IPv4 prefix

164.128.0.0/16

IP Prefix (CIDR): 164.128.0.0/16
Subnet Mask: 255.255.0.0
Address Count: 65,536
IP Range: 164.128.0.0 - 164.128.255.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 4

Owner: Swisscom (Schweiz) AG
Handle: ORG-SI1-RIPE
Country: Switzerland (CH)
Address: Postfach CH- 3050 Bern SWITZERLAND
Registry: RIPENCC
Registered Prefix: 164.128.0.0/16 (164.128.0.0 - 164.128.255.255)

Registration 2 of 4

Handle: CH-UNISOURCE-MNT
Country: Switzerland (CH)
Registry: RIPENCC
Registered Prefixes: 164.128.12.0/22 (164.128.12.0 - 164.128.15.255)
164.128.16.0/22 (164.128.16.0 - 164.128.19.255)
164.128.32.0/24 (164.128.32.0 - 164.128.32.255)
164.128.36.0/22 (164.128.36.0 - 164.128.39.255)
164.128.54.32/27 (164.128.54.32 - 164.128.54.63)
164.128.54.64/32 (164.128.54.64 - 164.128.54.64)
164.128.76.0/24 (164.128.76.0 - 164.128.76.255)
164.128.77.240/29 (164.128.77.240 - 164.128.77.247)
164.128.77.248/29 (164.128.77.248 - 164.128.77.255)
164.128.78.224/27 (164.128.78.224 - 164.128.78.255)
164.128.86.64/29 (164.128.86.64 - 164.128.86.71)
164.128.86.96/29 (164.128.86.96 - 164.128.86.103)
Delegated Prefix: 164.128.0.0/16 (164.128.0.0 - 164.128.255.255)

Registration 3 of 4

Handle: ch-unisource-admin-mnt
Country: Switzerland (CH)
Registry: RIPENCC
Registered Prefix: 164.128.128.0/19 (164.128.128.0 - 164.128.159.255)
Delegated Prefix: 164.128.0.0/16 (164.128.0.0 - 164.128.255.255)

