asn.dev

Address space

AS137690 CHINATELECOM-SHANDONG-ZAOZHUANG-IDC Zaozhuang,Shandong Province, P.R.China.

IPv4 prefixes 7 8.19K addresses
IPv6 prefixes 13
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 1
1
/22
/22: 2
2
/23
/23: 4
4

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
/37
/37: 2
2
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 2
2

Geography

Where the space lands

CountryNamePrefixes
CNChina20

Inventory

All prefixes

20 total