Address space
AS3734 SCCO
Education ARIN
IPv4 prefixes
49
142K addresses
IPv6 prefixes
2
Most common size
/24
IPv4
Flagged
24
Shape
IPv4 prefix sizes
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
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 51 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 137.164.3.92/31 | IPv4 | 2 | US | Too specific |
| 137.164.35.140/31 | IPv4 | 2 | US | Too specific |
| 137.164.35.144/31 | IPv4 | 2 | US | Too specific |
| 204.88.155.0/26 | IPv4 | 64 | US | Too specific |
| 204.88.155.64/30 | IPv4 | 4 | US | Too specific |
| 204.88.155.68/30 | IPv4 | 4 | US | Too specific |
| 204.88.155.72/29 | IPv4 | 8 | US | Too specific |
| 204.88.155.80/28 | IPv4 | 16 | US | Too specific |
| 204.88.155.96/27 | IPv4 | 32 | US | Too specific |
| 204.88.155.128/25 | IPv4 | 128 | US | Too specific |
| 207.31.48.0/26 | IPv4 | 64 | US | Too specific |
| 207.31.48.64/28 | IPv4 | 16 | US | Too specific |
| 207.31.48.80/29 | IPv4 | 8 | US | Too specific |
| 207.31.48.88/30 | IPv4 | 4 | US | Too specific |
| 207.31.48.92/30 | IPv4 | 4 | US | Too specific |
| 207.31.48.96/28 | IPv4 | 16 | US | Too specific |
| 207.31.48.112/28 | IPv4 | 16 | US | Too specific |
| 207.31.48.128/29 | IPv4 | 8 | US | Too specific |
| 207.31.48.136/29 | IPv4 | 8 | US | Too specific |
| 207.31.48.144/28 | IPv4 | 16 | US | Too specific |
| 207.31.48.160/27 | IPv4 | 32 | US | Too specific |
| 207.31.48.192/26 | IPv4 | 64 | US | Too specific |
| 2607:f380:1::118:9a40:35c0/123 | IPv6 | /123 | US | Too specific |
| 2607:f380:1::118:9a42:38c0/123 | IPv6 | /123 | US | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.