asn.dev

Address space

AS4134 CHINANET-BACKBONE No.31,Jin-rong Street

IPv4 prefixes 9,506 99.02M addresses
IPv6 prefixes 6,734
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/12
/12: 1
1
/13
/13: 9
9
/14
/14: 50
50
/15
/15: 150
150
/16
/16: 329
329
/17
/17: 415
415
/18
/18: 608
608
/19
/19: 804
804
/20
/20: 931
931
/21
/21: 1,116
1,116
/22
/22: 1,250
1,250
/23
/23: 1,622
1,622
/24
/24: 2,221
2,221

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
/23
/23: 1
1
/24
/24: 1
1
/25
/25: 5
5
/26
/26: 9
9
/27
/27: 14
14
/28
/28: 22
22
/29
/29: 49
49
/30
/30: 61
61
/31
/31: 87
87
/32
/32: 123
123
/33
/33: 214
214
/34
/34: 289
289
/35
/35: 303
303
/36
/36: 364
364
/37
/37: 403
403
/38
/38: 383
383
/39
/39: 412
412
/40
/40: 596
596
/41
/41: 583
583
/42
/42: 511
511
/43
/43: 377
377
/44
/44: 459
459
/45
/45: 510
510
/46
/46: 271
271
/47
/47: 307
307
/48
/48: 380
380

