asn.dev

Address space

AS297 AS297 - National Aeronautics and Space Administration

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

Shape

Prefix sizes

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

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
/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—USToo specific

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

Inventory

All prefixes

108 total
PrefixFamilyAddressesCountryFlags
129.163.0.0/16IPv465,536US
161.40.0.0/16IPv465,536US
184.105.114.0/24IPv4256US
184.105.185.0/24IPv4256US
184.105.206.0/24IPv4256US
184.105.216.0/24IPv4256US
192.31.241.0/24IPv4256US
192.67.118.0/24IPv4256US
192.92.184.0/23IPv4512US
192.92.194.0/23IPv4512US
192.112.20.0/24IPv4256US
192.112.220.0/22IPv41,024US
192.149.89.0/24IPv4256US
198.116.0.0/23IPv4512US
198.116.2.0/23IPv4512US
198.116.4.0/22IPv41,024US
198.116.8.0/21IPv42,048US
198.116.16.0/21IPv42,048US
198.116.24.0/24IPv4256US
198.116.25.0/24IPv4256US
198.116.26.0/23IPv4512US
198.116.28.0/22IPv41,024US
198.116.32.0/19IPv48,192US
198.116.64.0/18IPv416,384US
198.116.128.0/18IPv416,384US
198.116.192.0/21IPv42,048US
198.116.200.0/22IPv41,024US
198.116.204.0/22IPv41,024US
198.116.208.0/23IPv4512US
198.116.210.0/23IPv4512US
198.116.212.0/22IPv41,024US
198.116.216.0/21IPv42,048US
198.116.224.0/20IPv44,096US
198.117.0.0/16IPv465,536US
198.118.0.0/17IPv432,768US
198.118.128.0/18IPv416,384US
198.118.202.0/23IPv4512US
198.118.204.0/22IPv41,024US
198.118.208.0/20IPv44,096US
198.118.225.0/24IPv4256US
198.118.226.0/23IPv4512US
198.118.228.0/24IPv4256US
198.118.230.0/23IPv4512US
198.118.232.0/24IPv4256US
198.118.238.0/23IPv4512US
198.118.244.0/22IPv41,024US
198.118.248.0/22IPv41,024US
198.118.252.0/23IPv4512US
198.119.0.0/23IPv4512US
198.119.3.0/24IPv4256US
198.119.4.0/22IPv41,024US
198.119.8.0/21IPv42,048US
198.119.16.0/20IPv44,096US
198.119.32.0/19IPv48,192US
198.119.64.0/18IPv416,384US
198.119.128.0/17IPv432,768US
198.120.0.0/14IPv4262,144US
198.182.19.0/24IPv4256US
2001:4d0::/40IPv6—US
2001:4d0:100::/45IPv6—US
2001:4d0:109::/48IPv6—US
2001:4d0:10a::/47IPv6—US
2001:4d0:10c::/46IPv6—US
2001:4d0:110::/44IPv6—US
2001:4d0:120::/43IPv6—US
2001:4d0:140::/42IPv6—US
2001:4d0:180::/41IPv6—US
2001:4d0:200::/39IPv6—US
2001:4d0:400::/38IPv6—US
2001:4d0:800::/37IPv6—US
2001:4d0:1000::/36IPv6—US
2001:4d0:2000::/38IPv6—US
2001:4d0:2400::/44IPv6—US
2001:4d0:2410::/45IPv6—US
2001:4d0:2419::/48IPv6—US
2001:4d0:241b::/48IPv6—US
2001:4d0:241c::/46IPv6—US
2001:4d0:2420::/43IPv6—US
2001:4d0:2440::/42IPv6—US
2001:4d0:2480::/41IPv6—US
2001:4d0:2500::/40IPv6—US
2001:4d0:2600::/39IPv6—US
2001:4d0:2800::/37IPv6—US
2001:4d0:3000::/36IPv6—US
2001:4d0:4000::/35IPv6—US
2001:4d0:6000::/40IPv6—US
2001:4d0:6100::/44IPv6—US
2001:4d0:6110::/45IPv6—US
2001:4d0:6119::/48IPv6—US
2001:4d0:611a::/47IPv6—US
2001:4d0:611c::/46IPv6—US
2001:4d0:6120::/43IPv6—US
2001:4d0:6140::/42IPv6—US
2001:4d0:6180::/41IPv6—US
2001:4d0:6200::/40IPv6—US
2001:4d0:6300::/44IPv6—US
2001:4d0:6310::/45IPv6—US
2001:4d0:6318:f000::/52IPv6—USToo specific
2001:4d0:6319::/48IPv6—US
2001:4d0:631a::/47IPv6—US
2001:4d0:631c::/46IPv6—US
2001:4d0:6320::/43IPv6—US
2001:4d0:6340::/42IPv6—US
2001:4d0:6380::/41IPv6—US
2001:4d0:6400::/38IPv6—US
2001:4d0:6800::/37IPv6—US
2001:4d0:7000::/36IPv6—US
2001:4d0:8000::/33IPv6—US