asn.dev

Address space

AS24165 UBBNET-AS-TW UNION BROADBAND NETWORK

IPv4 prefixes 36 64.26K addresses
IPv6 prefixes 3
Most common size /21 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 1
1
/20
/20: 2
2
/21
/21: 16
16
/22
/22: 14
14
/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
/36
/36: 1
1
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
TWTaiwan, Province of China39

Inventory

All prefixes

39 total
PrefixFamilyAddressesCountryFlags
45.64.34.0/24IPv4256TW
49.158.104.0/21IPv42,048TW
49.158.128.0/21IPv42,048TW
49.158.220.0/22IPv41,024TW
49.158.244.0/22IPv41,024TW
49.159.72.0/21IPv42,048TW
49.159.96.0/21IPv42,048TW
49.159.112.0/20IPv44,096TW
49.159.208.0/21IPv42,048TW
49.159.248.0/22IPv41,024TW
61.58.112.0/21IPv42,048TW
61.58.124.0/22IPv41,024TW
61.61.213.0/24IPv4256TW
61.61.228.0/24IPv4256TW
61.64.8.0/21IPv42,048TW
61.64.16.0/21IPv42,048TW
115.165.196.0/22IPv41,024TW
115.165.200.0/21IPv42,048TW
115.165.208.0/20IPv44,096TW
115.165.232.0/22IPv41,024TW
115.165.248.0/21IPv42,048TW
122.100.96.0/21IPv42,048TW
122.254.0.0/19IPv48,192TW
122.254.32.0/22IPv41,024TW
124.6.0.0/21IPv42,048TW
124.6.12.0/22IPv41,024TW
124.6.16.0/22IPv41,024TW
180.218.40.0/21IPv42,048TW
180.218.80.0/22IPv41,024TW
180.218.88.0/22IPv41,024TW
180.218.96.0/21IPv42,048TW
180.218.104.0/22IPv41,024TW
180.218.112.0/22IPv41,024TW
180.218.120.0/22IPv41,024TW
180.218.200.0/21IPv42,048TW
203.77.40.0/21IPv42,048TW
2407:4b00:6000::/36IPv6—TW
2407:4b00:fd06::/48IPv6—TW
2407:4b00:ff06::/48IPv6—TW