asn.dev

Address space

AS2635 AUTOMATTIC

Hosting ARIN

IPv4 prefixes 58 38.14K addresses
IPv6 prefixes 20
Most common size /23 IPv4
Flagged 27

Shape

IPv4 prefix sizes

All IPv4
/19
/19: 1
1
/20
/20: 2
2
/21
/21: 3
3
/22
/22: 8
8
/23
/23: 9
9
/24
/24: 8
8
/25
/25: 3
3
/26
/26: 3
3
/27
/27: 3
3
/28
/28: 3
3
/29
/29: 3
3
/30
/30: 3
3
/31
/31: 3
3
/32
/32: 6
6

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: 5
5
/47
/47: 6
6
/48
/48: 8
8

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America78

Review

Flagged prefixes

27 of 78
PrefixFamilyAddressesCountryFlags
74.114.155.0/31IPv42USToo specific
74.114.155.2/32IPv41USToo specific
74.114.155.3/32IPv41USToo specific
74.114.155.4/30IPv44USToo specific
74.114.155.8/29IPv48USToo specific
74.114.155.16/28IPv416USToo specific
74.114.155.32/27IPv432USToo specific
74.114.155.64/26IPv464USToo specific
74.114.155.128/25IPv4128USToo specific
192.0.67.0/31IPv42USToo specific
192.0.67.2/32IPv41USToo specific
192.0.67.3/32IPv41USToo specific
192.0.67.4/30IPv44USToo specific
192.0.67.8/29IPv48USToo specific
192.0.67.16/28IPv416USToo specific
192.0.67.32/27IPv432USToo specific
192.0.67.64/26IPv464USToo specific
192.0.67.128/25IPv4128USToo specific
192.0.68.0/31IPv42USToo specific
192.0.68.2/32IPv41USToo specific
192.0.68.3/32IPv41USToo specific
192.0.68.4/30IPv44USToo specific
192.0.68.8/29IPv48USToo specific
192.0.68.16/28IPv416USToo specific
192.0.68.32/27IPv432USToo specific

The first 25. Every flag also shows in the IPv4 and IPv6 lists.

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