
89.31.49.240/28 (89.31.49.240 - 89.31.49.255)
89.31.50.0/26 (89.31.50.0 - 89.31.50.63)
89.31.50.160/28 (89.31.50.160 - 89.31.50.175)
89.31.50.176/28 (89.31.50.176 - 89.31.50.191)
89.31.50.192/27 (89.31.50.192 - 89.31.50.223)
89.31.50.240/29 (89.31.50.240 - 89.31.50.247)
89.31.51.128/28 (89.31.51.128 - 89.31.51.143)
89.31.51.144/29 (89.31.51.144 - 89.31.51.151)
89.31.51.160/28 (89.31.51.160 - 89.31.51.175)
89.31.51.192/27 (89.31.51.192 - 89.31.51.223)
89.31.51.224/28 (89.31.51.224 - 89.31.51.239)
89.31.51.240/28 (89.31.51.240 - 89.31.51.255)
89.31.52.0/27 (89.31.52.0 - 89.31.52.31)
89.31.53.129/32 (89.31.53.129 - 89.31.53.129)
89.31.53.145/32 (89.31.53.145 - 89.31.53.145)
89.31.53.156/30 (89.31.53.156 - 89.31.53.159)
89.31.53.160/31 (89.31.53.160 - 89.31.53.161)
89.31.53.170/31 (89.31.53.170 - 89.31.53.171)
89.31.53.174/31 (89.31.53.174 - 89.31.53.175)
89.31.53.178/31 (89.31.53.178 - 89.31.53.179)
89.31.53.180/30 (89.31.53.180 - 89.31.53.183)
89.31.53.184/30 (89.31.53.184 - 89.31.53.187)
89.31.53.188/31 (89.31.53.188 - 89.31.53.189)
89.31.53.190/32 (89.31.53.190 - 89.31.53.190)
89.31.54.0/24 (89.31.54.0 - 89.31.54.255)
89.31.55.0/24 (89.31.55.0 - 89.31.55.255)
Delegated Prefix: 89.31.48.0/21 (89.31.48.0 - 89.31.55.255)

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
89.31.48.0/21	Exact	AS20746	Telecom Italia S.p.A.	Italy (IT)	89.31.48.0	89.31.55.255