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IPv4 prefix

81.3.128.0/18

IP Prefix (CIDR)
81.3.128.0/18
Subnet Mask
255.255.192.0
Address Count
16,384
IP Range
81.3.128.0 - 81.3.191.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 3
Owner
PJSC MegaFon
Handle
ORG-OM1-RIPE
Country
Russian Federation (RU)
Address
41, Oruzheyniy lane 127006 Moscow RUSSIAN FEDERATION
Registry
RIPENCC
Registered Prefix
81.3.128.0/18 (81.3.128.0 - 81.3.191.255)
Registration 2 of 3
Handle
MNT-MF-NWGSM
Country
Russian Federation (RU)
Registry
RIPENCC
Registered Prefixes
81.3.128.0/24 (81.3.128.0 - 81.3.128.255)
81.3.129.112/28 (81.3.129.112 - 81.3.129.127)
Delegated Prefix
81.3.128.0/18 (81.3.128.0 - 81.3.191.255)
Registration 3 of 3
Handle
PSTAR-MNT
Country
Russian Federation (RU)
Registry
RIPENCC
Registered Prefixes
81.3.129.0/27 (81.3.129.0 - 81.3.129.31)
81.3.129.32/28 (81.3.129.32 - 81.3.129.47)
81.3.129.48/30 (81.3.129.48 - 81.3.129.51)
81.3.129.52/30 (81.3.129.52 - 81.3.129.55)
81.3.129.56/30 (81.3.129.56 - 81.3.129.59)
81.3.129.60/30 (81.3.129.60 - 81.3.129.63)
81.3.129.64/29 (81.3.129.64 - 81.3.129.71)
81.3.129.72/30 (81.3.129.72 - 81.3.129.75)
81.3.129.76/30 (81.3.129.76 - 81.3.129.79)
81.3.129.80/28 (81.3.129.80 - 81.3.129.95)
81.3.129.96/30 (81.3.129.96 - 81.3.129.99)
81.3.129.100/30 (81.3.129.100 - 81.3.129.103)
81.3.129.104/30 (81.3.129.104 - 81.3.129.107)
81.3.129.108/30 (81.3.129.108 - 81.3.129.111)
81.3.129.128/26 (81.3.129.128 - 81.3.129.191)
81.3.129.192/26 (81.3.129.192 - 81.3.129.255)
81.3.130.8/29 (81.3.130.8 - 81.3.130.15)
81.3.130.24/30 (81.3.130.24 - 81.3.130.27)
81.3.130.28/30 (81.3.130.28 - 81.3.130.31)
81.3.130.32/30 (81.3.130.32 - 81.3.130.35)
81.3.130.36/30 (81.3.130.36 - 81.3.130.39)
81.3.130.48/30 (81.3.130.48 - 81.3.130.51)
81.3.130.52/30 (81.3.130.52 - 81.3.130.55)
81.3.130.64/30 (81.3.130.64 - 81.3.130.67)
81.3.130.68/30 (81.3.130.68 - 81.3.130.71)
81.3.130.80/29 (81.3.130.80 - 81.3.130.87)
81.3.130.96/30 (81.3.130.96 - 81.3.130.99)
81.3.130.100/30 (81.3.130.100 - 81.3.130.103)
81.3.130.104/30 (81.3.130.104 - 81.3.130.107)
81.3.130.108/30 (81.3.130.108 - 81.3.130.111)
81.3.130.112/30 (81.3.130.112 - 81.3.130.115)
81.3.130.116/30 (81.3.130.116 - 81.3.130.119)
81.3.130.120/30 (81.3.130.120 - 81.3.130.123)
81.3.130.124/30 (81.3.130.124 - 81.3.130.127)
81.3.130.128/30 (81.3.130.128 - 81.3.130.131)
81.3.130.132/30 (81.3.130.132 - 81.3.130.135)
81.3.130.144/30 (81.3.130.144 - 81.3.130.147)
81.3.130.148/30 (81.3.130.148 - 81.3.130.151)
81.3.130.152/29 (81.3.130.152 - 81.3.130.159)
81.3.130.160/30 (81.3.130.160 - 81.3.130.163)
81.3.130.164/30 (81.3.130.164 - 81.3.130.167)
81.3.130.168/30 (81.3.130.168 - 81.3.130.171)
81.3.130.172/30 (81.3.130.172 - 81.3.130.175)
81.3.130.176/29 (81.3.130.176 - 81.3.130.183)
81.3.130.192/30 (81.3.130.192 - 81.3.130.195)
81.3.130.196/30 (81.3.130.196 - 81.3.130.199)
81.3.130.200/30 (81.3.130.200 - 81.3.130.203)
81.3.130.204/30 (81.3.130.204 - 81.3.130.207)
81.3.130.208/30 (81.3.130.208 - 81.3.130.211)
81.3.130.212/30 (81.3.130.212 - 81.3.130.215)
81.3.130.216/30 (81.3.130.216 - 81.3.130.219)
81.3.130.220/30 (81.3.130.220 - 81.3.130.223)
81.3.130.224/29 (81.3.130.224 - 81.3.130.231)
81.3.130.240/30 (81.3.130.240 - 81.3.130.243)
81.3.131.0/29 (81.3.131.0 - 81.3.131.7)
81.3.131.8/30 (81.3.131.8 - 81.3.131.11)
81.3.131.12/32 (81.3.131.12 - 81.3.131.12)
81.3.131.13/32 (81.3.131.13 - 81.3.131.13)
81.3.131.16/30 (81.3.131.16 - 81.3.131.19)
81.3.131.20/30 (81.3.131.20 - 81.3.131.23)
81.3.131.24/30 (81.3.131.24 - 81.3.131.27)
81.3.131.28/30 (81.3.131.28 - 81.3.131.31)
81.3.131.32/30 (81.3.131.32 - 81.3.131.35)
81.3.131.39/32 (81.3.131.39 - 81.3.131.39)
81.3.131.40/30 (81.3.131.40 - 81.3.131.43)
81.3.131.44/30 (81.3.131.44 - 81.3.131.47)
81.3.131.48/30 (81.3.131.48 - 81.3.131.51)
81.3.131.52/32 (81.3.131.52 - 81.3.131.52)
81.3.131.56/30 (81.3.131.56 - 81.3.131.59)
81.3.131.60/30 (81.3.131.60 - 81.3.131.63)
81.3.131.64/29 (81.3.131.64 - 81.3.131.71)
81.3.131.75/32 (81.3.131.75 - 81.3.131.75)
81.3.131.78/32 (81.3.131.78 - 81.3.131.78)
81.3.131.80/30 (81.3.131.80 - 81.3.131.83)
81.3.131.84/30 (81.3.131.84 - 81.3.131.87)
81.3.131.88/30 (81.3.131.88 - 81.3.131.91)
81.3.131.92/30 (81.3.131.92 - 81.3.131.95)
81.3.131.96/30 (81.3.131.96 - 81.3.131.99)
81.3.131.103/32 (81.3.131.103 - 81.3.131.103)
81.3.131.105/32 (81.3.131.105 - 81.3.131.105)
81.3.131.108/30 (81.3.131.108 - 81.3.131.111)
81.3.131.112/30 (81.3.131.112 - 81.3.131.115)
81.3.131.117/32 (81.3.131.117 - 81.3.131.117)
81.3.131.120/30 (81.3.131.120 - 81.3.131.123)
81.3.131.124/30 (81.3.131.124 - 81.3.131.127)
81.3.131.160/30 (81.3.131.160 - 81.3.131.163)
81.3.131.164/30 (81.3.131.164 - 81.3.131.167)
81.3.131.168/32 (81.3.131.168 - 81.3.131.168)
81.3.131.174/32 (81.3.131.174 - 81.3.131.174)
81.3.131.177/32 (81.3.131.177 - 81.3.131.177)
81.3.131.180/30 (81.3.131.180 - 81.3.131.183)
81.3.131.184/30 (81.3.131.184 - 81.3.131.187)
81.3.131.188/30 (81.3.131.188 - 81.3.131.191)
81.3.131.192/30 (81.3.131.192 - 81.3.131.195)
81.3.131.198/32 (81.3.131.198 - 81.3.131.198)
81.3.131.200/30 (81.3.131.200 - 81.3.131.203)
81.3.131.204/32 (81.3.131.204 - 81.3.131.204)
Delegated Prefix
81.3.128.0/18 (81.3.128.0 - 81.3.191.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
81.3.128.0/18 Exact AS20632 PJSC MegaFon Russian Federation (RU) 81.3.128.0 81.3.191.255
81.3.154.0/24 More specific AS56679 Voin Telecom LLC Russian Federation (RU) 81.3.154.0 81.3.154.255