asn.dev

Address space

AS55423 JASTEL-NETWORK-TH-IDC-AP JasTel Network

Unclassified APNIC

IPv4 prefixes 74 44.03K addresses
IPv6 prefixes 52
Most common size /24 IPv4
Flagged 48

Shape

IPv4 prefix sizes

All IPv4
/20
/20: 1
1
/21
/21: 3
3
/22
/22: 12
12
/23
/23: 26
26
/24
/24: 32
32

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
/47
/47: 1
1
/48
/48: 3
3
/49
/49: 1
1
/50
/50: 1
1
/52
/52: 2
2
/53
/53: 2
2
/54
/54: 2
2
/55
/55: 1
1
/56
/56: 3
3
/57
/57: 3
3
/58
/58: 3
3
/59
/59: 3
3
/60
/60: 3
3
/61
/61: 3
3
/62
/62: 5
5
/63
/63: 2
2
/64
/64: 14
14

Geography

Where the space lands

CountryNamePrefixes
THThailand126

Review

Flagged prefixes

48 of 126
PrefixFamilyAddressesCountryFlags
2404:4a00:1::/64IPv6/64THToo specific
2404:4a00:2::/64IPv6/64THToo specific
2404:4a00:3::/64IPv6/64THToo specific
2404:4a00:4::/64IPv6/64THToo specific
2404:4a00:5542::/62IPv6/62THToo specific
2404:4a00:5542:4::/62IPv6/62THToo specific
2404:4a00:5542:8::/61IPv6/61THToo specific
2404:4a00:5542:10::/60IPv6/60THToo specific
2404:4a00:5542:20::/59IPv6/59THToo specific
2404:4a00:5542:40::/58IPv6/58THToo specific
2404:4a00:5542:80::/57IPv6/57THToo specific
2404:4a00:5542:100::/56IPv6/56THToo specific
2404:4a00:5542:200::/56IPv6/56THToo specific
2404:4a00:5542:300::/57IPv6/57THToo specific
2404:4a00:5542:380::/59IPv6/59THToo specific
2404:4a00:5542:3a0::/63IPv6/63THToo specific
2404:4a00:5542:3a2::/63IPv6/63THToo specific
2404:4a00:5542:3a4::/62IPv6/62THToo specific
2404:4a00:5542:3a8::/61IPv6/61THToo specific
2404:4a00:5542:3b0::/60IPv6/60THToo specific
2404:4a00:5542:3c0::/58IPv6/58THToo specific
2404:4a00:5542:400::/54IPv6/54THToo specific
2404:4a00:5542:800::/53IPv6/53THToo specific
2404:4a00:5542:1000::/52IPv6/52THToo specific
2404:4a00:5542:2000::/52IPv6/52THToo specific

The first 25. Every flag also shows in the IPv4 and IPv6 lists.

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