asn.dev

Address space

AS195 SDSC-AS

IPv4 prefixes 210 154K addresses
IPv6 prefixes 10
Most common size /32 IPv4
Flagged 163

Shape

Prefix sizes

IPv4
/17
/17: 1
1
/18
/18: 3
3
/19
/19: 2
2
/20
/20: 4
4
/21
/21: 9
9
/22
/22: 10
10
/23
/23: 11
11
/24
/24: 12
12
/25
/25: 9
9
/26
/26: 8
8
/27
/27: 10
10
/28
/28: 6
6
/29
/29: 12
12
/30
/30: 19
19
/31
/31: 45
45
/32
/32: 49
49

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
/34
/34: 2
2
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/122
/122: 3
3
/123
/123: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America220

Review

Flagged prefixes

163 of 220
PrefixFamilyAddressesCountryFlags
67.58.53.144/28IPv416USToo specific
67.58.54.128/25IPv4128USToo specific
132.249.212.0/25IPv4128USToo specific
132.249.212.128/27IPv432USToo specific
132.249.212.160/27IPv432USToo specific
132.249.212.192/26IPv464USToo specific
132.249.246.0/27IPv432USToo specific
132.249.246.32/27IPv432USToo specific
132.249.246.64/26IPv464USToo specific
132.249.246.128/25IPv4128USToo specific
132.249.252.0/27IPv432USToo specific
132.249.252.32/27IPv432USToo specific
132.249.252.64/26IPv464USToo specific
132.249.252.128/25IPv4128USToo specific
137.164.23.42/31IPv42USToo specific
137.164.23.128/29IPv48USToo specific
137.164.24.152/29IPv48USToo specific
192.31.21.0/29IPv48USToo specific
192.31.21.8/31IPv42USToo specific
192.31.21.10/32IPv41USToo specific
192.31.21.11/32IPv41USToo specific
192.31.21.12/30IPv44USToo specific
192.31.21.16/29IPv48USToo specific
192.31.21.24/30IPv44USToo specific
192.31.21.28/31IPv42USToo specific
192.31.21.30/32IPv41USToo specific
192.31.21.31/32IPv41USToo specific
192.31.21.32/30IPv44USToo specific
192.31.21.36/31IPv42USToo specific
192.31.21.38/31IPv42USToo specific
192.31.21.40/31IPv42USToo specific
192.31.21.42/32IPv41USToo specific
192.31.21.43/32IPv41USToo specific
192.31.21.44/30IPv44USToo specific
192.31.21.48/29IPv48USToo specific
192.31.21.56/30IPv44USToo specific
192.31.21.60/30IPv44USToo specific
192.31.21.64/27IPv432USToo specific
192.31.21.96/29IPv48USToo specific
192.31.21.104/32IPv41USToo specific
192.31.21.105/32IPv41USToo specific
192.31.21.106/31IPv42USToo specific
192.31.21.108/30IPv44USToo specific
192.31.21.112/28IPv416USToo specific
192.31.21.128/28IPv416USToo specific
192.31.21.144/28IPv416USToo specific
192.31.21.160/30IPv44USToo specific
192.31.21.164/31IPv42USToo specific
192.31.21.166/31IPv42USToo specific
192.31.21.168/32IPv41USToo specific
192.31.21.169/32IPv41USToo specific
192.31.21.170/31IPv42USToo specific
192.31.21.172/30IPv44USToo specific
192.31.21.176/29IPv48USToo specific
192.31.21.184/31IPv42USToo specific
192.31.21.186/31IPv42USToo specific
192.31.21.188/31IPv42USToo specific
192.31.21.190/31IPv42USToo specific
192.31.21.192/30IPv44USToo specific
192.31.21.196/31IPv42USToo specific
192.31.21.198/31IPv42USToo specific
192.31.21.200/29IPv48USToo specific
192.31.21.208/29IPv48USToo specific
192.31.21.216/30IPv44USToo specific
192.31.21.220/31IPv42USToo specific
192.31.21.222/31IPv42USToo specific
192.31.21.224/30IPv44USToo specific
192.31.21.228/30IPv44USToo specific
192.31.21.232/29IPv48USToo specific
192.31.21.240/31IPv42USToo specific
192.31.21.242/31IPv42USToo specific
192.31.21.244/30IPv44USToo specific
192.31.21.248/29IPv48USToo specific
192.67.81.0/25IPv4128USToo specific
192.67.81.128/26IPv464USToo specific
192.67.81.192/27IPv432USToo specific
192.67.81.224/27IPv432USToo specific
192.67.82.0/25IPv4128USToo specific
192.67.82.128/25IPv4128USToo specific
192.172.226.2/31IPv42USToo specific
192.172.226.4/30IPv44USToo specific
192.172.226.8/30IPv44USToo specific
192.172.226.12/31IPv42USToo specific
192.172.226.15/32IPv41USToo specific
192.172.226.16/29IPv48USToo specific
192.172.226.24/31IPv42USToo specific
192.172.226.26/32IPv41USToo specific
192.172.226.29/32IPv41USToo specific
192.172.226.30/31IPv42USToo specific
192.172.226.32/30IPv44USToo specific
192.172.226.36/32IPv41USToo specific
192.172.226.38/32IPv41USToo specific
192.172.226.40/31IPv42USToo specific
192.172.226.44/32IPv41USToo specific
192.172.226.46/31IPv42USToo specific
192.172.226.49/32IPv41USToo specific
192.172.226.50/31IPv42USToo specific
192.172.226.52/32IPv41USToo specific
192.172.226.54/32IPv41USToo specific
192.172.226.59/32IPv41USToo 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

