Address space

AS17897 CHINATELECOM-HLJ-AS-AP asn for Heilongjiang Provincial Net of CT

IPv4 prefixes 29 151K addresses

IPv6 prefixes 9

Most common size /24 IPv4

Flagged 0

Shape

Prefix sizes

IPv4

/16

/17

/18

/19

/20

/21

/22

/23

/24

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

/40

/48

Geography

Where the space lands

Country	Name	Prefixes
CN	China	38

Inventory

All prefixes

38 total

Prefix	Family	Addresses	Country
112.100.0.0/18	IPv4	16,384	CN
112.100.64.0/20	IPv4	4,096	CN
112.100.80.0/21	IPv4	2,048	CN
112.100.88.0/22	IPv4	1,024	CN
112.100.92.0/24	IPv4	256	CN
112.100.93.0/24	IPv4	256	CN
112.100.94.0/23	IPv4	512	CN
112.100.96.0/22	IPv4	1,024	CN
112.100.100.0/23	IPv4	512	CN
112.100.102.0/23	IPv4	512	CN
112.100.104.0/21	IPv4	2,048	CN
112.100.112.0/20	IPv4	4,096	CN
112.100.128.0/17	IPv4	32,768	CN
112.101.0.0/16	IPv4	65,536	CN
123.167.144.0/21	IPv4	2,048	CN
123.167.152.0/22	IPv4	1,024	CN
123.167.160.0/19	IPv4	8,192	CN
219.147.71.0/24	IPv4	256	CN
219.147.72.0/24	IPv4	256	CN
219.147.128.0/22	IPv4	1,024	CN
219.147.132.0/23	IPv4	512	CN
219.147.134.0/23	IPv4	512	CN
219.147.136.0/22	IPv4	1,024	CN
219.147.143.0/24	IPv4	256	CN
219.147.144.0/21	IPv4	2,048	CN
219.147.155.0/24	IPv4	256	CN
219.147.156.0/24	IPv4	256	CN
219.147.158.0/23	IPv4	512	CN
219.147.248.0/21	IPv4	2,048	CN
240e:1::/37	IPv6	—	CN
240e:41::/37	IPv6	—	CN
240e:41:4000::/37	IPv6	—	CN
240e:981:1109::/48	IPv6	—	CN
240e:981:110a::/48	IPv6	—	CN
240e:981:1500::/40	IPv6	—	CN
240e:981:1600::/40	IPv6	—	CN
240e:983:103::/48	IPv6	—	CN
240e:983:104::/48	IPv6	—	CN