asn.dev

Address space

AS39122 BLACKNIGHT-AS

IPv4 prefixes 35 27.39K addresses
IPv6 prefixes 6
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 1
1
/21
/21: 5
5
/22
/22: 5
5
/23
/23: 7
7
/24
/24: 17
17

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6
/29
/29: 1
1
/32
/32: 4
4
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
IEIreland41

Inventory

All prefixes

41 total
PrefixFamilyAddressesCountryFlags
46.22.128.0/20IPv44,096IE
64.96.3.0/24IPv4256IE
64.255.40.0/24IPv4256IE
69.5.186.0/24IPv4256IE
78.153.192.0/21IPv42,048IE
78.153.200.0/23IPv4512IE
78.153.202.0/24IPv4256IE
78.153.203.0/24IPv4256IE
78.153.204.0/22IPv41,024IE
78.153.208.0/22IPv41,024IE
78.153.212.0/24IPv4256IE
78.153.213.0/24IPv4256IE
78.153.214.0/23IPv4512IE
78.153.216.0/21IPv42,048IE
81.17.240.0/23IPv4512IE
81.17.242.0/24IPv4256IE
81.17.243.0/24IPv4256IE
81.17.244.0/22IPv41,024IE
81.17.248.0/21IPv42,048IE
85.159.16.0/21IPv42,048IE
91.197.234.0/23IPv4512IE
176.52.222.0/23IPv4512IE
185.2.64.0/22IPv41,024IE
185.17.238.0/23IPv4512IE
185.94.44.0/23IPv4512IE
185.173.167.0/24IPv4256IE
185.204.136.0/24IPv4256IE
185.209.164.0/22IPv41,024IE
193.36.43.0/24IPv4256IE
193.203.126.0/24IPv4256IE
194.8.48.0/24IPv4256IE
194.8.59.0/24IPv4256IE
194.9.174.0/24IPv4256IE
194.9.222.0/24IPv4256IE
200.69.8.0/21IPv42,048IE
2620:57:4003::/48IPv6—IE
2a01:a8::/32IPv6—IE
2a01:aa::/32IPv6—IE
2a01:4d8::/32IPv6—IE
2a03:dd41::/32IPv6—IE
2a0d:1f00::/29IPv6—IE