IPv4 prefix

77.144.0.0/12

IP Prefix (CIDR): 77.144.0.0/12
Subnet Mask: 255.240.0.0
Address Count: 1,048,576
IP Range: 77.144.0.0 - 77.159.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 3

Owner: Societe Francaise Du Radiotelephone - SFR SA
Handle: ORG-VF1-RIPE
Country: France (FR)
Address: 16 rue du Général Alain De Boissieu 75015 Paris FRANCE
Registry: RIPENCC
Registered Prefix: 77.128.0.0/11 (77.128.0.0 - 77.159.255.255)

Registration 2 of 3

Handle: SFR-MNT
Country: France (FR)
Registry: RIPENCC
Registered Prefixes: 77.144.0.0/13 (77.144.0.0 - 77.151.255.255)
77.152.0.0/16 (77.152.0.0 - 77.152.255.255)
77.153.0.0/18 (77.153.0.0 - 77.153.63.255)
77.153.64.0/19 (77.153.64.0 - 77.153.95.255)
77.153.97.16/28 (77.153.97.16 - 77.153.97.31)
77.153.97.88/29 (77.153.97.88 - 77.153.97.95)
Delegated Prefix: 77.128.0.0/11 (77.128.0.0 - 77.159.255.255)

Registration 3 of 3

Handle: LDCOM-MNT
Country: France (FR)
Registry: RIPENCC
Registered Prefixes: 77.153.96.24/29 (77.153.96.24 - 77.153.96.31)
77.153.96.32/29 (77.153.96.32 - 77.153.96.39)
77.153.96.40/29 (77.153.96.40 - 77.153.96.47)
77.153.97.0/29 (77.153.97.0 - 77.153.97.7)
77.153.97.8/29 (77.153.97.8 - 77.153.97.15)
77.153.97.32/27 (77.153.97.32 - 77.153.97.63)
77.153.97.64/29 (77.153.97.64 - 77.153.97.71)
77.153.97.72/30 (77.153.97.72 - 77.153.97.75)
77.153.97.76/30 (77.153.97.76 - 77.153.97.79)
77.153.97.80/29 (77.153.97.80 - 77.153.97.87)
77.153.97.96/27 (77.153.97.96 - 77.153.97.127)
77.153.97.128/28 (77.153.97.128 - 77.153.97.143)
77.153.97.144/28 (77.153.97.144 - 77.153.97.159)
77.153.97.160/29 (77.153.97.160 - 77.153.97.167)
77.153.97.168/29 (77.153.97.168 - 77.153.97.175)
77.153.97.176/30 (77.153.97.176 - 77.153.97.179)
77.153.97.180/30 (77.153.97.180 - 77.153.97.183)
77.153.97.184/29 (77.153.97.184 - 77.153.97.191)
77.153.97.192/27 (77.153.97.192 - 77.153.97.223)
77.153.97.224/27 (77.153.97.224 - 77.153.97.255)
77.153.98.8/29 (77.153.98.8 - 77.153.98.15)
77.153.100.4/30 (77.153.100.4 - 77.153.100.7)
77.153.100.8/30 (77.153.100.8 - 77.153.100.11)
77.153.100.12/30 (77.153.100.12 - 77.153.100.15)
77.153.100.16/29 (77.153.100.16 - 77.153.100.23)
77.153.100.24/30 (77.153.100.24 - 77.153.100.27)
77.153.100.28/30 (77.153.100.28 - 77.153.100.31)
77.153.100.32/29 (77.153.100.32 - 77.153.100.39)
77.153.100.40/30 (77.153.100.40 - 77.153.100.43)
77.153.100.48/29 (77.153.100.48 - 77.153.100.55)
77.153.100.56/29 (77.153.100.56 - 77.153.100.63)
77.153.100.64/30 (77.153.100.64 - 77.153.100.67)
77.153.100.68/30 (77.153.100.68 - 77.153.100.71)
77.153.100.72/29 (77.153.100.72 - 77.153.100.79)
77.153.100.80/30 (77.153.100.80 - 77.153.100.83)
77.153.100.84/30 (77.153.100.84 - 77.153.100.87)
77.153.100.88/30 (77.153.100.88 - 77.153.100.91)
77.153.100.92/30 (77.153.100.92 - 77.153.100.95)
77.153.100.96/30 (77.153.100.96 - 77.153.100.99)
77.153.100.100/30 (77.153.100.100 - 77.153.100.103)
