asn.dev

Address space

AS23910 CNGI-CERNET2-AS-AP China Next Generation Internet CERNET2

IPv4 prefixes 0 0 addresses
IPv6 prefixes 893
Most common size — IPv4
Flagged 0

Shape

Prefix sizes

IPv4

No data.

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
/24
/24: 4
4
/25
/25: 9
9
/26
/26: 12
12
/27
/27: 15
15
/28
/28: 16
16
/29
/29: 21
21
/30
/30: 26
26
/31
/31: 34
34
/32
/32: 35
35
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 3
3
/36
/36: 8
8
/37
/37: 9
9
/38
/38: 26
26
/39
/39: 37
37
/40
/40: 51
51
/41
/41: 48
48
/42
/42: 39
39
/43
/43: 37
37
/44
/44: 35
35
/45
/45: 39
39
/46
/46: 58
58
/47
/47: 82
82
/48
/48: 247
247

Geography

Where the space lands

CountryNamePrefixes
CNChina893

Inventory

All prefixes

showing 400 of 893
PrefixFamilyAddressesCountryFlags
2001:250::/47IPv6—CN
2001:250:3::/48IPv6—CN
2001:250:4::/46IPv6—CN
2001:250:8::/45IPv6—CN
2001:250:10::/44IPv6—CN
2001:250:20::/43IPv6—CN
2001:250:40::/42IPv6—CN
2001:250:80::/41IPv6—CN
2001:250:100::/40IPv6—CN
2001:250:200::/46IPv6—CN
2001:250:204::/48IPv6—CN
2001:250:208::/48IPv6—CN
2001:250:20d::/48IPv6—CN
2001:250:20e::/48IPv6—CN
2001:250:211::/48IPv6—CN
2001:250:213::/48IPv6—CN
2001:250:215::/48IPv6—CN
2001:250:216::/48IPv6—CN
2001:250:21c::/47IPv6—CN
2001:250:21f::/48IPv6—CN
2001:250:220::/47IPv6—CN
2001:250:222::/48IPv6—CN
2001:250:224::/46IPv6—CN
2001:250:228::/46IPv6—CN
2001:250:22c::/48IPv6—CN
2001:250:22f::/48IPv6—CN
2001:250:230::/46IPv6—CN
2001:250:235::/48IPv6—CN
2001:250:238::/47IPv6—CN
2001:250:23a::/48IPv6—CN
2001:250:23c::/46IPv6—CN
2001:250:240::/45IPv6—CN
2001:250:249::/48IPv6—CN
2001:250:24a::/47IPv6—CN
2001:250:24c::/47IPv6—CN
2001:250:24e::/48IPv6—CN
2001:250:250::/47IPv6—CN
2001:250:253::/48IPv6—CN
2001:250:254::/46IPv6—CN
2001:250:258::/45IPv6—CN
2001:250:260::/43IPv6—CN
2001:250:280::/41IPv6—CN
2001:250:300::/40IPv6—CN
2001:250:400::/48IPv6—CN
2001:250:409::/48IPv6—CN
2001:250:40a::/47IPv6—CN
2001:250:40c::/48IPv6—CN
2001:250:410::/44IPv6—CN
2001:250:420::/43IPv6—CN
2001:250:440::/42IPv6—CN
2001:250:480::/41IPv6—CN
2001:250:500::/40IPv6—CN
2001:250:600::/39IPv6—CN
2001:250:806::/47IPv6—CN
2001:250:80c::/48IPv6—CN
2001:250:80f::/48IPv6—CN
2001:250:812::/48IPv6—CN
2001:250:814::/48IPv6—CN
2001:250:816::/48IPv6—CN
2001:250:818::/48IPv6—CN
2001:250:81b::/48IPv6—CN
2001:250:82f::/48IPv6—CN
2001:250:830::/48IPv6—CN
2001:250:834::/48IPv6—CN
2001:250:83a::/48IPv6—CN
2001:250:83c::/48IPv6—CN
2001:250:849::/48IPv6—CN
2001:250:84b::/48IPv6—CN
2001:250:84d::/48IPv6—CN
2001:250:851::/48IPv6—CN
2001:250:854::/48IPv6—CN
2001:250:85b::/48IPv6—CN
2001:250:864::/48IPv6—CN
2001:250:867::/48IPv6—CN
2001:250:873::/48IPv6—CN
2001:250:883::/48IPv6—CN
2001:250:885::/48IPv6—CN
2001:250:88c::/48IPv6—CN
2001:250:890::/48IPv6—CN
2001:250:894::/48IPv6—CN
