asn.dev

Address space

AS135918 DVS-AS-VN VIET DIGITAL TECHNOLOGY LIABILITY COMPANY

Unclassified ARIN

IPv4 prefixes 73 37.38K addresses
IPv6 prefixes 1
Most common size /23 IPv4
Flagged 8

Shape

IPv4 prefix sizes

All IPv4
/22
/22: 9
9
/23
/23: 53
53
/24
/24: 3
3
/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
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
VNViet Nam74

Review

Flagged prefixes

8 of 74
PrefixFamilyAddressesCountryFlags
157.10.199.0/25IPv4128VNToo specific
157.10.199.128/27IPv432VNToo specific
157.10.199.160/28IPv416VNToo specific
157.10.199.176/32IPv41VNToo specific
157.10.199.178/31IPv42VNToo specific
157.10.199.180/30IPv44VNToo specific
157.10.199.184/29IPv48VNToo specific
157.10.199.192/26IPv464VNToo specific

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