asn.dev

Address space

AS27370 CITYOFBOSTON

IPv4 prefixes 32 70.14K addresses
IPv6 prefixes 0
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/18
/18: 1
1
/19
/19: 3
3
/20
/20: 3
3
/21
/21: 2
2
/22
/22: 7
7
/23
/23: 6
6
/24
/24: 10
10

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 America32

Inventory

All prefixes

32 total
PrefixFamilyAddressesCountryFlags
140.241.0.0/22IPv41,024US
140.241.4.0/22IPv41,024US
140.241.8.0/22IPv41,024US
140.241.12.0/23IPv4512US
140.241.14.0/24IPv4256US
140.241.15.0/24IPv4256US
140.241.16.0/21IPv42,048US
140.241.24.0/23IPv4512US
140.241.26.0/23IPv4512US
140.241.28.0/22IPv41,024US
140.241.32.0/19IPv48,192US
140.241.64.0/20IPv44,096US
140.241.80.0/22IPv41,024US
140.241.84.0/23IPv4512US
140.241.86.0/24IPv4256US
140.241.87.0/24IPv4256US
140.241.88.0/21IPv42,048US
140.241.96.0/19IPv48,192US
140.241.128.0/18IPv416,384US
140.241.192.0/19IPv48,192US
140.241.224.0/20IPv44,096US
140.241.240.0/22IPv41,024US
140.241.244.0/24IPv4256US
140.241.245.0/24IPv4256US
140.241.246.0/23IPv4512US
140.241.248.0/23IPv4512US
140.241.250.0/24IPv4256US
140.241.251.0/24IPv4256US
140.241.252.0/22IPv41,024US
192.80.65.0/24IPv4256US
204.167.88.0/24IPv4256US
216.163.208.0/20IPv44,096US