Geography

Where the space lands

CountryNamePrefixes
CNChina16,240

Inventory

All prefixes

showing 400 of 16,240
PrefixFamilyAddressesCountryFlags
1.48.0.0/18IPv416,384CN
1.48.128.0/18IPv416,384CN
1.48.224.0/19IPv48,192CN
1.49.0.0/18IPv416,384CN
1.49.64.0/19IPv48,192CN
1.49.128.0/19IPv48,192CN
1.49.192.0/18IPv416,384CN
1.50.0.0/16IPv465,536CN
1.68.0.0/15IPv4131,072CN
1.70.0.0/16IPv465,536CN
1.71.32.0/19IPv48,192CN
1.71.96.0/22IPv41,024CN
1.71.100.0/23IPv4512CN
1.71.102.0/24IPv4256CN
1.71.104.0/21IPv42,048CN
1.71.112.0/22IPv41,024CN
1.71.116.0/23IPv4512CN
1.71.118.0/24IPv4256CN
1.71.120.0/21IPv42,048CN
1.71.128.0/20IPv44,096CN
1.71.168.0/21IPv42,048CN
1.71.176.0/21IPv42,048CN
1.71.184.0/22IPv41,024CN
1.71.188.0/24IPv4256CN
1.71.189.0/24IPv4256CN
1.71.190.0/23IPv4512CN
1.71.192.0/18IPv416,384CN
1.80.0.0/16IPv465,536CN
1.81.8.0/21IPv42,048CN
1.81.16.0/20IPv44,096CN
1.81.32.0/19IPv48,192CN
1.81.64.0/20IPv44,096CN
1.81.80.0/21IPv42,048CN
1.81.88.0/22IPv41,024CN
1.81.94.0/23IPv4512CN
1.81.96.0/19IPv48,192CN
1.81.128.0/17IPv432,768CN
1.82.0.0/17IPv432,768CN
1.82.128.0/18IPv416,384CN
1.82.192.0/20IPv44,096CN
1.82.224.0/21IPv42,048CN
1.83.0.0/16IPv465,536CN
1.84.0.0/16IPv465,536CN
1.85.0.0/21IPv42,048CN
1.85.8.0/23IPv4512CN
1.85.10.0/23IPv4512CN
1.85.12.0/22IPv41,024CN
1.85.16.0/20IPv44,096CN
1.85.32.0/19IPv48,192CN
1.85.64.0/18IPv416,384CN
1.85.128.0/17IPv432,768CN
1.86.0.0/15IPv4131,072CN
1.180.0.0/15IPv4131,072CN
1.182.0.0/16IPv465,536CN
1.183.0.0/17IPv432,768CN
1.183.128.0/18IPv416,384CN
1.183.192.0/20IPv44,096CN
1.183.224.0/19IPv48,192CN
1.192.0.0/17IPv432,768CN
1.192.128.0/19IPv48,192CN
1.192.160.0/20IPv44,096CN
1.192.176.0/21IPv42,048CN
1.192.184.0/22IPv41,024CN
1.192.192.0/21IPv42,048CN
1.192.204.0/22IPv41,024CN
1.192.208.0/20IPv44,096CN
1.192.224.0/19IPv48,192CN
1.193.0.0/17IPv432,768CN
1.193.128.0/19IPv48,192CN
1.193.160.0/20IPv44,096CN
1.193.176.0/21IPv42,048CN
1.193.184.0/22IPv41,024CN
1.193.189.0/24IPv4256CN
1.193.190.0/23IPv4512CN
1.193.192.0/20IPv44,096CN
1.193.208.0/22IPv41,024CN
1.193.213.0/24IPv4256CN
1.193.214.0/23IPv4512CN
1.193.216.0/23IPv4512CN
1.193.218.0/24IPv4256CN
1.193.220.0/22IPv41,024CN
1.193.224.0/19IPv48,192CN
1.194.0.0/20IPv44,096CN
1.194.16.0/21IPv42,048CN
1.194.32.0/19IPv48,192CN
1.194.64.0/19IPv48,192CN
1.194.96.0/20IPv44,096CN
1.194.112.0/23IPv4512CN
1.194.116.0/22IPv41,024CN
1.194.120.0/21IPv42,048CN
1.194.128.0/19IPv48,192CN
1.194.176.0/20IPv44,096CN
1.194.212.0/22IPv41,024CN
1.194.224.0/19IPv48,192CN
1.195.0.0/17IPv432,768CN
1.195.128.0/18IPv416,384CN
1.195.192.0/21IPv42,048CN
1.195.224.0/19IPv48,192CN
1.196.0.0/14IPv4262,144CN
