asn.dev

Address space

AS38248 VTC-AS-VN VTC-

Unclassified APNIC

IPv4 prefixes 14 14.34K addresses
IPv6 prefixes 1
Most common size /21 IPv4
Flagged 8

Shape

IPv4 prefix sizes

All IPv4
/19
/19: 1
1
/21
/21: 2
2
/22
/22: 1
1
/23
/23: 1
1
/24
/24: 1
1
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/29
/29: 1
1
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 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: 1
1

Geography

Where the space lands

CountryNamePrefixes
VNViet Nam15

Review

Flagged prefixes

8 of 15
PrefixFamilyAddressesCountryFlags
117.103.224.0/28IPv416VNToo specific
117.103.224.16/31IPv42VNToo specific
117.103.224.19/32IPv41VNToo specific
117.103.224.20/30IPv44VNToo specific
117.103.224.24/29IPv48VNToo specific
117.103.224.32/27IPv432VNToo specific
117.103.224.64/26IPv464VNToo specific
117.103.224.128/25IPv4128VNToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.