220 total
PrefixFamilyAddressesCountryFlags
44.8.5.0/24IPv4256US
67.58.53.144/28IPv416USToo specific
67.58.54.128/25IPv4128USToo specific
67.58.56.0/21IPv42,048US
132.249.0.0/18IPv416,384US
132.249.64.0/19IPv48,192US
132.249.96.0/21IPv42,048US
132.249.104.0/22IPv41,024US
132.249.108.0/22IPv41,024US
132.249.112.0/20IPv44,096US
132.249.128.0/18IPv416,384US
132.249.192.0/20IPv44,096US
132.249.208.0/22IPv41,024US
132.249.212.0/25IPv4128USToo specific
132.249.212.128/27IPv432USToo specific
132.249.212.160/27IPv432USToo specific
132.249.212.192/26IPv464USToo specific
132.249.213.0/24IPv4256US
132.249.214.0/23IPv4512US
132.249.216.0/21IPv42,048US
132.249.224.0/21IPv42,048US
132.249.232.0/23IPv4512US
132.249.234.0/23IPv4512US
132.249.236.0/22IPv41,024US
132.249.240.0/22IPv41,024US
132.249.244.0/23IPv4512US
132.249.246.0/27IPv432USToo specific
132.249.246.32/27IPv432USToo specific
132.249.246.64/26IPv464USToo specific
132.249.246.128/25IPv4128USToo specific
132.249.247.0/24IPv4256US
132.249.248.0/22IPv41,024US
132.249.252.0/27IPv432USToo specific
132.249.252.32/27IPv432USToo specific
132.249.252.64/26IPv464USToo specific
132.249.252.128/25IPv4128USToo specific
132.249.253.0/24IPv4256US
132.249.254.0/23IPv4512US
137.164.23.42/31IPv42USToo specific
137.164.23.128/29IPv48USToo specific
137.164.24.152/29IPv48USToo specific
153.105.0.0/18IPv416,384US
153.105.64.0/20IPv44,096US
153.105.80.0/24IPv4256US
153.105.82.0/23IPv4512US
153.105.84.0/22IPv41,024US
153.105.88.0/21IPv42,048US
153.105.96.0/19IPv48,192US
153.105.128.0/17IPv432,768US
192.12.207.0/24IPv4256US
192.31.21.0/29IPv48USToo specific
192.31.21.8/31IPv42USToo specific
192.31.21.10/32IPv41USToo specific
192.31.21.11/32IPv41USToo specific
192.31.21.12/30IPv44USToo specific
192.31.21.16/29IPv48USToo specific
192.31.21.24/30IPv44USToo specific
192.31.21.28/31IPv42USToo specific
192.31.21.30/32IPv41USToo specific
192.31.21.31/32IPv41USToo specific
192.31.21.32/30IPv44USToo specific
192.31.21.36/31IPv42USToo specific
192.31.21.38/31IPv42USToo specific
192.31.21.40/31IPv42USToo specific
192.31.21.42/32IPv41USToo specific
192.31.21.43/32IPv41USToo specific
192.31.21.44/30IPv44USToo specific
192.31.21.48/29IPv48USToo specific
192.31.21.56/30IPv44USToo specific
192.31.21.60/30IPv44USToo specific
192.31.21.64/27IPv432USToo specific
192.31.21.96/29IPv48USToo specific
192.31.21.104/32IPv41USToo specific
192.31.21.105/32IPv41USToo specific
192.31.21.106/31IPv42USToo specific
192.31.21.108/30IPv44USToo specific
192.31.21.112/28IPv416USToo specific
192.31.21.128/28IPv416USToo specific