2001:250:896::/47IPv6—CN
2001:250:898::/45IPv6—CN
2001:250:8a0::/43IPv6—CN
2001:250:8c0::/42IPv6—CN
2001:250:900::/40IPv6—CN
2001:250:a00::/39IPv6—CN
2001:250:c0c::/48IPv6—CN
2001:250:c10::/48IPv6—CN
2001:250:c1d::/48IPv6—CN
2001:250:c2e::/48IPv6—CN
2001:250:c38::/47IPv6—CN
2001:250:c3a::/48IPv6—CN
2001:250:c3c::/47IPv6—CN
2001:250:c40::/42IPv6—CN
2001:250:c80::/41IPv6—CN
2001:250:d00::/40IPv6—CN
2001:250:e03::/48IPv6—CN
2001:250:e0d::/48IPv6—CN
2001:250:e1b::/48IPv6—CN
2001:250:e23::/48IPv6—CN
2001:250:e2a::/47IPv6—CN
2001:250:e2c::/46IPv6—CN
2001:250:e30::/44IPv6—CN
2001:250:e40::/42IPv6—CN
2001:250:e80::/41IPv6—CN
2001:250:f00::/40IPv6—CN
2001:250:1000::/48IPv6—CN
2001:250:101f::/48IPv6—CN
2001:250:1023::/48IPv6—CN
2001:250:1025::/48IPv6—CN
2001:250:1036::/47IPv6—CN
2001:250:1038::/45IPv6—CN
2001:250:1040::/42IPv6—CN
2001:250:1080::/41IPv6—CN
2001:250:1100::/40IPv6—CN
2001:250:1200::/39IPv6—CN
2001:250:1407::/48IPv6—CN
2001:250:142a::/47IPv6—CN
2001:250:142c::/46IPv6—CN
2001:250:1430::/44IPv6—CN
2001:250:1440::/42IPv6—CN
2001:250:1480::/41IPv6—CN
2001:250:1500::/40IPv6—CN
2001:250:1600::/39IPv6—CN
2001:250:1800::/38IPv6—CN
2001:250:1c0c::/48IPv6—CN
2001:250:1c12::/47IPv6—CN
2001:250:1c14::/46IPv6—CN
2001:250:1c18::/45IPv6—CN
2001:250:1c20::/43IPv6—CN
2001:250:1c40::/42IPv6—CN
2001:250:1c80::/41IPv6—CN
2001:250:1d00::/40IPv6—CN
2001:250:1e0f::/48IPv6—CN
2001:250:1e10::/44IPv6—CN
2001:250:1e20::/43IPv6—CN
2001:250:1e40::/42IPv6—CN
2001:250:1e80::/41IPv6—CN
2001:250:1f00::/40IPv6—CN
2001:250:2011::/48IPv6—CN
2001:250:2014::/48IPv6—CN
2001:250:201b::/48IPv6—CN
2001:250:201e::/48IPv6—CN
2001:250:2029::/48IPv6—CN
2001:250:2034::/48IPv6—CN
2001:250:203d::/48IPv6—CN
2001:250:2040::/48IPv6—CN
2001:250:2042::/48IPv6—CN
2001:250:2046::/48IPv6—CN
2001:250:2048::/48IPv6—CN
2001:250:204a::/47IPv6—CN
2001:250:204c::/48IPv6—CN
2001:250:204e::/47IPv6—CN
2001:250:2056::/48IPv6—CN
2001:250:205a::/47IPv6—CN
2001:250:205c::/46IPv6—CN
2001:250:2060::/43IPv6—CN
2001:250:2080::/41IPv6—CN
2001:250:2101::/48IPv6—CN
2001:250:2102::/47IPv6—CN
2001:250:2104::/46IPv6—CN
2001:250:2108::/45IPv6—CN
2001:250:2110::/44IPv6—CN
2001:250:2120::/43IPv6—CN
2001:250:2140::/42IPv6—CN
2001:250:2180::/41IPv6—CN
2001:250:2200::/39IPv6—CN
2001:250:2400::/48IPv6—CN
2001:250:2403::/48IPv6—CN
2001:250:2404::/47IPv6—CN
2001:250:240e::/48IPv6—CN
2001:250:2411::/48IPv6—CN
2001:250:2412::/48IPv6—CN
2001:250:241f::/48IPv6—CN
2001:250:2428::/48IPv6—CN
2001:250:243b::/48IPv6—CN
2001:250:2444::/46IPv6—CN
2001:250:2448::/45IPv6—CN
2001:250:2450::/44IPv6—CN
2001:250:2460::/43IPv6—CN
2001:250:2480::/41IPv6—CN
2001:250:2500::/40IPv6—CN
2001:250:2600::/39IPv6—CN
2001:250:2807::/48IPv6—CN
2001:250:2824::/48IPv6—CN
2001:250:2837::/48IPv6—CN
2001:250:283a::/47IPv6—CN
2001:250:2841::/48IPv6—CN
