asn.dev

Address space

AS55 UPENN

IPv4 prefixes 11 262K addresses
IPv6 prefixes 16
Most common size /16 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 3
3
/17
/17: 1
1
/18
/18: 1
1
/19
/19: 1
1
/20
/20: 1
1
/21
/21: 1
1
/22
/22: 1
1
/23
/23: 1
1
/24
/24: 1
1

How this network carves its IPv4 space. 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

Prefix sizes

IPv6
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America27

Inventory

All prefixes

27 total