asn.dev

Address space

AS7960 CALPOLY-NET-ENS

Education ARIN

IPv4 prefixes 39 72.20K addresses
IPv6 prefixes 0
Most common size /23 IPv4
Flagged 11

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 1
1
/19
/19: 1
1
/20
/20: 3
3
/21
/21: 4
4
/22
/22: 5
5
/23
/23: 7
7
/24
/24: 7
7
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/29
/29: 2
2
/30
/30: 2
2
/31
/31: 1
1
/32
/32: 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

This network announces no IPv6 we can see.

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America39

Review

Flagged prefixes

11 of 39
PrefixFamilyAddressesCountryFlags
129.65.71.0/26IPv464USToo specific
129.65.71.64/27IPv432USToo specific
129.65.71.96/29IPv48USToo specific
129.65.71.104/30IPv44USToo specific
129.65.71.108/31IPv42USToo specific
129.65.71.110/32IPv41USToo specific
129.65.71.111/32IPv41USToo specific
129.65.71.112/28IPv416USToo specific
129.65.71.128/25IPv4128USToo specific
198.188.156.64/30IPv44USToo specific
198.188.156.184/29IPv48USToo specific

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