192.31.21.144/28IPv416USToo specific
192.31.21.160/30IPv44USToo specific
192.31.21.164/31IPv42USToo specific
192.31.21.166/31IPv42USToo specific
192.31.21.168/32IPv41USToo specific
192.31.21.169/32IPv41USToo specific
192.31.21.170/31IPv42USToo specific
192.31.21.172/30IPv44USToo specific
192.31.21.176/29IPv48USToo specific
192.31.21.184/31IPv42USToo specific
192.31.21.186/31IPv42USToo specific
192.31.21.188/31IPv42USToo specific
192.31.21.190/31IPv42USToo specific
192.31.21.192/30IPv44USToo specific
192.31.21.196/31IPv42USToo specific
192.31.21.198/31IPv42USToo specific
192.31.21.200/29IPv48USToo specific
192.31.21.208/29IPv48USToo specific
192.31.21.216/30IPv44USToo specific
192.31.21.220/31IPv42USToo specific
192.31.21.222/31IPv42USToo specific
192.31.21.224/30IPv44USToo specific
192.31.21.228/30IPv44USToo specific
192.31.21.232/29IPv48USToo specific
192.31.21.240/31IPv42USToo specific
192.31.21.242/31IPv42USToo specific
192.31.21.244/30IPv44USToo specific
192.31.21.248/29IPv48USToo specific
192.67.20.0/24IPv4256US
192.67.81.0/25IPv4128USToo specific
192.67.81.128/26IPv464USToo specific
192.67.81.192/27IPv432USToo specific
192.67.81.224/27IPv432USToo specific
192.67.82.0/25IPv4128USToo specific
192.67.82.128/25IPv4128USToo specific
192.172.226.2/31IPv42USToo specific
192.172.226.4/30IPv44USToo specific
192.172.226.8/30IPv44USToo specific
192.172.226.12/31IPv42USToo specific
192.172.226.15/32IPv41USToo specific
192.172.226.16/29IPv48USToo specific
192.172.226.24/31IPv42USToo specific
192.172.226.26/32IPv41USToo specific
192.172.226.29/32IPv41USToo specific
192.172.226.30/31IPv42USToo specific
192.172.226.32/30IPv44USToo specific
192.172.226.36/32IPv41USToo specific
192.172.226.38/32IPv41USToo specific
192.172.226.40/31IPv42USToo specific
192.172.226.44/32IPv41USToo specific
192.172.226.46/31IPv42USToo specific
192.172.226.49/32IPv41USToo specific
192.172.226.50/31IPv42USToo specific
192.172.226.52/32IPv41USToo specific
192.172.226.54/32IPv41USToo specific
192.172.226.59/32IPv41USToo specific
192.172.226.60/32IPv41USToo specific
192.172.226.64/31IPv42USToo specific
192.172.226.68/32IPv41USToo specific
192.172.226.73/32IPv41USToo specific
192.172.226.78/31IPv42USToo specific
192.172.226.82/31IPv42USToo specific
192.172.226.85/32IPv41USToo specific
192.172.226.86/31IPv42USToo specific
192.172.226.88/31IPv42USToo specific
192.172.226.91/32IPv41USToo specific
192.172.226.93/32IPv41USToo specific
192.172.226.94/31IPv42USToo specific
192.172.226.96/31IPv42USToo specific
