IPv4 prefix

91.100.0.0/15

IP Prefix (CIDR): 91.100.0.0/15
Subnet Mask: 255.254.0.0
Address Count: 131,072
IP Range: 91.100.0.0 - 91.101.255.255
Subnet calculator: Calculate subnet details

Registration 1 of 2

Owner: RIPE-NCC-MANAGED-ADDRESS-BLOCK
Registry: RIPENCC
Registered Prefix: 91.0.0.0/8 (91.0.0.0 - 91.255.255.255)
Delegated Prefix: 91.205.248.0/22 (91.205.248.0 - 91.205.251.255)

Registration 2 of 2

Handle: AS15516-MNT
Country: Denmark (DK)
Registry: RIPENCC
Registered Prefixes: 91.100.0.0/26 (91.100.0.0 - 91.100.0.63)
91.100.0.64/26 (91.100.0.64 - 91.100.0.127)
91.100.0.128/26 (91.100.0.128 - 91.100.0.191)
91.100.0.192/27 (91.100.0.192 - 91.100.0.223)
91.100.0.224/27 (91.100.0.224 - 91.100.0.255)
91.100.1.0/28 (91.100.1.0 - 91.100.1.15)
91.100.1.16/28 (91.100.1.16 - 91.100.1.31)
91.100.1.32/28 (91.100.1.32 - 91.100.1.47)
91.100.1.48/28 (91.100.1.48 - 91.100.1.63)
91.100.1.64/28 (91.100.1.64 - 91.100.1.79)
91.100.1.80/28 (91.100.1.80 - 91.100.1.95)
91.100.1.96/27 (91.100.1.96 - 91.100.1.127)
91.100.1.128/27 (91.100.1.128 - 91.100.1.159)
91.100.1.160/28 (91.100.1.160 - 91.100.1.175)
91.100.1.176/28 (91.100.1.176 - 91.100.1.191)
91.100.1.192/27 (91.100.1.192 - 91.100.1.223)
91.100.1.224/27 (91.100.1.224 - 91.100.1.255)
91.100.3.0/27 (91.100.3.0 - 91.100.3.31)
91.100.3.32/27 (91.100.3.32 - 91.100.3.63)
91.100.3.64/26 (91.100.3.64 - 91.100.3.127)
91.100.3.128/25 (91.100.3.128 - 91.100.3.255)
91.100.5.0/25 (91.100.5.0 - 91.100.5.127)
91.100.5.128/28 (91.100.5.128 - 91.100.5.143)
91.100.6.0/28 (91.100.6.0 - 91.100.6.15)
91.100.6.16/28 (91.100.6.16 - 91.100.6.31)
91.100.6.32/27 (91.100.6.32 - 91.100.6.63)
91.100.6.64/27 (91.100.6.64 - 91.100.6.95)
91.100.9.128/25 (91.100.9.128 - 91.100.9.255)
91.100.10.0/23 (91.100.10.0 - 91.100.11.255)
91.100.12.0/25 (91.100.12.0 - 91.100.12.127)
91.100.12.128/25 (91.100.12.128 - 91.100.12.255)
91.100.13.0/24 (91.100.13.0 - 91.100.13.255)
91.100.14.0/24 (91.100.14.0 - 91.100.14.255)
91.100.15.0/24 (91.100.15.0 - 91.100.15.255)
91.100.16.0/24 (91.100.16.0 - 91.100.16.255)
91.100.17.0/27 (91.100.17.0 - 91.100.17.31)
91.100.19.0/25 (91.100.19.0 - 91.100.19.127)
91.100.21.0/26 (91.100.21.0 - 91.100.21.63)
91.100.22.128/29 (91.100.22.128 - 91.100.22.135)
91.100.22.136/29 (91.100.22.136 - 91.100.22.143)
91.100.22.144/28 (91.100.22.144 - 91.100.22.159)
91.100.22.160/27 (91.100.22.160 - 91.100.22.191)
91.100.22.192/26 (91.100.22.192 - 91.100.22.255)
91.100.23.0/28 (91.100.23.0 - 91.100.23.15)
91.100.23.16/28 (91.100.23.16 - 91.100.23.31)
91.100.23.32/27 (91.100.23.32 - 91.100.23.63)
91.100.23.64/27 (91.100.23.64 - 91.100.23.95)
91.100.23.96/27 (91.100.23.96 - 91.100.23.127)
91.100.23.128/26 (91.100.23.128 - 91.100.23.191)
91.100.23.192/26 (91.100.23.192 - 91.100.23.255)
91.100.26.0/23 (91.100.26.0 - 91.100.27.255)
91.100.29.0/27 (91.100.29.0 - 91.100.29.31)
91.100.31.0/27 (91.100.31.0 - 91.100.31.31)
91.100.32.0/27 (91.100.32.0 - 91.100.32.31)
91.100.33.0/27 (91.100.33.0 - 91.100.33.31)
91.100.33.32/27 (91.100.33.32 - 91.100.33.63)
91.100.36.192/27 (91.100.36.192 - 91.100.36.223)
91.100.36.224/27 (91.100.36.224 - 91.100.36.255)
91.100.38.0/23 (91.100.38.0 - 91.100.39.255)
91.100.42.128/26 (91.100.42.128 - 91.100.42.191)
91.100.42.192/27 (91.100.42.192 - 91.100.42.223)
91.100.42.224/27 (91.100.42.224 - 91.100.42.255)
91.100.45.0/28 (91.100.45.0 - 91.100.45.15)
91.100.45.16/28 (91.100.45.16 - 91.100.45.31)
91.100.45.32/28 (91.100.45.32 - 91.100.45.47)
91.100.45.48/28 (91.100.45.48 - 91.100.45.63)
91.100.45.64/27 (91.100.45.64 - 91.100.45.95)
91.100.45.96/28 (91.100.45.96 - 91.100.45.111)
91.100.45.112/28 (91.100.45.112 - 91.100.45.127)
91.100.45.128/28 (91.100.45.128 - 91.100.45.143)
91.100.45.144/28 (91.100.45.144 - 91.100.45.159)
91.100.45.160/28 (91.100.45.160 - 91.100.45.175)
91.100.45.176/28 (91.100.45.176 - 91.100.45.191)
91.100.45.192/26 (91.100.45.192 - 91.100.45.255)
91.100.47.128/26 (91.100.47.128 - 91.100.47.191)
91.100.57.0/24 (91.100.57.0 - 91.100.57.255)
91.100.58.0/27 (91.100.58.0 - 91.100.58.31)
91.100.59.192/27 (91.100.59.192 - 91.100.59.223)
91.100.59.224/27 (91.100.59.224 - 91.100.59.255)
91.100.60.0/23 (91.100.60.0 - 91.100.61.255)
91.100.64.0/23 (91.100.64.0 - 91.100.65.255)
91.100.70.32/27 (91.100.70.32 - 91.100.70.63)
91.100.70.128/25 (91.100.70.128 - 91.100.70.255)
91.100.71.0/24 (91.100.71.0 - 91.100.71.255)
91.100.72.0/23 (91.100.72.0 - 91.100.73.255)
91.100.74.0/23 (91.100.74.0 - 91.100.75.255)
91.101.96.0/21 (91.101.96.0 - 91.101.103.255)
91.101.104.0/21 (91.101.104.0 - 91.101.111.255)
Delegated Prefix: 91.100.0.0/15 (91.100.0.0 - 91.101.255.255)

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
91.100.0.0/15	Exact	AS15516	DKTV A/S	Denmark (DK)	91.100.0.0	91.101.255.255