asn.dev

Address space

AS131421 INTERCOM-VN Intercom Telecom., JSC

IPv4 prefixes 10 1.02K addresses
IPv6 prefixes 0
Most common size /23 IPv4
Flagged 8

Shape

Prefix sizes

IPv4
/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

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.

Geography

Where the space lands

CountryNamePrefixes
VNViet Nam10

Review

Flagged prefixes

8 of 10
PrefixFamilyAddressesCountryFlags
103.17.236.0/25IPv4128VNToo specific
103.17.236.128/26IPv464VNToo specific
103.17.236.192/27IPv432VNToo specific
103.17.236.224/28IPv416VNToo specific
103.17.236.240/29IPv48VNToo specific
103.17.236.248/30IPv44VNToo specific
103.17.236.252/31IPv42VNToo specific
103.17.236.254/32IPv41VNToo specific

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

Inventory

All prefixes

10 total
PrefixFamilyAddressesCountryFlags
103.17.236.0/25IPv4128VNToo specific
103.17.236.128/26IPv464VNToo specific
103.17.236.192/27IPv432VNToo specific
103.17.236.224/28IPv416VNToo specific
103.17.236.240/29IPv48VNToo specific
103.17.236.248/30IPv44VNToo specific
103.17.236.252/31IPv42VNToo specific
103.17.236.254/32IPv41VNToo specific
103.17.237.0/24IPv4256VN
103.17.238.0/23IPv4512VN