Registration 4 of 4

Handle: BLUEWINNET-MNT
Country: Switzerland (CH)
Registry: RIPENCC
Registered Prefixes: 164.128.128.8/29 (164.128.128.8 - 164.128.128.15)
164.128.128.40/29 (164.128.128.40 - 164.128.128.47)
164.128.128.56/29 (164.128.128.56 - 164.128.128.63)
164.128.128.64/28 (164.128.128.64 - 164.128.128.79)
164.128.128.80/29 (164.128.128.80 - 164.128.128.87)
164.128.128.96/29 (164.128.128.96 - 164.128.128.103)
164.128.128.112/28 (164.128.128.112 - 164.128.128.127)
164.128.128.144/28 (164.128.128.144 - 164.128.128.159)
164.128.128.160/29 (164.128.128.160 - 164.128.128.167)
164.128.128.168/29 (164.128.128.168 - 164.128.128.175)
164.128.128.176/28 (164.128.128.176 - 164.128.128.191)
164.128.128.192/28 (164.128.128.192 - 164.128.128.207)
164.128.128.208/28 (164.128.128.208 - 164.128.128.223)
164.128.128.224/29 (164.128.128.224 - 164.128.128.231)
164.128.128.232/29 (164.128.128.232 - 164.128.128.239)
164.128.128.240/28 (164.128.128.240 - 164.128.128.255)
164.128.129.0/29 (164.128.129.0 - 164.128.129.7)
164.128.129.8/29 (164.128.129.8 - 164.128.129.15)
164.128.129.16/28 (164.128.129.16 - 164.128.129.31)
164.128.129.32/29 (164.128.129.32 - 164.128.129.39)
164.128.129.48/29 (164.128.129.48 - 164.128.129.55)
164.128.129.56/29 (164.128.129.56 - 164.128.129.63)
164.128.129.72/29 (164.128.129.72 - 164.128.129.79)
164.128.129.80/29 (164.128.129.80 - 164.128.129.87)
164.128.129.88/29 (164.128.129.88 - 164.128.129.95)
164.128.129.96/27 (164.128.129.96 - 164.128.129.127)
164.128.129.136/29 (164.128.129.136 - 164.128.129.143)
164.128.129.144/28 (164.128.129.144 - 164.128.129.159)
164.128.129.160/29 (164.128.129.160 - 164.128.129.167)
164.128.129.176/29 (164.128.129.176 - 164.128.129.183)
164.128.129.184/29 (164.128.129.184 - 164.128.129.191)
164.128.129.200/29 (164.128.129.200 - 164.128.129.207)
164.128.129.224/28 (164.128.129.224 - 164.128.129.239)
164.128.129.240/28 (164.128.129.240 - 164.128.129.255)
164.128.130.0/28 (164.128.130.0 - 164.128.130.15)
164.128.130.24/29 (164.128.130.24 - 164.128.130.31)
164.128.130.48/28 (164.128.130.48 - 164.128.130.63)
164.128.130.64/29 (164.128.130.64 - 164.128.130.71)
164.128.130.80/29 (164.128.130.80 - 164.128.130.87)
164.128.130.88/29 (164.128.130.88 - 164.128.130.95)
164.128.130.104/29 (164.128.130.104 - 164.128.130.111)
164.128.130.112/29 (164.128.130.112 - 164.128.130.119)
164.128.130.120/29 (164.128.130.120 - 164.128.130.127)
164.128.130.128/26 (164.128.130.128 - 164.128.130.191)
164.128.130.192/29 (164.128.130.192 - 164.128.130.199)
164.128.130.224/28 (164.128.130.224 - 164.128.130.239)
164.128.130.240/29 (164.128.130.240 - 164.128.130.247)
164.128.130.248/29 (164.128.130.248 - 164.128.130.255)
164.128.131.8/29 (164.128.131.8 - 164.128.131.15)
164.128.131.16/29 (164.128.131.16 - 164.128.131.23)
164.128.131.32/28 (164.128.131.32 - 164.128.131.47)
164.128.131.48/28 (164.128.131.48 - 164.128.131.63)
164.128.131.72/29 (164.128.131.72 - 164.128.131.79)
164.128.131.80/28 (164.128.131.80 - 164.128.131.95)
164.128.131.128/28 (164.128.131.128 - 164.128.131.143)
164.128.131.144/29 (164.128.131.144 - 164.128.131.151)
164.128.131.152/29 (164.128.131.152 - 164.128.131.159)
164.128.131.160/28 (164.128.131.160 - 164.128.131.175)
164.128.131.176/28 (164.128.131.176 - 164.128.131.191)
164.128.131.200/29 (164.128.131.200 - 164.128.131.207)
164.128.131.208/28 (164.128.131.208 - 164.128.131.223)
164.128.131.224/27 (164.128.131.224 - 164.128.131.255)
164.128.132.0/29 (164.128.132.0 - 164.128.132.7)
164.128.132.8/29 (164.128.132.8 - 164.128.132.15)
164.128.132.16/28 (164.128.132.16 - 164.128.132.31)
164.128.132.32/29 (164.128.132.32 - 164.128.132.39)
164.128.132.40/29 (164.128.132.40 - 164.128.132.47)
164.128.132.48/29 (164.128.132.48 - 164.128.132.55)
164.128.132.80/28 (164.128.132.80 - 164.128.132.95)
164.128.132.96/27 (164.128.132.96 - 164.128.132.127)
164.128.132.152/29 (164.128.132.152 - 164.128.132.159)
164.128.132.168/29 (164.128.132.168 - 164.128.132.175)
164.128.132.176/29 (164.128.132.176 - 164.128.132.183)
164.128.132.192/28 (164.128.132.192 - 164.128.132.207)
164.128.132.208/29 (164.128.132.208 - 164.128.132.215)
164.128.132.224/29 (164.128.132.224 - 164.128.132.231)
164.128.132.232/29 (164.128.132.232 - 164.128.132.239)
164.128.133.0/29 (164.128.133.0 - 164.128.133.7)
164.128.133.8/29 (164.128.133.8 - 164.128.133.15)
164.128.133.16/28 (164.128.133.16 - 164.128.133.31)
164.128.133.32/28 (164.128.133.32 - 164.128.133.47)
164.128.133.56/29 (164.128.133.56 - 164.128.133.63)
164.128.133.64/29 (164.128.133.64 - 164.128.133.71)
164.128.133.80/28 (164.128.133.80 - 164.128.133.95)
164.128.133.112/29 (164.128.133.112 - 164.128.133.119)
164.128.133.128/29 (164.128.133.128 - 164.128.133.135)
Delegated Prefix: 164.128.0.0/16 (164.128.0.0 - 164.128.255.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
164.128.32.0/19	More specific	AS3303	Swisscom (Schweiz) AG	Switzerland (CH)	164.128.32.0	164.128.63.255
164.128.64.0/19	More specific	AS3303	Swisscom (Schweiz) AG	Switzerland (CH)	164.128.64.0	164.128.95.255
164.128.128.0/17	More specific	AS3303	Swisscom (Schweiz) AG	Switzerland (CH)	164.128.128.0	164.128.255.255