asn.dev

Address space

AS3737 AS-PTD

IPv4 prefixes 77 687K addresses
IPv6 prefixes 1
Most common size /19 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 6
6
/17
/17: 2
2
/18
/18: 3
3
/19
/19: 13
13
/20
/20: 7
7
/21
/21: 11
11
/22
/22: 12
12
/23
/23: 11
11
/24
/24: 12
12

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
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America78

Inventory

All prefixes

78 total
PrefixFamilyAddressesCountryFlags
24.55.128.0/19IPv48,192US
24.102.128.0/18IPv416,384US
24.102.192.0/19IPv48,192US
24.102.224.0/19IPv48,192US
24.115.0.0/16IPv465,536US
24.152.192.0/18IPv416,384US
24.229.0.0/16IPv465,536US
24.238.32.0/19IPv48,192US
24.238.64.0/19IPv48,192US
24.246.224.0/19IPv48,192US
50.29.128.0/17IPv432,768US
64.67.0.0/16IPv465,536US
66.152.128.0/19IPv48,192US
69.12.12.0/22IPv41,024US
70.15.0.0/16IPv465,536US
70.44.0.0/16IPv465,536US
75.97.0.0/16IPv465,536US
104.36.124.0/22IPv41,024US
146.12.0.0/17IPv432,768US
204.186.0.0/20IPv44,096US
204.186.16.0/22IPv41,024US
204.186.21.0/24IPv4256US
204.186.22.0/23IPv4512US
204.186.24.0/21IPv42,048US
204.186.32.0/19IPv48,192US
204.186.64.0/19IPv48,192US
204.186.96.0/21IPv42,048US
204.186.104.0/23IPv4512US
204.186.108.0/22IPv41,024US
204.186.112.0/20IPv44,096US
204.186.128.0/20IPv44,096US
204.186.144.0/21IPv42,048US
204.186.152.0/22IPv41,024US
204.186.156.0/23IPv4512US
204.186.158.0/24IPv4256US
204.186.160.0/20IPv44,096US
204.186.176.0/24IPv4256US
204.186.177.0/24IPv4256US
204.186.178.0/23IPv4512US
204.186.180.0/22IPv41,024US
204.186.184.0/21IPv42,048US
204.186.192.0/21IPv42,048US
204.186.200.0/21IPv42,048US
204.186.208.0/20IPv44,096US
204.186.224.0/19IPv48,192US
207.44.0.0/24IPv4256US
207.44.2.0/23IPv4512US
207.44.4.0/22IPv41,024US
207.44.8.0/21IPv42,048US
207.44.16.0/20IPv44,096US
207.44.32.0/19IPv48,192US
207.44.64.0/23IPv4512US
207.44.66.0/24IPv4256US
207.44.68.0/22IPv41,024US
207.44.72.0/21IPv42,048US
207.44.80.0/20IPv44,096US
207.44.96.0/19IPv48,192US
209.50.128.0/21IPv42,048US
209.50.136.0/23IPv4512US
209.50.138.0/24IPv4256US
209.50.140.0/22IPv41,024US
209.50.144.0/24IPv4256US
209.50.146.0/23IPv4512US
209.50.148.0/23IPv4512US
209.50.150.0/24IPv4256US
209.50.152.0/22IPv41,024US
209.50.156.0/24IPv4256US
209.173.0.0/21IPv42,048US
209.173.8.0/24IPv4256US
209.173.10.0/23IPv4512US
209.173.12.0/22IPv41,024US
209.173.16.0/21IPv42,048US
209.173.24.0/22IPv41,024US
209.173.28.0/23IPv4512US
209.173.30.0/24IPv4256US
216.49.0.0/18IPv416,384US
216.144.160.0/19IPv48,192US
2606:9400::/32IPv6—US