asn.dev

Address space

AS53334 TUT-AS

Unclassified APNIC

IPv4 prefixes 38 8.19K addresses
IPv6 prefixes 16
Most common size /31 IPv4
Flagged 27

Shape

IPv4 prefix sizes

All IPv4
/21
/21: 1
1
/22
/22: 3
3
/23
/23: 2
2
/24
/24: 5
5
/25
/25: 3
3
/26
/26: 2
2
/27
/27: 4
4
/28
/28: 4
4
/29
/29: 5
5
/30
/30: 3
3
/31
/31: 6
6

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

IPv6 prefix sizes

All IPv6
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 4
4
/48
/48: 10
10

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America54

Review

Flagged prefixes

27 of 54
PrefixFamilyAddressesCountryFlags
104.153.198.0/25IPv4128USToo specific
104.153.198.128/26IPv464USToo specific
104.153.198.192/28IPv416USToo specific
104.153.198.208/30IPv44USToo specific
104.153.198.212/31IPv42USToo specific
104.153.198.214/31IPv42USToo specific
104.153.198.216/29IPv48USToo specific
104.153.198.224/29IPv48USToo specific
104.153.198.232/29IPv48USToo specific
104.153.198.240/29IPv48USToo specific
104.153.198.248/30IPv44USToo specific
104.153.198.252/31IPv42USToo specific
104.153.198.254/31IPv42USToo specific
199.38.148.0/25IPv4128USToo specific
199.38.148.128/27IPv432USToo specific
199.38.148.160/28IPv416USToo specific
199.38.148.176/28IPv416USToo specific
199.38.148.192/27IPv432USToo specific
199.38.148.224/27IPv432USToo specific
206.166.193.0/28IPv416USToo specific
206.166.193.16/29IPv48USToo specific
206.166.193.24/31IPv42USToo specific
206.166.193.26/31IPv42USToo specific
206.166.193.28/30IPv44USToo specific
206.166.193.32/27IPv432USToo specific

The first 25. Every flag also shows in the IPv4 and IPv6 lists.

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.