192.172.226.100/30IPv44USToo specific
192.172.226.106/32IPv41USToo specific
192.172.226.108/31IPv42USToo specific
192.172.226.115/32IPv41USToo specific
192.172.226.117/32IPv41USToo specific
192.172.226.118/31IPv42USToo specific
192.172.226.121/32IPv41USToo specific
192.172.226.122/32IPv41USToo specific
192.172.226.124/30IPv44USToo specific
192.172.226.128/32IPv41USToo specific
192.172.226.132/31IPv42USToo specific
192.172.226.135/32IPv41USToo specific
192.172.226.136/31IPv42USToo specific
192.172.226.140/31IPv42USToo specific
192.172.226.142/32IPv41USToo specific
192.172.226.146/31IPv42USToo specific
192.172.226.148/31IPv42USToo specific
192.172.226.154/31IPv42USToo specific
192.172.226.158/31IPv42USToo specific
192.172.226.172/32IPv41USToo specific
192.172.226.175/32IPv41USToo specific
192.172.226.177/32IPv41USToo specific
192.172.226.190/32IPv41USToo specific
192.172.226.193/32IPv41USToo specific
192.172.226.200/32IPv41USToo specific
192.172.226.205/32IPv41USToo specific
192.172.226.206/32IPv41USToo specific
192.172.226.210/32IPv41USToo specific
192.172.226.233/32IPv41USToo specific
192.172.226.236/32IPv41USToo specific
192.172.226.238/32IPv41USToo specific
192.172.226.242/32IPv41USToo specific
192.172.226.245/32IPv41USToo specific
192.172.226.246/31IPv42USToo specific
192.172.226.249/32IPv41USToo specific
192.172.226.250/31IPv42USToo specific
192.207.234.0/24IPv4256US
198.17.46.0/23IPv4512US
198.17.101.0/26IPv464USToo specific
198.17.101.64/28IPv416USToo specific
198.17.101.80/28IPv416USToo specific
198.17.101.96/27IPv432USToo specific
198.17.101.128/25IPv4128USToo specific
198.187.222.0/25IPv4128USToo specific
198.187.222.128/26IPv464USToo specific
198.187.222.192/26IPv464USToo specific
198.188.136.0/26IPv464USToo specific
198.202.64.0/24IPv4256US
198.202.71.0/24IPv4256US
198.202.72.0/21IPv42,048US
198.202.80.0/20IPv44,096US
198.202.96.0/21IPv42,048US
198.202.104.0/22IPv41,024US
198.202.108.0/23IPv4512US
198.202.110.0/24IPv4256US
198.202.111.0/24IPv4256US
198.202.112.0/21IPv42,048US
198.202.120.0/22IPv41,024US
198.202.126.0/23IPv4512US
199.165.16.0/23IPv4512US
199.165.18.0/23IPv4512US
199.165.20.0/22IPv41,024US
199.165.24.0/21IPv42,048US
2001:48d0::/34IPv6—US
2001:48d0:4000::/36IPv6—US
2001:48d0:5800::/37IPv6—US
2001:48d0:6000::/35IPv6—US
2001:48d0:8000::/34IPv6—US
2607:f380:1::118:9a41:72a0/123IPv6—USToo specific
2607:f380:1::118:9a41:7340/122IPv6—USToo specific
2607:f380:1::118:9a41:7800/122IPv6—USToo specific
2607:f380:1::118:9a41:7b00/123IPv6—USToo specific
2607:f380:1::118:9a41:8980/122IPv6—USToo specific