IPv4 prefix

37.63.104.0/21

IP Prefix (CIDR)

37.63.104.0/21

Subnet Mask

255.255.248.0

Address Count

2,048

IP Range

37.63.104.0 - 37.63.111.255

Subnet calculator

Calculate subnet details

Registered Owners

Registration 1 of 2

Owner

A1 Bulgaria EAD

Handle

ORG-MN1-RIPE

Country

Bulgaria (BG)

Address

1 Kukush Str. 1309 Sofia BULGARIA

Registry

RIPENCC

Registered Prefix

37.63.0.0/17 (37.63.0.0 - 37.63.127.255)

Registration 2 of 2

Handle

AS12716-MNT

Country

Bulgaria (BG)

Registry

RIPENCC

Registered Prefixes

37.63.105.0/24 (37.63.105.0 - 37.63.105.255)
37.63.106.0/24 (37.63.106.0 - 37.63.106.255)
37.63.107.0/24 (37.63.107.0 - 37.63.107.255)
37.63.108.0/24 (37.63.108.0 - 37.63.108.255)
37.63.109.0/24 (37.63.109.0 - 37.63.109.255)
37.63.110.0/24 (37.63.110.0 - 37.63.110.255)
37.63.111.0/24 (37.63.111.0 - 37.63.111.255)

Delegated Prefix

37.63.0.0/17 (37.63.0.0 - 37.63.127.255)

BGP Announcements

Announced Prefix	Relationship	Origin ASN	Description	Country	First Address	Last Address
37.63.104.0/21	Exact	AS29580	A1 Bulgaria EAD	Bulgaria (BG)	37.63.104.0	37.63.111.255