asn.dev

Address space

AS45896 MOBIFONEGLOBAL-AS-VN Mobifone Global JSC

Unclassified APNIC

IPv4 prefixes 16 10.23K addresses
IPv6 prefixes 2
Most common size /22 IPv4
Flagged 6

Shape

IPv4 prefix sizes

All IPv4
/21
/21: 1
1
/22
/22: 7
7
/23
/23: 1
1
/24
/24: 1
1
/25
/25: 1
1
/26
/26: 1
1
/27
/27: 1
1
/28
/28: 1
1
/30
/30: 2
2

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
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
VNViet Nam18

Review

Flagged prefixes

6 of 18
PrefixFamilyAddressesCountryFlags
103.37.29.0/28IPv416VNToo specific
103.37.29.16/30IPv44VNToo specific
103.37.29.28/30IPv44VNToo specific
103.37.29.32/27IPv432VNToo specific
103.37.29.64/26IPv464VNToo specific
103.37.29.128/25IPv4128VNToo specific

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