asn.dev

Address space

AS399077 TERAEXCH

Hosting ARIN

IPv4 prefixes 122 129K addresses
IPv6 prefixes 10
Most common size /24 IPv4
Flagged 2

Shape

IPv4 prefix sizes

All IPv4
/19
/19: 4
4
/20
/20: 4
4
/21
/21: 16
16
/22
/22: 17
17
/23
/23: 36
36
/24
/24: 43
43
/25
/25: 2
2

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
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America132

Review

Flagged prefixes

2 of 132
PrefixFamilyAddressesCountryFlags
116.51.24.128/25IPv4128USToo specific
153.254.103.0/25IPv4128USToo specific

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