2001:250:2842::/47IPv6—CN
2001:250:2844::/46IPv6—CN
2001:250:2848::/45IPv6—CN
2001:250:2850::/44IPv6—CN
2001:250:2860::/43IPv6—CN
2001:250:2880::/41IPv6—CN
2001:250:2900::/40IPv6—CN
2001:250:2a00::/39IPv6—CN
2001:250:2c0a::/48IPv6—CN
2001:250:2c20::/48IPv6—CN
2001:250:2c2c::/48IPv6—CN
2001:250:2c2f::/48IPv6—CN
2001:250:2c3b::/48IPv6—CN
2001:250:2c3f::/48IPv6—CN
2001:250:2c40::/42IPv6—CN
2001:250:2c80::/41IPv6—CN
2001:250:2d00::/40IPv6—CN
2001:250:2e02::/47IPv6—CN
2001:250:2e04::/46IPv6—CN
2001:250:2e08::/45IPv6—CN
2001:250:2e10::/44IPv6—CN
2001:250:2e20::/43IPv6—CN
2001:250:2e40::/42IPv6—CN
2001:250:2e80::/41IPv6—CN
2001:250:2f00::/40IPv6—CN
2001:250:3000::/36IPv6—CN
2001:250:4007::/48IPv6—CN
2001:250:4015::/48IPv6—CN
2001:250:401a::/48IPv6—CN
2001:250:4020::/47IPv6—CN
2001:250:4023::/48IPv6—CN
2001:250:4024::/48IPv6—CN
2001:250:402b::/48IPv6—CN
2001:250:402d::/48IPv6—CN
2001:250:4034::/48IPv6—CN
2001:250:4040::/48IPv6—CN
2001:250:4042::/47IPv6—CN
2001:250:4044::/46IPv6—CN
2001:250:4048::/45IPv6—CN
2001:250:4050::/48IPv6—CN
2001:250:4053::/48IPv6—CN
2001:250:4054::/46IPv6—CN
2001:250:4058::/45IPv6—CN
2001:250:4060::/43IPv6—CN
2001:250:4080::/41IPv6—CN
2001:250:4100::/40IPv6—CN
2001:250:4200::/39IPv6—CN
2001:250:4418::/48IPv6—CN
2001:250:4429::/48IPv6—CN
2001:250:442a::/47IPv6—CN
2001:250:442c::/46IPv6—CN
2001:250:4430::/44IPv6—CN
2001:250:4440::/42IPv6—CN
2001:250:4480::/41IPv6—CN
2001:250:4500::/40IPv6—CN
2001:250:4600::/39IPv6—CN
2001:250:4824::/48IPv6—CN
2001:250:4844::/48IPv6—CN
2001:250:484a::/47IPv6—CN
2001:250:485b::/48IPv6—CN
2001:250:485f::/48IPv6—CN
2001:250:4860::/43IPv6—CN
2001:250:4880::/41IPv6—CN
2001:250:4900::/40IPv6—CN
2001:250:4a00::/39IPv6—CN
2001:250:4c00::/38IPv6—CN
2001:250:5000::/47IPv6—CN
2001:250:5011::/48IPv6—CN
2001:250:5054::/48IPv6—CN
2001:250:506e::/47IPv6—CN
2001:250:5073::/48IPv6—CN
2001:250:507b::/48IPv6—CN
2001:250:5081::/48IPv6—CN
2001:250:5082::/48IPv6—CN
2001:250:5084::/46IPv6—CN
2001:250:5088::/45IPv6—CN
2001:250:5090::/44IPv6—CN
2001:250:50a0::/43IPv6—CN
2001:250:50c0::/42IPv6—CN
2001:250:5100::/40IPv6—CN
2001:250:5200::/39IPv6—CN
2001:250:5400::/38IPv6—CN
2001:250:5800::/46IPv6—CN
2001:250:5804::/48IPv6—CN
2001:250:5807::/48IPv6—CN
2001:250:5808::/45IPv6—CN
2001:250:5810::/46IPv6—CN
2001:250:5814::/47IPv6—CN
2001:250:5817::/48IPv6—CN
2001:250:5818::/45IPv6—CN
2001:250:5824::/46IPv6—CN
2001:250:5829::/48IPv6—CN
2001:250:582b::/48IPv6—CN
2001:250:582c::/46IPv6—CN
2001:250:5830::/48IPv6—CN
2001:250:5832::/48IPv6—CN
2001:250:5834::/46IPv6—CN
2001:250:5838::/45IPv6—CN
2001:250:5840::/46IPv6—CN
2001:250:5844::/48IPv6—CN
2001:250:584b::/48IPv6—CN
2001:250:584c::/46IPv6—CN
2001:250:5850::/44IPv6—CN
2001:250:5860::/47IPv6—CN
2001:250:5863::/48IPv6—CN
2001:250:5865::/48IPv6—CN
2001:250:5867::/48IPv6—CN
