IPv4 prefix

81.209.0.0/17

IP Prefix (CIDR): 81.209.0.0/17
Subnet Mask: 255.255.128.0
Address Count: 32,768
IP Range: 81.209.0.0 - 81.209.127.255
Subnet calculator: Calculate subnet details

Registered Owners

Registration 1 of 2

Owner: Elisa Oyj
Handle: ORG-EO1-RIPE
Country: Finland (FI)
Address: PL 40 00061 ELISA FINLAND
Registry: RIPENCC
Registered Prefix: 81.209.0.0/17 (81.209.0.0 - 81.209.127.255)

Registration 2 of 2

Handle: ELISA-MNT
Country: Finland (FI)
Registry: RIPENCC
Registered Prefixes: 81.209.1.224/27 (81.209.1.224 - 81.209.1.255)
81.209.2.16/29 (81.209.2.16 - 81.209.2.23)
81.209.2.56/29 (81.209.2.56 - 81.209.2.63)
81.209.2.144/29 (81.209.2.144 - 81.209.2.151)
81.209.2.168/29 (81.209.2.168 - 81.209.2.175)
81.209.2.176/29 (81.209.2.176 - 81.209.2.183)
81.209.2.184/29 (81.209.2.184 - 81.209.2.191)
81.209.2.192/29 (81.209.2.192 - 81.209.2.199)
81.209.2.232/30 (81.209.2.232 - 81.209.2.235)
81.209.3.96/30 (81.209.3.96 - 81.209.3.99)
81.209.3.134/31 (81.209.3.134 - 81.209.3.135)
81.209.3.148/30 (81.209.3.148 - 81.209.3.151)
81.209.3.224/30 (81.209.3.224 - 81.209.3.227)
81.209.3.248/31 (81.209.3.248 - 81.209.3.249)
81.209.3.252/30 (81.209.3.252 - 81.209.3.255)
81.209.4.248/30 (81.209.4.248 - 81.209.4.251)
81.209.6.24/29 (81.209.6.24 - 81.209.6.31)
81.209.6.40/29 (81.209.6.40 - 81.209.6.47)
81.209.6.56/30 (81.209.6.56 - 81.209.6.59)
81.209.6.60/30 (81.209.6.60 - 81.209.6.63)
81.209.6.80/29 (81.209.6.80 - 81.209.6.87)
81.209.6.88/29 (81.209.6.88 - 81.209.6.95)
81.209.6.96/29 (81.209.6.96 - 81.209.6.103)
81.209.6.104/29 (81.209.6.104 - 81.209.6.111)
81.209.6.120/29 (81.209.6.120 - 81.209.6.127)
81.209.6.208/29 (81.209.6.208 - 81.209.6.215)
81.209.6.240/28 (81.209.6.240 - 81.209.6.255)
81.209.7.0/26 (81.209.7.0 - 81.209.7.63)
81.209.7.68/30 (81.209.7.68 - 81.209.7.71)
81.209.7.136/29 (81.209.7.136 - 81.209.7.143)
81.209.7.152/29 (81.209.7.152 - 81.209.7.159)
81.209.7.160/29 (81.209.7.160 - 81.209.7.167)
81.209.7.180/30 (81.209.7.180 - 81.209.7.183)
81.209.7.208/29 (81.209.7.208 - 81.209.7.215)
81.209.7.216/30 (81.209.7.216 - 81.209.7.219)
81.209.7.240/30 (81.209.7.240 - 81.209.7.243)
81.209.7.244/30 (81.209.7.244 - 81.209.7.247)
81.209.7.248/29 (81.209.7.248 - 81.209.7.255)
81.209.9.136/29 (81.209.9.136 - 81.209.9.143)
81.209.9.192/29 (81.209.9.192 - 81.209.9.199)
81.209.9.224/27 (81.209.9.224 - 81.209.9.255)
81.209.11.0/24 (81.209.11.0 - 81.209.11.255)
81.209.12.0/29 (81.209.12.0 - 81.209.12.7)
81.209.12.24/29 (81.209.12.24 - 81.209.12.31)
81.209.12.32/29 (81.209.12.32 - 81.209.12.39)
81.209.12.56/29 (81.209.12.56 - 81.209.12.63)
81.209.12.88/29 (81.209.12.88 - 81.209.12.95)
81.209.12.152/29 (81.209.12.152 - 81.209.12.159)