1.204.0.0/15IPv4131,072CN
1.206.0.0/17IPv432,768CN
1.206.192.0/18IPv416,384CN
1.207.0.0/16IPv465,536CN
14.16.0.0/16IPv465,536CN
14.17.0.0/18IPv416,384CN
14.17.96.0/19IPv48,192CN
14.17.128.0/17IPv432,768CN
14.18.0.0/19IPv48,192CN
14.18.128.0/21IPv42,048CN
14.18.140.0/22IPv41,024CN
14.18.144.0/20IPv44,096CN
14.18.160.0/19IPv48,192CN
14.18.192.0/18IPv416,384CN
14.19.0.0/16IPv465,536CN
14.20.0.0/16IPv465,536CN
14.21.0.0/20IPv44,096CN
14.21.16.0/21IPv42,048CN
14.21.28.0/22IPv41,024CN
14.21.32.0/22IPv41,024CN
14.21.40.0/21IPv42,048CN
14.21.56.0/21IPv42,048CN
14.21.64.0/20IPv44,096CN
14.21.84.0/22IPv41,024CN
14.21.88.0/21IPv42,048CN
14.21.96.0/21IPv42,048CN
14.21.108.0/23IPv4512CN
14.21.110.0/24IPv4256CN
14.21.114.0/23IPv4512CN
14.21.116.0/22IPv41,024CN
14.21.120.0/21IPv42,048CN
14.21.128.0/17IPv432,768CN
14.22.0.0/21IPv42,048CN
14.22.8.0/22IPv41,024CN
14.22.16.0/22IPv41,024CN
14.22.24.0/21IPv42,048CN
14.22.32.0/22IPv41,024CN
14.22.48.0/24IPv4256CN
14.22.108.0/24IPv4256CN
14.22.128.0/17IPv432,768CN
14.23.0.0/16IPv465,536CN
14.24.0.0/15IPv4131,072CN
14.26.128.0/17IPv432,768CN
14.27.0.0/16IPv465,536CN
14.28.0.0/16IPv465,536CN
14.29.6.0/23IPv4512CN
14.29.8.0/24IPv4256CN
14.29.32.0/19IPv48,192CN
14.29.64.0/19IPv48,192CN
14.29.96.0/22IPv41,024CN
14.29.100.0/23IPv4512CN
14.29.103.0/24IPv4256CN
14.29.104.0/21IPv42,048CN
14.29.112.0/20IPv44,096CN
14.29.128.0/17IPv432,768CN
14.30.0.0/16IPv465,536CN
14.31.0.0/21IPv42,048CN
14.31.8.0/23IPv4512CN
14.31.11.0/24IPv4256CN
14.31.12.0/23IPv4512CN
14.31.32.0/19IPv48,192CN
14.31.64.0/18IPv416,384CN
14.31.128.0/17IPv432,768CN
14.104.0.0/15IPv4131,072CN
14.106.0.0/16IPv465,536CN
14.107.0.0/17IPv432,768CN
14.107.128.0/19IPv48,192CN
14.107.164.0/22IPv41,024CN
14.107.168.0/22IPv41,024CN
14.107.184.0/21IPv42,048CN
14.107.192.0/18IPv416,384CN
14.108.0.0/15IPv4131,072CN
14.110.0.0/18IPv416,384CN
14.110.64.0/20IPv44,096CN
14.110.96.0/20IPv44,096CN
14.110.112.0/21IPv42,048CN
14.110.128.0/17IPv432,768CN
14.111.0.0/16IPv465,536CN
14.112.0.0/14IPv4262,144CN
14.116.0.0/17IPv432,768CN
14.116.128.0/18IPv416,384CN
14.116.224.0/20IPv44,096CN
14.116.240.0/21IPv42,048CN
14.116.248.0/23IPv4512CN
14.118.0.0/17IPv432,768CN
14.118.128.0/21IPv42,048CN
14.118.144.0/20IPv44,096CN
14.118.160.0/19IPv48,192CN
14.118.192.0/18IPv416,384CN
14.119.0.0/16IPv465,536CN
14.120.0.0/17IPv432,768CN
14.120.128.0/19IPv48,192CN
14.120.192.0/18IPv416,384CN
14.121.0.0/21IPv42,048CN
14.121.8.0/23IPv4512CN
14.121.11.0/24IPv4256CN
14.121.12.0/24IPv4256CN
14.121.14.0/24IPv4256CN
14.121.16.0/22IPv41,024CN
14.121.20.0/23IPv4512CN
14.121.22.0/24IPv4256CN
14.121.25.0/24IPv4256CN
14.121.26.0/23IPv4512CN
