IPv4 prefix

131.154.0.0/16

IP Prefix (CIDR)

131.154.0.0/16

Subnet Mask

255.255.0.0

Address Count

65,536

IP Range

131.154.0.0 - 131.154.255.255

Subnet calculator

Calculate subnet details

Registered Owner

Owner

Istituto Nazionale di Fisica Nucleare INFN

Handle

ORG-INDF53-RIPE

Country

Italy (IT)

Address

Via Enrico Fermi, 40 00044 Frascati (RM) I

Registry

RIPENCC

Registered Prefixes

131.154.0.0/21 (131.154.0.0 - 131.154.7.255)
131.154.8.0/24 (131.154.8.0 - 131.154.8.255)
131.154.9.0/24 (131.154.9.0 - 131.154.9.255)
131.154.10.0/23 (131.154.10.0 - 131.154.11.255)
131.154.12.0/24 (131.154.12.0 - 131.154.12.255)
131.154.16.0/24 (131.154.16.0 - 131.154.16.255)
131.154.25.0/24 (131.154.25.0 - 131.154.25.255)
131.154.48.0/24 (131.154.48.0 - 131.154.48.255)
131.154.49.0/24 (131.154.49.0 - 131.154.49.255)
131.154.50.0/24 (131.154.50.0 - 131.154.50.255)
131.154.52.0/24 (131.154.52.0 - 131.154.52.255)
131.154.56.0/24 (131.154.56.0 - 131.154.56.255)
131.154.90.0/23 (131.154.90.0 - 131.154.91.255)
131.154.96.0/24 (131.154.96.0 - 131.154.96.255)
131.154.98.0/24 (131.154.98.0 - 131.154.98.255)
131.154.99.0/24 (131.154.99.0 - 131.154.99.255)
131.154.100.0/24 (131.154.100.0 - 131.154.100.255)
131.154.101.0/24 (131.154.101.0 - 131.154.101.255)
131.154.102.0/24 (131.154.102.0 - 131.154.102.255)
131.154.110.0/24 (131.154.110.0 - 131.154.110.255)
131.154.128.0/17 (131.154.128.0 - 131.154.255.255)

Delegated Prefix

131.154.0.0/16 (131.154.0.0 - 131.154.255.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
131.154.0.0/16	Exact	AS137	Consortium GARR	Italy (IT)	131.154.0.0	131.154.255.255