asn.dev

Address space

AS297 AS297 - National Aeronautics and Space Administration

Business ARIN

IPv4 prefixes 58 649K addresses
IPv6 prefixes 50
Most common size /24 IPv4
Flagged 1

Shape

IPv4 prefix sizes

All IPv4
/14
/14: 1
1
/16
/16: 3
3
/17
/17: 2
2
/18
/18: 4
4
/19
/19: 2
2
/20
/20: 3
3
/21
/21: 5
5
/22
/22: 10
10
/23
/23: 13
13
/24
/24: 15
15

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
/33
/33: 1
1
/35
/35: 1
1
/36
/36: 3
3
/37
/37: 3
3
/38
/38: 3
3
/39
/39: 2
2
/40
/40: 4
4
/41
/41: 4
4
/42
/42: 4
4
/43
/43: 4
4
/44
/44: 4
4
/45
/45: 4
4
/46
/46: 4
4
/47
/47: 3
3
/48
/48: 5
5
/52
/52: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America108

Review

Flagged prefixes

1 of 108
PrefixFamilyAddressesCountryFlags
2001:4d0:6318:f000::/52IPv6/52USToo specific

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