asn.dev

Address space

AS200740 FIRST-SERVER-EU-AS FIRST-SERVER-US

Unclassified ARIN

IPv4 prefixes 46 27.90K addresses
IPv6 prefixes 17
Most common size /23 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/22
/22: 10
10
/23
/23: 33
33
/24
/24: 3
3

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
/30
/30: 3
3
/46
/46: 1
1
/47
/47: 2
2
/48
/48: 11
11

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom63