asn.dev

Address space

AS20454 SSASN2

Hosting ARIN

IPv4 prefixes 141 152K addresses
IPv6 prefixes 15
Most common size /24 IPv4
Flagged 4

Shape

IPv4 prefix sizes

All IPv4
/19
/19: 5
5
/20
/20: 9
9
/21
/21: 9
9
/22
/22: 22
22
/23
/23: 35
35
/24
/24: 57
57
/25
/25: 3
3
/26
/26: 1
1

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
/36
/36: 1
1
/40
/40: 2
2
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/45
/45: 2
2
/46
/46: 3
3
/47
/47: 2
2
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America156

Review

Flagged prefixes

4 of 156
PrefixFamilyAddressesCountryFlags
209.188.7.0/25IPv4128USToo specific
209.188.18.0/25IPv4128USToo specific
209.188.31.64/26IPv464USToo specific
209.188.31.128/25IPv4128USToo specific

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