asn.dev

Address space

AS137691 CHINATELECOM-HEILONGJIANG-IDC Heilongjiang Province, P.R.China.

IPv4 prefixes 2 512 addresses
IPv6 prefixes 34
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/24
/24: 2
2

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
/36
/36: 4
4
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 7
7
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 2
2
/44
/44: 2
2
/45
/45: 3
3
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
CNChina36

Inventory

All prefixes

36 total