77.153.100.104/30 (77.153.100.104 - 77.153.100.107)
77.153.100.108/30 (77.153.100.108 - 77.153.100.111)
77.153.100.112/28 (77.153.100.112 - 77.153.100.127)
77.153.100.128/29 (77.153.100.128 - 77.153.100.135)
77.153.100.136/30 (77.153.100.136 - 77.153.100.139)
77.153.100.140/30 (77.153.100.140 - 77.153.100.143)
77.153.100.144/30 (77.153.100.144 - 77.153.100.147)
77.153.100.148/30 (77.153.100.148 - 77.153.100.151)
77.153.100.152/30 (77.153.100.152 - 77.153.100.155)
77.153.100.156/30 (77.153.100.156 - 77.153.100.159)
77.153.100.160/30 (77.153.100.160 - 77.153.100.163)
77.153.100.164/30 (77.153.100.164 - 77.153.100.167)
77.153.100.168/30 (77.153.100.168 - 77.153.100.171)
77.153.100.176/30 (77.153.100.176 - 77.153.100.179)
77.153.100.180/30 (77.153.100.180 - 77.153.100.183)
77.153.100.184/30 (77.153.100.184 - 77.153.100.187)
77.153.100.188/30 (77.153.100.188 - 77.153.100.191)
77.153.100.192/29 (77.153.100.192 - 77.153.100.199)
77.153.100.200/29 (77.153.100.200 - 77.153.100.207)
77.153.100.208/29 (77.153.100.208 - 77.153.100.215)
77.153.100.220/30 (77.153.100.220 - 77.153.100.223)
77.153.100.224/30 (77.153.100.224 - 77.153.100.227)
77.153.100.232/29 (77.153.100.232 - 77.153.100.239)
77.153.101.0/30 (77.153.101.0 - 77.153.101.3)
77.153.101.4/30 (77.153.101.4 - 77.153.101.7)
77.153.101.8/29 (77.153.101.8 - 77.153.101.15)
77.153.101.16/28 (77.153.101.16 - 77.153.101.31)
77.153.101.32/27 (77.153.101.32 - 77.153.101.63)
77.153.101.64/28 (77.153.101.64 - 77.153.101.79)
77.153.101.80/29 (77.153.101.80 - 77.153.101.87)
77.153.101.88/30 (77.153.101.88 - 77.153.101.91)
77.153.101.92/30 (77.153.101.92 - 77.153.101.95)
77.153.101.96/29 (77.153.101.96 - 77.153.101.103)
77.153.101.104/29 (77.153.101.104 - 77.153.101.111)
77.153.101.112/28 (77.153.101.112 - 77.153.101.127)
77.153.101.128/28 (77.153.101.128 - 77.153.101.143)
77.153.101.144/28 (77.153.101.144 - 77.153.101.159)
77.153.101.160/27 (77.153.101.160 - 77.153.101.191)
77.153.101.192/27 (77.153.101.192 - 77.153.101.223)
77.153.101.224/30 (77.153.101.224 - 77.153.101.227)
77.153.101.228/30 (77.153.101.228 - 77.153.101.231)
77.153.101.232/29 (77.153.101.232 - 77.153.101.239)
77.153.101.240/29 (77.153.101.240 - 77.153.101.247)
77.153.101.248/30 (77.153.101.248 - 77.153.101.251)
77.153.101.252/30 (77.153.101.252 - 77.153.101.255)
77.153.102.1/32 (77.153.102.1 - 77.153.102.1)
77.153.102.2/32 (77.153.102.2 - 77.153.102.2)
77.153.102.3/32 (77.153.102.3 - 77.153.102.3)
77.153.102.4/30 (77.153.102.4 - 77.153.102.7)
77.153.102.8/29 (77.153.102.8 - 77.153.102.15)
77.153.102.16/28 (77.153.102.16 - 77.153.102.31)
77.153.102.32/27 (77.153.102.32 - 77.153.102.63)
77.153.102.64/27 (77.153.102.64 - 77.153.102.95)
Delegated Prefix: 77.128.0.0/11 (77.128.0.0 - 77.159.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
77.144.0.0/12	Exact	AS15557	Societe Francaise Du Radiotelephone - SFR SA	France (FR)	77.144.0.0	77.159.255.255