14.121.28.0/22IPv41,024CN
14.121.32.0/20IPv44,096CN
14.121.48.0/22IPv41,024CN
14.121.52.0/23IPv4512CN
14.121.55.0/24IPv4256CN
14.121.56.0/21IPv42,048CN
14.121.64.0/18IPv416,384CN
14.121.128.0/17IPv432,768CN
14.122.0.0/15IPv4131,072CN
14.124.0.0/18IPv416,384CN
14.124.96.0/19IPv48,192CN
14.124.128.0/18IPv416,384CN
14.124.224.0/19IPv48,192CN
14.125.0.0/16IPv465,536CN
14.126.0.0/15IPv4131,072CN
14.134.0.0/15IPv4131,072CN
14.144.128.0/17IPv432,768CN
14.145.0.0/16IPv465,536CN
14.146.0.0/17IPv432,768CN
14.146.128.0/18IPv416,384CN
14.146.192.0/19IPv48,192CN
14.146.232.0/21IPv42,048CN
14.146.240.0/20IPv44,096CN
14.147.0.0/17IPv432,768CN
14.147.128.0/18IPv416,384CN
14.147.192.0/20IPv44,096CN
14.147.208.0/21IPv42,048CN
14.147.217.0/24IPv4256CN
14.147.218.0/23IPv4512CN
14.147.220.0/22IPv41,024CN
14.147.224.0/19IPv48,192CN
14.148.0.0/19IPv48,192CN
14.148.72.0/21IPv42,048CN
14.148.88.0/21IPv42,048CN
14.148.96.0/19IPv48,192CN
14.148.128.0/20IPv44,096CN
14.148.168.0/21IPv42,048CN
14.148.176.0/20IPv44,096CN
14.148.192.0/18IPv416,384CN
14.149.0.0/18IPv416,384CN
14.149.72.0/21IPv42,048CN
14.149.80.0/20IPv44,096CN
14.149.96.0/19IPv48,192CN
14.149.192.0/18IPv416,384CN
14.150.0.0/15IPv4131,072CN
14.152.0.0/18IPv416,384CN
14.152.64.0/20IPv44,096CN
14.152.96.0/19IPv48,192CN
14.152.128.0/17IPv432,768CN
14.153.0.0/16IPv465,536CN
14.154.0.0/15IPv4131,072CN
14.156.0.0/14IPv4262,144CN
14.208.0.0/14IPv4262,144CN
14.212.0.0/15IPv4131,072CN
14.214.0.0/16IPv465,536CN
14.215.0.0/19IPv48,192CN
14.215.32.0/21IPv42,048CN
14.215.40.0/22IPv41,024CN
14.215.52.0/22IPv41,024CN
14.215.56.0/21IPv42,048CN
14.215.64.0/18IPv416,384CN
14.215.128.0/19IPv48,192CN
14.215.160.0/23IPv4512CN
14.215.165.0/24IPv4256CN
14.215.166.0/23IPv4512CN
14.215.168.0/22IPv41,024CN
14.215.172.0/24IPv4256CN
14.215.175.0/24IPv4256CN
14.215.176.0/20IPv44,096CN
14.215.192.0/20IPv44,096CN
14.215.212.0/22IPv41,024CN
14.215.216.0/21IPv42,048CN
14.215.228.0/23IPv4512CN
14.215.232.0/21IPv42,048CN
14.215.240.0/20IPv44,096CN
14.216.0.0/16IPv465,536CN
14.217.128.0/17IPv432,768CN
14.218.0.0/15IPv4131,072CN
14.220.0.0/14IPv4262,144CN
27.16.0.0/17IPv432,768CN
27.20.0.0/16IPv465,536CN
27.21.0.0/17IPv432,768CN
27.21.128.0/18IPv416,384CN
27.21.192.0/19IPv48,192CN
27.22.0.0/19IPv48,192CN
27.22.32.0/20IPv44,096CN
27.22.48.0/22IPv41,024CN
27.22.60.0/22IPv41,024CN
27.22.64.0/18IPv416,384CN
27.22.128.0/17IPv432,768CN
27.23.0.0/16IPv465,536CN
27.24.0.0/16IPv465,536CN
27.25.0.0/17IPv432,768CN
27.25.129.0/24IPv4256CN
27.25.131.0/24IPv4256CN
27.25.133.0/24IPv4256CN
27.25.134.0/23IPv4512CN
27.25.136.0/21IPv42,048CN
27.25.144.0/22IPv41,024CN
27.25.149.0/24IPv4256CN
