asn.dev

Address space

AS14956 ROUTERHOSTING

Hosting Spamhaus ASN-DROP ARIN

IPv4 prefixes 87 56.83K addresses
IPv6 prefixes 7
Most common size /24 IPv4
Flagged 16

Shape

IPv4 prefix sizes

All IPv4
/20
/20: 2
2
/21
/21: 9
9
/22
/22: 13
13
/23
/23: 17
17
/24
/24: 30
30
/25
/25: 2
2
/26
/26: 2
2
/27
/27: 2
2
/28
/28: 2
2
/29
/29: 2
2
/30
/30: 2
2
/31
/31: 2
2
/32
/32: 2
2

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

IPv6 prefix sizes

All IPv6
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 2
2
/48
/48: 3
3

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America94

Review

Flagged prefixes

16 of 94
PrefixFamilyAddressesCountryFlags
167.88.169.0/30IPv44USToo specific
167.88.169.4/32IPv41USToo specific
167.88.169.6/31IPv42USToo specific
167.88.169.8/29IPv48USToo specific
167.88.169.16/28IPv416USToo specific
167.88.169.32/27IPv432USToo specific
167.88.169.64/26IPv464USToo specific
167.88.169.128/25IPv4128USToo specific
172.86.112.0/27IPv432USToo specific
172.86.112.32/28IPv416USToo specific
172.86.112.48/29IPv48USToo specific
172.86.112.56/30IPv44USToo specific
172.86.112.60/32IPv41USToo specific
172.86.112.62/31IPv42USToo specific
172.86.112.64/26IPv464USToo specific
172.86.112.128/25IPv4128USToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.