asn.dev

Address space

AS17428 CHINA-ABITCOOL 21Vianet.Co.,Ltd

IPv4 prefixes 10 10.50K addresses
IPv6 prefixes 53
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 1
1
/21
/21: 1
1
/22
/22: 2
2
/23
/23: 3
3
/24
/24: 3
3

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
/36
/36: 2
2
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 6
6
/43
/43: 6
6
/44
/44: 7
7
/45
/45: 5
5
/46
/46: 5
5
/47
/47: 5
5
/48
/48: 6
6

Geography

Where the space lands

CountryNamePrefixes
CNChina63

Inventory

All prefixes

63 total
PrefixFamilyAddressesCountryFlags
103.253.204.0/22IPv41,024CN
120.132.224.0/21IPv42,048CN
120.133.240.0/20IPv44,096CN
182.175.127.0/24IPv4256CN
211.148.17.0/24IPv4256CN
211.148.18.0/23IPv4512CN
211.148.20.0/22IPv41,024CN
211.148.24.0/23IPv4512CN
211.148.27.0/24IPv4256CN
211.148.30.0/23IPv4512CN
2403:a200::/33IPv6—CN
2403:a200:8000::/36IPv6—CN
2403:a200:9000::/37IPv6—CN
2403:a200:9800::/40IPv6—CN
2403:a200:9900::/41IPv6—CN
2403:a200:9980::/44IPv6—CN
2403:a200:9990::/45IPv6—CN
2403:a200:9998::/48IPv6—CN
2403:a200:999a::/47IPv6—CN
2403:a200:999c::/46IPv6—CN
2403:a200:99a0::/43IPv6—CN
2403:a200:99c0::/42IPv6—CN
2403:a200:9a00::/39IPv6—CN
2403:a200:9c00::/38IPv6—CN
2403:a200:a000::/40IPv6—CN
2403:a200:a100::/48IPv6—CN
2403:a200:a101::/48IPv6—CN
2403:a200:a102::/47IPv6—CN
2403:a200:a104::/46IPv6—CN
2403:a200:a108::/45IPv6—CN
2403:a200:a110::/44IPv6—CN
2403:a200:a120::/43IPv6—CN
2403:a200:a140::/42IPv6—CN
2403:a200:a180::/42IPv6—CN
2403:a200:a1c0::/43IPv6—CN
2403:a200:a1e0::/44IPv6—CN
2403:a200:a1f0::/45IPv6—CN
2403:a200:a1f8::/46IPv6—CN
2403:a200:a1fc::/47IPv6—CN
2403:a200:a1fe::/48IPv6—CN
2403:a200:a200::/44IPv6—CN
2403:a200:a210::/44IPv6—CN
2403:a200:a220::/43IPv6—CN
2403:a200:a240::/42IPv6—CN
2403:a200:a280::/42IPv6—CN
2403:a200:a2c0::/43IPv6—CN
2403:a200:a2e0::/44IPv6—CN
2403:a200:a2f0::/45IPv6—CN
2403:a200:a2f8::/46IPv6—CN
2403:a200:a2fc::/47IPv6—CN
2403:a200:a2fe::/48IPv6—CN
2403:a200:a300::/41IPv6—CN
2403:a200:a380::/42IPv6—CN
2403:a200:a3c0::/43IPv6—CN
2403:a200:a3e0::/44IPv6—CN
2403:a200:a3f0::/45IPv6—CN
2403:a200:a3f8::/46IPv6—CN
2403:a200:a3fc::/47IPv6—CN
2403:a200:a3fe::/48IPv6—CN
2403:a200:a400::/38IPv6—CN
2403:a200:a800::/37IPv6—CN
2403:a200:b000::/36IPv6—CN
2403:a200:c000::/34IPv6—CN