2001:250:5868::/45IPv6—CN
2001:250:5870::/46IPv6—CN
2001:250:5874::/48IPv6—CN
2001:250:5876::/47IPv6—CN
2001:250:5878::/46IPv6—CN
2001:250:587e::/47IPv6—CN
2001:250:5880::/44IPv6—CN
2001:250:5890::/46IPv6—CN
2001:250:5894::/48IPv6—CN
2001:250:5896::/47IPv6—CN
2001:250:5898::/45IPv6—CN
2001:250:58a0::/43IPv6—CN
2001:250:58c0::/42IPv6—CN
2001:250:5900::/40IPv6—CN
2001:250:5a00::/39IPv6—CN
2001:250:5c00::/38IPv6—CN
2001:250:6000::/36IPv6—CN
2001:250:7003::/48IPv6—CN
2001:250:7007::/48IPv6—CN
2001:250:700f::/48IPv6—CN
2001:250:7010::/48IPv6—CN
2001:250:7018::/47IPv6—CN
2001:250:701f::/48IPv6—CN
2001:250:7022::/48IPv6—CN
2001:250:7025::/48IPv6—CN
2001:250:7026::/48IPv6—CN
2001:250:7031::/48IPv6—CN
2001:250:7033::/48IPv6—CN
2001:250:7038::/47IPv6—CN
2001:250:703b::/48IPv6—CN
2001:250:703f::/48IPv6—CN
2001:250:7041::/48IPv6—CN
2001:250:7042::/47IPv6—CN
2001:250:7044::/46IPv6—CN
2001:250:7048::/45IPv6—CN
2001:250:7050::/44IPv6—CN
2001:250:7060::/43IPv6—CN
2001:250:7080::/41IPv6—CN
2001:250:7100::/40IPv6—CN
2001:250:7200::/39IPv6—CN
2001:250:7400::/48IPv6—CN
2001:250:740f::/48IPv6—CN
2001:250:7431::/48IPv6—CN
2001:250:7432::/47IPv6—CN
2001:250:7434::/46IPv6—CN
2001:250:7438::/45IPv6—CN
2001:250:7440::/42IPv6—CN
2001:250:7480::/41IPv6—CN
2001:250:7500::/40IPv6—CN
2001:250:7600::/39IPv6—CN
2001:250:7800::/48IPv6—CN
2001:250:7816::/48IPv6—CN
2001:250:782b::/48IPv6—CN
2001:250:782d::/48IPv6—CN
2001:250:7831::/48IPv6—CN
2001:250:7832::/47IPv6—CN
2001:250:7834::/46IPv6—CN
2001:250:7838::/45IPv6—CN
2001:250:7840::/42IPv6—CN
2001:250:7880::/41IPv6—CN
2001:250:7900::/40IPv6—CN
2001:250:7a00::/39IPv6—CN
2001:250:7c00::/38IPv6—CN
2001:250:8000::/35IPv6—CN
2001:250:a000::/37IPv6—CN
2001:250:a800::/45IPv6—CN
2001:250:a808::/48IPv6—CN
2001:250:a80a::/47IPv6—CN
2001:250:a80c::/46IPv6—CN
2001:250:a810::/44IPv6—CN
2001:250:a820::/43IPv6—CN
2001:250:a840::/42IPv6—CN
2001:250:a880::/41IPv6—CN
2001:250:a900::/40IPv6—CN
2001:250:aa00::/39IPv6—CN
2001:250:ac00::/38IPv6—CN
2001:250:b000::/36IPv6—CN
2001:250:c000::/46IPv6—CN
2001:250:c004::/47IPv6—CN
2001:250:c007::/48IPv6—CN
2001:250:c008::/45IPv6—CN
2001:250:c010::/44IPv6—CN
2001:250:c020::/43IPv6—CN
2001:250:c040::/42IPv6—CN
2001:250:c080::/41IPv6—CN
2001:250:c100::/40IPv6—CN
2001:250:c200::/39IPv6—CN
2001:250:c400::/38IPv6—CN
2001:250:c800::/37IPv6—CN
2001:250:d000::/36IPv6—CN
2001:250:e000::/36IPv6—CN
2001:250:f000::/37IPv6—CN
2001:250:f800::/38IPv6—CN
2001:250:fc00::/39IPv6—CN
2001:250:fe00::/48IPv6—CN
2001:250:fe02::/47IPv6—CN
2001:250:fe04::/46IPv6—CN
2001:250:fe08::/45IPv6—CN
2001:250:fe10::/44IPv6—CN
2001:250:fe20::/43IPv6—CN
2001:250:fe40::/42IPv6—CN
2001:250:fe80::/41IPv6—CN
2001:250:ff00::/40IPv6—CN
2001:251::/32IPv6—CN
2001:da8::/41IPv6—CN

Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.