asn.dev

Address space

AS16625 AKAMAI-AS

Hosting ARIN

IPv4 prefixes 1,506 4.12M addresses
IPv6 prefixes 9
Most common size /22 IPv4
Flagged 8

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 2
2
/18
/18: 26
26
/19
/19: 143
143
/20
/20: 344
344
/21
/21: 175
175
/22
/22: 525
525
/23
/23: 291
291

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
/48
/48: 1
1
/49
/49: 1
1
/50
/50: 1
1
/51
/51: 1
1
/52
/52: 1
1
/53
/53: 1
1
/54
/54: 1
1
/55
/55: 1
1
/56
/56: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America1,515

Review

Flagged prefixes

8 of 1,515
PrefixFamilyAddressesCountryFlags
2406:3000:35:100::/56IPv6/56USToo specific
2406:3000:35:200::/55IPv6/55USToo specific
2406:3000:35:400::/54IPv6/54USToo specific
2406:3000:35:800::/53IPv6/53USToo specific
2406:3000:35:1000::/52IPv6/52USToo specific
2406:3000:35:2000::/51IPv6/51USToo specific
2406:3000:35:4000::/50IPv6/50USToo specific
2406:3000:35:8000::/49IPv6/49USToo specific

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