asn.dev

Address space

AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue

Hosting APNIC Content

IPv4 prefixes 596 2.16M addresses
IPv6 prefixes 15
Most common size /23 IPv4
Flagged 16

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 3
3
/17
/17: 14
14
/18
/18: 30
30
/19
/19: 42
42
/20
/20: 71
71
/21
/21: 84
84
/22
/22: 109
109
/23
/23: 128
128
/24
/24: 99
99
/25
/25: 2
2
/26
/26: 2
2
/27
/27: 2
2
/28
/28: 2
2
/29
/29: 2
2
/30
/30: 2
2
/31
/31: 3
3
/32
/32: 1
1

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
/35
/35: 1
1
/36
/36: 2
2
/42
/42: 2
2
/43
/43: 3
3
/44
/44: 4
4
/48
/48: 3
3

Geography

Where the space lands

CountryNamePrefixes
CNChina611

Review

Flagged prefixes

16 of 611
PrefixFamilyAddressesCountryFlags
43.172.185.0/26IPv464CNToo specific
43.172.185.64/27IPv432CNToo specific
43.172.185.96/29IPv48CNToo specific
43.172.185.104/30IPv44CNToo specific
43.172.185.108/31IPv42CNToo specific
43.172.185.110/31IPv42CNToo specific
43.172.185.112/28IPv416CNToo specific
43.172.185.128/25IPv4128CNToo specific
150.109.14.0/28IPv416CNToo specific
150.109.14.16/31IPv42CNToo specific
150.109.14.18/32IPv41CNToo specific
150.109.14.20/30IPv44CNToo specific
150.109.14.24/29IPv48CNToo specific
150.109.14.32/27IPv432CNToo specific
150.109.14.64/26IPv464CNToo specific
150.109.14.128/25IPv4128CNToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.