asn.dev

Address space

AS23528 SPARKPOST

IPv4 prefixes 49 33.02K addresses
IPv6 prefixes 0
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 2
2
/21
/21: 1
1
/22
/22: 6
6
/23
/23: 25
25
/24
/24: 15
15

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.

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America49

Inventory

All prefixes

49 total
PrefixFamilyAddressesCountryFlags
91.206.59.0/24IPv4256US
137.22.224.0/20IPv44,096US
137.22.240.0/22IPv41,024US
137.22.244.0/24IPv4256US
137.22.247.0/24IPv4256US
137.22.248.0/23IPv4512US
137.22.250.0/24IPv4256US
147.160.155.0/24IPv4256US
147.253.208.0/20IPv44,096US
156.70.2.0/23IPv4512US
156.70.4.0/23IPv4512US
156.70.12.0/23IPv4512US
156.70.16.0/23IPv4512US
156.70.22.0/23IPv4512US
156.70.24.0/23IPv4512US
156.70.34.0/23IPv4512US
156.70.46.0/23IPv4512US
156.70.52.0/23IPv4512US
156.70.62.0/23IPv4512US
156.70.72.0/23IPv4512US
156.70.76.0/23IPv4512US
156.70.88.0/23IPv4512US
156.70.120.0/23IPv4512US
156.70.150.0/23IPv4512US
161.129.25.0/24IPv4256US
161.129.27.0/24IPv4256US
161.199.112.0/24IPv4256US
162.247.166.0/23IPv4512US
168.203.32.0/22IPv41,024US
168.203.36.0/23IPv4512US
168.203.42.0/23IPv4512US
168.203.46.0/23IPv4512US
168.203.48.0/22IPv41,024US
168.203.52.0/23IPv4512US
192.133.16.0/24IPv4256US
192.158.253.0/24IPv4256US
192.174.80.0/21IPv42,048US
192.174.88.0/22IPv41,024US
192.174.92.0/24IPv4256US
192.174.93.0/24IPv4256US
192.174.94.0/23IPv4512US
194.28.204.0/23IPv4512US
199.15.224.0/22IPv41,024US
216.24.61.0/24IPv4256US
223.165.112.0/24IPv4256US
223.165.114.0/24IPv4256US
223.165.116.0/23IPv4512US
223.165.122.0/23IPv4512US
223.165.124.0/22IPv41,024US