asn.dev

Address space

AS2152 CENIC-2152

Unclassified RIPE

IPv4 prefixes 1,729 1.92M addresses
IPv6 prefixes 1,455
Most common size /24 IPv4
Flagged 2,303

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 6
6
/17
/17: 11
11
/18
/18: 14
14
/19
/19: 26
26
/20
/20: 53
53
/21
/21: 87
87
/22
/22: 135
135
/23
/23: 174
174
/24
/24: 268
268
/25
/25: 97
97
/26
/26: 115
115
/27
/27: 140
140
/28
/28: 175
175
/29
/29: 169
169
/30
/30: 137
137
/31
/31: 107
107
/32
/32: 15
15

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
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/38
/38: 2
2
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 3
3
/42
/42: 3
3
/43
/43: 3
3
/44
/44: 8
8
/45
/45: 8
8
/46
/46: 12
12
/47
/47: 27
27
/48
/48: 34
34
/49
/49: 14
14
/50
/50: 12
12
/51
/51: 15
15
/52
/52: 17
17
/53
/53: 17
17
/54
/54: 17
17
/55
/55: 18
18
/56
/56: 16
16
/57
/57: 16
16
/58
/58: 16
16
/59
/59: 16
16
/60
/60: 16
16
/61
/61: 16
16
/62
/62: 17
17
/63
/63: 18
18
/64
/64: 15
15
/65
/65: 9
9
/66
/66: 9
9
/67
/67: 9
9
/68
/68: 9
9
/69
/69: 9
9
/70
/70: 9
9
/71
/71: 9
9
/72
/72: 9
9
/73
/73: 9
9
/74
/74: 9
9
/75
/75: 9
9
/76
/76: 9
9
/77
/77: 9
9
/78
/78: 9
9
/79
/79: 9
9
/80
/80: 9
9
/81
/81: 9
9
/82
/82: 9
9
/83
/83: 9
9
/84
/84: 9
9
/85
/85: 9
9
/86
/86: 9
9
/87
/87: 9
9
/88
/88: 9
9
/89
/89: 9
9
/90
/90: 9
9
/91
/91: 8
8
/92
/92: 8
8
/93
/93: 10
10
/94
/94: 8
8
/95
/95: 12
12
/96
/96: 11
11
/97
/97: 12
12
/98
/98: 14
14
/99
/99: 14
14
/100
/100: 12
12
/101
/101: 15
15
/102
/102: 17
17
/103
/103: 16
16
/104
/104: 18
18
/105
/105: 18
18
/106
/106: 18
18
/107
/107: 18
18
/108
/108: 18
18
/109
/109: 17
17
/110
/110: 19
19
/111
/111: 17
17
/112
/112: 17
17
/113
/113: 20
20
/114
/114: 27
27
/115
/115: 31
31
/116
/116: 29
29
/117
/117: 28
28
/118
/118: 41
41
/119
/119: 55
55
/120
/120: 71
71
/121
/121: 86
86
/122
/122: 84
84
/123
/123: 59
59
/124
/124: 3
3
/125
/125: 2
2
/126
/126: 5
5

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America3,184

Review

Flagged prefixes

2,303 of 3,184
PrefixFamilyAddressesCountryFlags
69.48.214.0/25IPv4128USToo specific
69.48.214.128/29IPv48USToo specific
69.48.214.136/29IPv48USToo specific
69.48.214.144/28IPv416USToo specific
69.48.214.160/27IPv432USToo specific
69.48.214.192/26IPv464USToo specific
130.166.238.0/25IPv4128USToo specific
130.166.238.128/26IPv464USToo specific
130.166.238.192/30IPv44USToo specific
130.166.238.196/30IPv44USToo specific
130.166.238.200/29IPv48USToo specific
130.166.238.208/28IPv416USToo specific
130.166.238.224/27IPv432USToo specific
134.139.19.0/27IPv432USToo specific
134.139.19.32/28IPv416USToo specific
134.139.19.48/31IPv42USToo specific
134.139.19.50/31IPv42USToo specific
134.139.19.52/32IPv41USToo specific
134.139.19.54/31IPv42USToo specific
134.139.19.56/29IPv48USToo specific
134.139.19.64/26IPv464USToo specific
134.139.19.128/25IPv4128USToo specific
134.139.54.0/26IPv464USToo specific
134.139.54.64/26IPv464USToo specific
134.139.54.128/25IPv4128USToo 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.