asn.dev

Address space

AS44066 DE-FIRSTCOLO firstcolo.net

Unclassified DROP-listed space RIPE

IPv4 prefixes 140 148K addresses
IPv6 prefixes 33
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/18
/18: 1
1
/19
/19: 4
4
/20
/20: 5
5
/21
/21: 8
8
/22
/22: 30
30
/23
/23: 29
29
/24
/24: 63
63

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
/29
/29: 2
2
/32
/32: 5
5
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 2
2
/37
/37: 1
1
/38
/38: 2
2
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 2
2
/44
/44: 3
3
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 2
2
/48
/48: 3
3

Geography

Where the space lands

CountryNamePrefixes
DEGermany173