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IPv4 prefix

217.153.0.0/16

IP Prefix (CIDR)
217.153.0.0/16
Subnet Mask
255.255.0.0
Address Count
65,536
IP Range
217.153.0.0 - 217.153.255.255
Subnet calculator
Calculate subnet details
Registered Owners
Registration 1 of 2
Owner
T-Mobile Polska S.A.
Handle
ORG-ITP1-RIPE
Country
Poland (PL)
Address
Marynarska 12 02-674 Warszawa POLAND
Registry
RIPENCC
Registered Prefix
217.153.0.0/16 (217.153.0.0 - 217.153.255.255)
Delegated Prefix
217.153.0.0/17 (217.153.0.0 - 217.153.127.255)
Registration 2 of 2
Handle
AS8246-MNT
Country
Poland (PL)
Registry
RIPENCC
Registered Prefixes
217.153.0.0/24 (217.153.0.0 - 217.153.0.255)
217.153.1.0/24 (217.153.1.0 - 217.153.1.255)
217.153.2.0/23 (217.153.2.0 - 217.153.3.255)
217.153.4.0/29 (217.153.4.0 - 217.153.4.7)
217.153.4.8/29 (217.153.4.8 - 217.153.4.15)
217.153.4.16/30 (217.153.4.16 - 217.153.4.19)
217.153.4.20/30 (217.153.4.20 - 217.153.4.23)
217.153.4.24/29 (217.153.4.24 - 217.153.4.31)
217.153.4.32/29 (217.153.4.32 - 217.153.4.39)
217.153.4.40/30 (217.153.4.40 - 217.153.4.43)
217.153.4.44/30 (217.153.4.44 - 217.153.4.47)
217.153.4.48/28 (217.153.4.48 - 217.153.4.63)
217.153.4.64/26 (217.153.4.64 - 217.153.4.127)
217.153.4.156/30 (217.153.4.156 - 217.153.4.159)
217.153.4.160/29 (217.153.4.160 - 217.153.4.167)
217.153.4.168/29 (217.153.4.168 - 217.153.4.175)
217.153.4.192/26 (217.153.4.192 - 217.153.4.255)
217.153.6.0/28 (217.153.6.0 - 217.153.6.15)
217.153.6.16/29 (217.153.6.16 - 217.153.6.23)
217.153.6.32/29 (217.153.6.32 - 217.153.6.39)
217.153.6.40/30 (217.153.6.40 - 217.153.6.43)
217.153.6.44/30 (217.153.6.44 - 217.153.6.47)
217.153.6.48/29 (217.153.6.48 - 217.153.6.55)
217.153.6.64/30 (217.153.6.64 - 217.153.6.67)
217.153.6.68/30 (217.153.6.68 - 217.153.6.71)
217.153.6.76/30 (217.153.6.76 - 217.153.6.79)
217.153.6.80/28 (217.153.6.80 - 217.153.6.95)
217.153.6.96/27 (217.153.6.96 - 217.153.6.127)
217.153.6.128/26 (217.153.6.128 - 217.153.6.191)
217.153.6.192/29 (217.153.6.192 - 217.153.6.199)
217.153.6.204/30 (217.153.6.204 - 217.153.6.207)
217.153.6.208/28 (217.153.6.208 - 217.153.6.223)
217.153.6.224/27 (217.153.6.224 - 217.153.6.255)
217.153.7.0/30 (217.153.7.0 - 217.153.7.3)
217.153.7.4/30 (217.153.7.4 - 217.153.7.7)
217.153.7.8/29 (217.153.7.8 - 217.153.7.15)
217.153.7.16/28 (217.153.7.16 - 217.153.7.31)
217.153.7.32/29 (217.153.7.32 - 217.153.7.39)
217.153.7.40/29 (217.153.7.40 - 217.153.7.47)
217.153.7.48/30 (217.153.7.48 - 217.153.7.51)
217.153.7.52/30 (217.153.7.52 - 217.153.7.55)
217.153.7.56/29 (217.153.7.56 - 217.153.7.63)
217.153.7.64/27 (217.153.7.64 - 217.153.7.95)
217.153.7.104/29 (217.153.7.104 - 217.153.7.111)
217.153.7.112/30 (217.153.7.112 - 217.153.7.115)
217.153.7.120/30 (217.153.7.120 - 217.153.7.123)
217.153.7.136/29 (217.153.7.136 - 217.153.7.143)
217.153.7.144/30 (217.153.7.144 - 217.153.7.147)
217.153.7.152/29 (217.153.7.152 - 217.153.7.159)
217.153.7.192/29 (217.153.7.192 - 217.153.7.199)
217.153.7.200/30 (217.153.7.200 - 217.153.7.203)
217.153.7.204/30 (217.153.7.204 - 217.153.7.207)
