asn.dev

Address space

AS6106 UCR-EDU

IPv4 prefixes 11 131K addresses
IPv6 prefixes 18
Most common size /22 IPv4
Flagged 3

Shape

Prefix sizes

IPv4
/16
/16: 1
1
/17
/17: 1
1
/18
/18: 1
1
/19
/19: 1
1
/20
/20: 1
1
/21
/21: 1
1
/22
/22: 2
2
/24
/24: 1
1
/30
/30: 1
1
/31
/31: 1
1

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
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/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
/122
/122: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America29

Review

Flagged prefixes

3 of 29
PrefixFamilyAddressesCountryFlags
137.164.23.16/31IPv42USToo specific
137.164.24.208/30IPv44USToo specific
2607:f380:1::118:9a41:8d00/122IPv6USToo 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

29 total
PrefixFamilyAddressesCountryFlags
137.164.23.16/31IPv42USToo specific
137.164.24.208/30IPv44USToo specific
138.23.0.0/18IPv416,384US
138.23.64.0/19IPv48,192US
138.23.96.0/21IPv42,048US
138.23.104.0/22IPv41,024US
138.23.108.0/22IPv41,024US
138.23.112.0/20IPv44,096US
138.23.128.0/17IPv432,768US
169.235.0.0/16IPv465,536US
192.31.146.0/24IPv4256US
2607:f290::/44IPv6US
2607:f290:10::/48IPv6US
2607:f290:11::/48IPv6US
2607:f290:12::/47IPv6US
2607:f290:14::/46IPv6US
2607:f290:18::/45IPv6US
2607:f290:20::/43IPv6US
2607:f290:40::/42IPv6US
2607:f290:80::/41IPv6US
2607:f290:100::/40IPv6US
2607:f290:200::/39IPv6US
2607:f290:400::/38IPv6US
2607:f290:800::/37IPv6US
2607:f290:1000::/36IPv6US
2607:f290:2000::/35IPv6US
2607:f290:4000::/34IPv6US
2607:f290:8000::/33IPv6US
2607:f380:1::118:9a41:8d00/122IPv6USToo specific