27.25.150.0/24IPv4256CN
27.25.153.0/24IPv4256CN
27.25.154.0/24IPv4256CN
27.25.156.0/22IPv41,024CN
27.25.160.0/19IPv48,192CN
27.25.192.0/18IPv416,384CN
27.26.0.0/15IPv4131,072CN
27.28.0.0/15IPv4131,072CN
27.30.0.0/18IPv416,384CN
27.30.64.0/21IPv42,048CN
27.30.72.0/22IPv41,024CN
27.30.78.0/23IPv4512CN
27.30.80.0/20IPv44,096CN
27.30.96.0/19IPv48,192CN
27.30.128.0/17IPv432,768CN
27.31.0.0/16IPv465,536CN
27.128.0.0/17IPv432,768CN
27.128.128.0/18IPv416,384CN
27.128.192.0/20IPv44,096CN
27.128.224.0/19IPv48,192CN
27.129.0.0/19IPv48,192CN
27.129.32.0/20IPv44,096CN
27.129.48.0/22IPv41,024CN
27.129.52.0/23IPv4512CN
27.129.54.0/24IPv4256CN
27.129.56.0/21IPv42,048CN
27.129.64.0/18IPv416,384CN
27.129.128.0/17IPv432,768CN
27.148.0.0/20IPv44,096CN
27.148.16.0/22IPv41,024CN
27.148.20.0/23IPv4512CN
27.148.24.0/21IPv42,048CN
27.148.32.0/19IPv48,192CN
27.148.64.0/18IPv416,384CN
27.148.160.0/19IPv48,192CN
27.148.192.0/22IPv41,024CN
27.148.203.0/24IPv4256CN
27.148.204.0/24IPv4256CN
27.148.216.0/21IPv42,048CN
27.148.224.0/20IPv44,096CN
27.148.240.0/21IPv42,048CN
27.149.0.0/16IPv465,536CN
27.150.0.0/20IPv44,096CN
27.150.32.0/19IPv48,192CN
27.150.64.0/18IPv416,384CN
27.150.138.0/23IPv4512CN
27.150.140.0/22IPv41,024CN
27.150.144.0/20IPv44,096CN
27.150.160.0/21IPv42,048CN
27.150.176.0/22IPv41,024CN
27.150.191.0/24IPv4256CN
27.150.192.0/18IPv416,384CN
27.151.32.0/19IPv48,192CN
27.151.64.0/18IPv416,384CN
27.151.128.0/17IPv432,768CN
27.152.0.0/20IPv44,096CN
27.152.16.0/21IPv42,048CN
27.152.24.0/22IPv41,024CN
27.152.30.0/23IPv4512CN
27.152.32.0/20IPv44,096CN
27.152.48.0/21IPv42,048CN
27.152.56.0/22IPv41,024CN
27.152.61.0/24IPv4256CN
27.152.62.0/23IPv4512CN
27.152.64.0/18IPv416,384CN
27.152.128.0/19IPv48,192CN
27.152.160.0/20IPv44,096CN
27.152.176.0/22IPv41,024CN
27.152.192.0/18IPv416,384CN
27.153.0.0/16IPv465,536CN
27.154.0.0/16IPv465,536CN
27.155.0.0/18IPv416,384CN
27.155.128.0/17IPv432,768CN
27.156.16.0/21IPv42,048CN
27.156.24.0/23IPv4512CN
27.156.28.0/22IPv41,024CN
27.156.32.0/21IPv42,048CN
27.156.40.0/22IPv41,024CN
27.156.46.0/23IPv4512CN
27.156.48.0/20IPv44,096CN
27.156.64.0/18IPv416,384CN
27.156.128.0/17IPv432,768CN
27.157.0.0/16IPv465,536CN
27.158.0.0/16IPv465,536CN
27.159.0.0/18IPv416,384CN
27.159.64.0/19IPv48,192CN
27.159.104.0/21IPv42,048CN
27.159.112.0/21IPv42,048CN
27.159.120.0/23IPv4512CN
27.159.128.0/17IPv432,768CN
27.184.0.0/16IPv465,536CN
27.185.0.0/22IPv41,024CN
27.185.8.0/21IPv42,048CN
27.185.16.0/20IPv44,096CN
27.185.32.0/19IPv48,192CN
27.185.64.0/18IPv416,384CN
27.185.128.0/18IPv416,384CN
27.186.0.0/15IPv4131,072CN

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