217.153.7.208/29 (217.153.7.208 - 217.153.7.215)
217.153.7.224/30 (217.153.7.224 - 217.153.7.227)
217.153.7.228/30 (217.153.7.228 - 217.153.7.231)
217.153.7.236/30 (217.153.7.236 - 217.153.7.239)
217.153.7.240/30 (217.153.7.240 - 217.153.7.243)
217.153.7.244/30 (217.153.7.244 - 217.153.7.247)
217.153.8.0/28 (217.153.8.0 - 217.153.8.15)
217.153.8.20/30 (217.153.8.20 - 217.153.8.23)
217.153.8.24/29 (217.153.8.24 - 217.153.8.31)
217.153.8.40/29 (217.153.8.40 - 217.153.8.47)
217.153.8.48/29 (217.153.8.48 - 217.153.8.55)
217.153.8.56/29 (217.153.8.56 - 217.153.8.63)
217.153.8.76/30 (217.153.8.76 - 217.153.8.79)
217.153.8.84/30 (217.153.8.84 - 217.153.8.87)
217.153.8.92/30 (217.153.8.92 - 217.153.8.95)
217.153.8.96/29 (217.153.8.96 - 217.153.8.103)
217.153.8.108/30 (217.153.8.108 - 217.153.8.111)
217.153.8.112/30 (217.153.8.112 - 217.153.8.115)
217.153.8.120/30 (217.153.8.120 - 217.153.8.123)
217.153.8.128/28 (217.153.8.128 - 217.153.8.143)
217.153.8.144/30 (217.153.8.144 - 217.153.8.147)
217.153.8.152/30 (217.153.8.152 - 217.153.8.155)
217.153.8.160/28 (217.153.8.160 - 217.153.8.175)
217.153.8.176/29 (217.153.8.176 - 217.153.8.183)
217.153.8.192/29 (217.153.8.192 - 217.153.8.199)
217.153.8.204/30 (217.153.8.204 - 217.153.8.207)
217.153.8.208/29 (217.153.8.208 - 217.153.8.215)
217.153.9.16/29 (217.153.9.16 - 217.153.9.23)
217.153.9.24/30 (217.153.9.24 - 217.153.9.27)
217.153.9.28/30 (217.153.9.28 - 217.153.9.31)
217.153.9.64/28 (217.153.9.64 - 217.153.9.79)
217.153.9.104/29 (217.153.9.104 - 217.153.9.111)
217.153.9.112/30 (217.153.9.112 - 217.153.9.115)
217.153.9.116/30 (217.153.9.116 - 217.153.9.119)
217.153.9.120/30 (217.153.9.120 - 217.153.9.123)
217.153.9.124/30 (217.153.9.124 - 217.153.9.127)
217.153.9.144/29 (217.153.9.144 - 217.153.9.151)
217.153.9.152/30 (217.153.9.152 - 217.153.9.155)
217.153.9.156/30 (217.153.9.156 - 217.153.9.159)
217.153.9.160/27 (217.153.9.160 - 217.153.9.191)
217.153.9.192/30 (217.153.9.192 - 217.153.9.195)
217.153.9.200/29 (217.153.9.200 - 217.153.9.207)
217.153.9.224/29 (217.153.9.224 - 217.153.9.231)
217.153.9.232/29 (217.153.9.232 - 217.153.9.239)
217.153.9.240/28 (217.153.9.240 - 217.153.9.255)
217.153.10.16/28 (217.153.10.16 - 217.153.10.31)
217.153.10.36/30 (217.153.10.36 - 217.153.10.39)
Delegated Prefix
217.153.0.0/17 (217.153.0.0 - 217.153.127.255)

These results are partial. Additional registration records were omitted.

BGP Announcements
Announced Prefix Relationship Origin ASN Description Country First Address Last Address
217.153.0.0/16 Exact AS12912 T-Mobile Polska S.A. Poland (PL) 217.153.0.0 217.153.255.255
217.153.116.0/24 More specific AS201581 ENERGA INFORMATYKA I TECHNOLOGIE SP. Z O.O. Poland (PL) 217.153.116.0 217.153.116.255
217.153.122.0/24 More specific AS33895 T-Systems Polska Sp. z o.o. Poland (PL) 217.153.122.0 217.153.122.255
217.153.126.0/24 More specific AS201253 PKP Intercity S.A. Poland (PL) 217.153.126.0 217.153.126.255
217.153.154.0/23 More specific AS199410 TMF Poland TruNet Maciej Filipowicz Poland (PL) 217.153.154.0 217.153.155.255