asn.dev

Address space

AS39912 I3B-AS

IPv4 prefixes 46 49.92K addresses
IPv6 prefixes 3
Most common size /22 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 3
3
/21
/21: 8
8
/22
/22: 12
12
/23
/23: 12
12
/24
/24: 11
11

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
/32
/32: 3
3

Geography

Where the space lands

CountryNamePrefixes
ATAustria49

Inventory

All prefixes

49 total
PrefixFamilyAddressesCountryFlags
37.186.0.0/22IPv41,024AT
37.186.4.0/24IPv4256AT
37.186.6.0/23IPv4512AT
37.186.8.0/21IPv42,048AT
37.186.16.0/21IPv42,048AT
77.220.96.0/21IPv42,048AT
77.220.104.0/22IPv41,024AT
77.220.108.0/24IPv4256AT
77.220.110.0/23IPv4512AT
77.220.112.0/22IPv41,024AT
77.220.120.0/21IPv42,048AT
78.142.64.0/23IPv4512AT
78.142.68.0/22IPv41,024AT
78.142.72.0/21IPv42,048AT
78.142.96.0/20IPv44,096AT
78.142.112.0/22IPv41,024AT
78.142.116.0/23IPv4512AT
78.142.122.0/23IPv4512AT
78.142.124.0/22IPv41,024AT
81.94.48.0/22IPv41,024AT
81.94.52.0/23IPv4512AT
81.94.54.0/24IPv4256AT
81.94.56.0/21IPv42,048AT
91.206.224.0/23IPv4512AT
92.42.16.0/22IPv41,024AT
92.63.208.0/22IPv41,024AT
92.63.212.0/24IPv4256AT
92.63.214.0/23IPv4512AT
92.63.216.0/21IPv42,048AT
93.185.128.0/20IPv44,096AT
95.143.80.0/20IPv44,096AT
193.47.156.0/24IPv4256AT
194.34.226.0/24IPv4256AT
195.16.224.0/21IPv42,048AT
195.16.232.0/22IPv41,024AT
195.16.236.0/23IPv4512AT
195.16.238.0/24IPv4256AT
195.16.241.0/24IPv4256AT
195.16.242.0/23IPv4512AT
195.16.245.0/24IPv4256AT
195.16.246.0/23IPv4512AT
195.16.251.0/24IPv4256AT
195.16.253.0/24IPv4256AT
195.16.254.0/23IPv4512AT
195.140.136.0/22IPv41,024AT
213.139.252.0/22IPv41,024AT
2a00:e98::/32IPv6—AT
2a01:f8::/32IPv6—AT
2a01:100::/32IPv6—AT