asn.dev

Address space

AS18126 CTCX Chubu Telecommunications Company, Inc.

Residential APNIC Cable/DSL/ISP

IPv4 prefixes 45 1.51M addresses
IPv6 prefixes 2
Most common size /20 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/14
/14: 2
2
/15
/15: 2
2
/16
/16: 8
8
/17
/17: 3
3
/18
/18: 1
1
/19
/19: 2
2
/20
/20: 11
11
/21
/21: 4
4
/22
/22: 9
9
/23
/23: 2
2
/24
/24: 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
/32
/32: 2
2

Geography

Where the space lands

CountryNamePrefixes
JPJapan47