81.209.12.160/29 (81.209.12.160 - 81.209.12.167)
81.209.12.176/29 (81.209.12.176 - 81.209.12.183)
81.209.12.208/29 (81.209.12.208 - 81.209.12.215)
81.209.12.216/29 (81.209.12.216 - 81.209.12.223)
81.209.12.248/29 (81.209.12.248 - 81.209.12.255)
81.209.14.0/29 (81.209.14.0 - 81.209.14.7)
81.209.14.12/30 (81.209.14.12 - 81.209.14.15)
81.209.14.48/29 (81.209.14.48 - 81.209.14.55)
81.209.14.64/29 (81.209.14.64 - 81.209.14.71)
81.209.14.72/29 (81.209.14.72 - 81.209.14.79)
81.209.14.96/29 (81.209.14.96 - 81.209.14.103)
81.209.14.152/29 (81.209.14.152 - 81.209.14.159)
81.209.14.160/28 (81.209.14.160 - 81.209.14.175)
81.209.14.184/29 (81.209.14.184 - 81.209.14.191)
81.209.14.224/29 (81.209.14.224 - 81.209.14.231)
81.209.14.232/30 (81.209.14.232 - 81.209.14.235)
81.209.16.0/24 (81.209.16.0 - 81.209.16.255)
81.209.18.32/27 (81.209.18.32 - 81.209.18.63)
81.209.19.0/24 (81.209.19.0 - 81.209.19.255)
81.209.21.56/30 (81.209.21.56 - 81.209.21.59)
81.209.23.192/28 (81.209.23.192 - 81.209.23.207)
81.209.24.32/30 (81.209.24.32 - 81.209.24.35)
81.209.24.46/31 (81.209.24.46 - 81.209.24.47)
81.209.24.128/30 (81.209.24.128 - 81.209.24.131)
81.209.24.132/31 (81.209.24.132 - 81.209.24.133)
81.209.24.142/31 (81.209.24.142 - 81.209.24.143)
81.209.24.200/31 (81.209.24.200 - 81.209.24.201)
81.209.25.160/28 (81.209.25.160 - 81.209.25.175)
81.209.26.0/27 (81.209.26.0 - 81.209.26.31)
81.209.26.32/27 (81.209.26.32 - 81.209.26.63)
81.209.26.128/25 (81.209.26.128 - 81.209.26.255)
81.209.27.8/29 (81.209.27.8 - 81.209.27.15)
81.209.27.16/29 (81.209.27.16 - 81.209.27.23)
81.209.27.24/29 (81.209.27.24 - 81.209.27.31)
81.209.27.72/29 (81.209.27.72 - 81.209.27.79)
81.209.27.192/29 (81.209.27.192 - 81.209.27.199)
81.209.27.200/29 (81.209.27.200 - 81.209.27.207)
81.209.27.224/29 (81.209.27.224 - 81.209.27.231)
81.209.27.248/29 (81.209.27.248 - 81.209.27.255)
81.209.28.0/24 (81.209.28.0 - 81.209.28.255)
81.209.30.24/29 (81.209.30.24 - 81.209.30.31)
81.209.30.176/29 (81.209.30.176 - 81.209.30.183)
81.209.30.184/29 (81.209.30.184 - 81.209.30.191)
81.209.31.0/27 (81.209.31.0 - 81.209.31.31)
81.209.33.48/29 (81.209.33.48 - 81.209.33.55)
81.209.33.68/30 (81.209.33.68 - 81.209.33.71)
81.209.34.32/29 (81.209.34.32 - 81.209.34.39)
81.209.34.40/29 (81.209.34.40 - 81.209.34.47)
81.209.34.56/29 (81.209.34.56 - 81.209.34.63)
81.209.34.64/29 (81.209.34.64 - 81.209.34.71)
81.209.34.72/29 (81.209.34.72 - 81.209.34.79)
Delegated Prefix: 81.209.0.0/17 (81.209.0.0 - 81.209.127.255)

These results are partial. Additional registration records were omitted.

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
81.209.0.0/17	Exact	AS719	Elisa Oyj	Finland (FI)	81.209.0.0	81.209.127.255